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    Journal of Environmental Research and Technology ( Specialist )
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  • About the journal

    The Journal of Environmental Research and Technology is a scientific journal of Academic Center for Education Culture and Research, Environmental Research Institute (ACECR). The journal was first started in 2004 with the permission of the Ministry of Culture and Islamic Guidance. Then its name was changed from 2015 and currently, it continues to operate under the title of "Environmental Research and Technology" and investigates scientific articles in various environmental fields for acceptance and publication. Also, the Environmental Research Institute has signed a cooperation memorandum with the Iranian Environmental Assessment Association in 2022. In 2023, this journal received its ISC license from Islamic World Science Citation Center


    Recent Articles

    • Open Access Article

      1 - A rview of the types of superabsorbents used in agriculture and the study of the synthesis of two types of adsorbents using recycled sources to save water resources
      Seyedeh Bahareh Aimi
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Water is one of the problems of today's world and it is necessary to conserve it. Many parts of the world are facing drought conditions. The purpose of this research is to analyze new and different techniques in modern agriculture. In this regard, it has been tried to More
      Water is one of the problems of today's world and it is necessary to conserve it. Many parts of the world are facing drought conditions. The purpose of this research is to analyze new and different techniques in modern agriculture. In this regard, it has been tried to introduce new methods using super absorbents. With the advancement of science and technology, excellent polymer materials have been developed to retain water. In this article, water retention agents based on natural and synthetic polymers have been reviewed in the last 10 years. Finally, the synthesis of two types of natural and synthetic super absorbents using recycled materials is described. Hydroxyethyl cellulose has excellent characteristics of a superabsorbent such as being biodegradable, non-toxic, high water absorption, and is one of the derivatives of cellulose, which is used in water extraction, wastewater treatment, electrolytic membranes, pharmaceuticals, and pesticides. Alternative soil has many applications in agriculture. And its use can be expanded by combining with different polymers. This combination allows the formation of new biomaterials with improved properties and various applications. As a result of preparing a water retention agent with a practical perspective in agriculture, it not only enhances water absorption and water retention in the soil, but also is resistant to salinity and has mechanical strength, re usability and economic value. is. All these features are present in the introduced super absorbents. Manuscript profile

    • Open Access Article

      2 - Spirulina, wastewater dye absorbent microalgae
      Hanieh Mirbolooki fatemeh ghanbari Hooman Heravi
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Dye is the first known pollutant in industrial wastewater, and its small amount is very undesirable in water. Most of the dyes contain complex organic molecules and are harmful to aquatic life and humans due to the presence of metals, aromatics and other compounds in th More
      Dye is the first known pollutant in industrial wastewater, and its small amount is very undesirable in water. Most of the dyes contain complex organic molecules and are harmful to aquatic life and humans due to the presence of metals, aromatics and other compounds in their structure. Removing or reducing the amount of this pollutant entering the environment is essential, and biological absorption is one of these methods. The main purpose of this research is to investigate the removal of blue reactive textile dye by spirulina microalgae. In the process of conducting the research, the effect of variables such as contact time, injected algae dose and wastewater concentration was investigated on the dye removal process and the amount of absorption of the samples was measured by a spectrophotometer and the number of experiments was determined by the design expert software via response surface method (RSM) and the analysis of variance (ANOVA) statistical tool was used to analyze the obtained results. Based on the obtained results, in the optimal conditions of the experiment, the best percentage of dye removal by spirulina microalgae was 100% in contact time of 30 minutes with a dose of 10 ml of injected algae into wastewater with a color concentration of 50 mg/L. Therefore, the use of microalgae, in addition to being an inexpensive and easy-to-operate method for color removal from colored wastewater such as textile wastewater, it will be of interest to researchers as an environmentally friendly method to remove hard degradable pollutants. Manuscript profile

    • Open Access Article

      3 - Study of Urban Development and Vegetation Changes in Mazandaran by Change Vector Analysis to Protection and Landscape Management Improvement
      niloufar islamzadeh
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Mazandaran province has always been considered by tourists due to its high tourism potential. Therefore, in order to satisfy the people and tourists, urban development has been expanded there. In addition, the relative increase in population, the development of industri More
      Mazandaran province has always been considered by tourists due to its high tourism potential. Therefore, in order to satisfy the people and tourists, urban development has been expanded there. In addition, the relative increase in population, the development of industries, the problem of solid waste and wastewater, habitat destruction, energy, transportation and agriculture demand have affected the environment of Mazandaran. On the other hand, it has a high rate of vegetation degradation. Monitoring of land use and land cover changes play an important role in urban planning and landscape management. The main purpose of this study is to investigate the changes of Mazandaran province landscape using the time series of satellite data from 1988 to 2018 in order to plan for better management to protect the landscape and control development and destruction. In this study, urban development and vegetation changes of Mazandaran province were studied using Landsat satellite images by Change Vector Analysis method in each city over a period of 30 years. The results showed that the rate of urban development and vegetation degradation change in the study period is increasing in the province. The high rate of urban development changes in terms of percentage of area is related to the cities of Babolsar, Nowshahr and Chalous, includes 21, 15 and 11% of their total area, respectively. These three cities have the highest number of tourists per year and the highest number of villas. The high rate of destruction of deforestation in terms of area related to Sari, Neka and Behshahr, in the east of the province, includes 27, 11 and 7 hectares, respectively. The change vector analysis method has the ability to satisfactorily reveal and classify all types of changes in magnitude and direction in the landscape. Manuscript profile

    • Open Access Article

      4 - Investigation of pesticide residues of Moinfos and Ethion in apple and grape and health risk assessment based on Monte Carlo Simulation
      Behzad  Mohammadi Khangahi Neda Sohili Maleki Lila  Abbaszadeh Gholamhossein Safari
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      The residues of Moinfos and Ethion pesticides in 20 samples of apples and 12 samples of grapes, in two treatments, unwashed and washed, after extraction with a convenient, fast, effective, and safe analytical method (QuEChERS) were analyzed using gas chromatography and More
      The residues of Moinfos and Ethion pesticides in 20 samples of apples and 12 samples of grapes, in two treatments, unwashed and washed, after extraction with a convenient, fast, effective, and safe analytical method (QuEChERS) were analyzed using gas chromatography and mass spectrometry (GC/MS). Also, the health risk assessment of pesticide residues in apple and grape samples was done using the hazard quotient (HQ) and based on the Monte Carlo simulation for two age groups of adults and children. The results showed that the average residue of ethion in unwashed apple and grape samples was lower than the maximum residue levels of the MRLs of Iran. While, the average residue of Moinphos in unwashed apple and grape samples was higher than the MRLs of Iran. Also, the pesticide residues of Ethion and Moinfos in 100% of the apple and grape samples were higher than the MRL of the European Union. After washing, the average residue of Moinfos and Ethion pesticides decreased by 47 and 45% in apple samples and 44 and 42% in grape samples, respectively. The results of risk assessment based on Monte Carlo simulation showed that the HQ value is less than one with 100% certainty in the age groups of children and adults. Therefore, the consumption of apples and grapes with these two pesticides does not pose any significant risk to the health of consumers. However, due to the use of numerous pesticides, continuous and accurate monitoring and strict regulations regarding the quality and safety of fruits are recommended. Manuscript profile

    • Open Access Article

      5 - Content analysis of fifth grade textbooks of the academic year 2023-2024 based on the level of attention to environmental components
      Pari Mosapour Miyandehi Mahboubeh Mansouri
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      The current research was conducted with the aim of analyzing the content of fifth grade books based on the level of attention to environmental components. Descriptive research method has been done qualitatively and quantitatively by content analysis method. The statisti More
      The current research was conducted with the aim of analyzing the content of fifth grade books based on the level of attention to environmental components. Descriptive research method has been done qualitatively and quantitatively by content analysis method. The statistical society is the books of the fifth grade of the elementary school in the academic year 2023-2024. In these books, text, questions and pictures have been analyzed. In this study, 9 environmental components including water, air, climate, soil, sound, plants, animals, waste and pollution were investigated. According to the research findings, among the environmental components, attention has been paid 779 times to water, 145 times to air, 52 times to climate, 355 times to soil, 54 times to sound, 991 times to plants, 351 times to animals, 34 times to pollution and 8 times to waste. The plant component with a frequency of 991 is in the first rank and the waste component is in the last rank with a frequency of 8. The results show that paying special attention to a number of components and ignoring the others, causes disturbances in creating students' environmental knowledge and behavior. Also, the positive and negative effects of humans on the environment are not mentioned in these books. As citizens of the society and future makers, students should be aware of the result of their behavior and others with the environment so that they can take steps reducing the undesirable behavior and increasing favorable environmental behavior. Manuscript profile

    • Open Access Article

      6 - Evaluation and prioritization of the role of infrastructures in the development of tourism axis (corridors): Case study: Khorram Abad to Isfahan axis in Lorestan province
      amir hoseinianrad hekmat amiri Maryam Beyranvandzadeh somayeh teymori
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Tourism development is a key factor for economic growth in many countries. The Khorramabad-Isfahan corridor, as one of the important tourism corridors in Iran, has significant potential including waterfalls, dams, religious and historical attractions. However, it requir More
      Tourism development is a key factor for economic growth in many countries. The Khorramabad-Isfahan corridor, as one of the important tourism corridors in Iran, has significant potential including waterfalls, dams, religious and historical attractions. However, it requires the development of tourism infrastructure to make optimal use of these capabilities. In this regard, the research aims to evaluate the role of tourism infrastructure in developing the Khorramabad-Isfahan tourism corridor. The study is an analytical research based on a survey method. Data collection is a mixed type. The theoretical information required was obtained through a documentary and library method. In the field method, due to the nature of the subject, field visits and questionnaires were used. The statistical population of the research consisted of 30 experts and specialists related to the research topic in the cities of Aligoudarz, Azna, and Doroud, who were selected based on purposive gradual sampling. AHP tool was used to analyze the data. The findings of the study showed that among the infrastructures affecting the Khorramabad-Isfahan tourism corridor, the components of physical access to tourist attractions, roadside parking, accommodation facilities (hotels, guesthouses), catering services (restaurants, teahouses, etc.), and the existence of information infrastructures are respectively more effective than other components on the development of tourism (existence of sports infrastructure, access to the internet, advertising, and attracting public and private investors) in this corridor. Manuscript profile

    • Open Access Article

      7 - Investigating land use changes and trends of hydro morphological indicators on the area and volume of the Ovan Lake's water zone based on the time series of Landsat data
      Morteza Karimi Hadi Modabberi Babak Razdar
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      One of the most important approaches to preserve and restore wetlands, is identifying environmental changes from past to present and developing an integrated management plan to control these changes and decision-making to provide solutions for improving the condition of More
      One of the most important approaches to preserve and restore wetlands, is identifying environmental changes from past to present and developing an integrated management plan to control these changes and decision-making to provide solutions for improving the condition of these valuable ecosystems. Ovan Lake, as one of the beautiful and touristic landscapes in the forbidden hunting area of Eastern Qazvin, has distinct mountain habitats and various species of wildlife. By employing remote sensing techniques for a 30-year period, the process of changes and land use in the hydrological unit leading to Ovan Lake were identified and the trend of their changes was obtained quantitatively in this research. Then, the effect of the related hydromorphological indicators on the area and volume of the lake was investigated. The results showed that, according to the Modified Normalized Difference Water Index (MNDWI), the average area of the lake water zone was 8.15 hectares over the past eight years and based on univariate regressions, its hydrological regime is mainly related to two important factors of precipitation and evaporation. According to the univariate regressions demonstrate a significant relationship between the lake's hydrological regime and precipitation/evaporation rates. The evaporation parameter also showed a logical trend during the statistical years, so that the area and volume of the water zone of the lake has decreased by the increase of evaporation from the free surface of the water. Also, the results of multivariate regression between lake water volume and rainfall and evaporation components showed that the lake volume is more correlated with rainfall. But in contrast, evaporation changes with a greater slope or rate. Manuscript profile

    • Open Access Article

      8 - Geochemical and environmental assessment of cadmium in rhizosphere soil and leaves of 11 grape varieties in greenhouse conditions
      Hoda Karimi shahryar Mahdavi Nasrin Hasanzadeh Rouhollah Karimi
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Cadmium is a toxic metal that has significantly increased its entry into the soil and food chain with the rise of environmental pollution. In this study, 11 grapevine cultivars (Vitis vinifera L.) were exposed to three levels of cadmium (0, 50, and 100 milligrams per ki More
      Cadmium is a toxic metal that has significantly increased its entry into the soil and food chain with the rise of environmental pollution. In this study, 11 grapevine cultivars (Vitis vinifera L.) were exposed to three levels of cadmium (0, 50, and 100 milligrams per kilogram) in a factorial experimental design based on a completely randomized design in the research greenhouse of Malayer University. After applying the different cadmium treatments over a period of approximately 4 months, leaf and rhizosphere soil samples of different grapevine cultivars were collected, and the concentrations of cadmium and zinc were measured using an atomic absorption spectrometer. Significant differences were observed among grapevine cultivars in terms of cadmium and zinc content in leaves and rhizosphere soil. The cultivar "Bidaneh Sefid" had the lowest cadmium content in leaves, while the highest cadmium content in rhizosphere soil was observed in the cultivar "Rish Baba." Moreover, the cultivar "Turkmen 4" had the highest zinc content in leaves, and the cultivar "Rish Baba" had the highest zinc content in rhizosphere soil. Geochemical indices including Igeo, Ipoll, CF, and BAC were evaluated in the surface soil compared to the standard shell and earthworm. Based on the results of this study, in the examination of soil indices in different grapevine cultivars and the impact of different cultivars, according to the Ipoll and Igeo (Müller) indices in the shell, in non-stressed soil without cadmium, it was considered slightly contaminated, and according to the standard shell in the earthworm, it was considered quantitatively contaminated. According to the Igeo index in the shell, in soil under 50 milligrams per kilogram of cadmium stress, it was considered slightly contaminated, and according to the Ipoll index, it was considered slightly to moderately contaminated, and according to the standard shell in the earthworm, it was considered heavily contaminated. According to the Igeo and Ipoll indices in the shell, the results of soil under 100 milligrams per kilogram of cadmium stress, were considered heavily contaminated, and according to the standard shell in the earthworm, it was considered severely contaminated. The results of these indices indicated that zinc was in the non-contaminated category. Manuscript profile

    • Open Access Article

      9 - Assessment of Spatial and temporal changes in land use using remote sensing (case study: Jayransoo rangeland, North Khorasan)
      Mohabat Nadaf Reza Omidipour Hossein  Sobhani
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Awareness of changes process, as well as the proper management of land use in natural ecosystems, is of great importance in conservation natural resources. In this regard, the use of remote sensing has become a common approach due to the provision an extent spatial and More
      Awareness of changes process, as well as the proper management of land use in natural ecosystems, is of great importance in conservation natural resources. In this regard, the use of remote sensing has become a common approach due to the provision an extent spatial and temporal information. In this research, in order to land use mapping, first, the accuracy of three common methods of pixel-based (maximum likelihood), machine learning (support vector machine) and object-oriented methods were compared. Then, the spatial and temporal changes of land use in a period of 26 years (1997-2023) assessed using six Landsat satellite imagery. The accuracy of image classification methods was evaluated using Kappa coefficient and overall accuracy indices and the change trend was evaluated using crosstab and spatial evaluation methods. Based on the results, the support vector machine method had the highest kappa coefficient (0.71 to 0.98) and overall accuracy (86 to 99%) for all studied courses. According to the results, poor rangeland had a decreasing trend, and the land uses of very poor rangeland, bare soil, and rainfed agriculture had increasing trends. The area of poor rangeland decreased from 962 hectares (44.36%) in 1997 to 489 hectares (22.57%) in 2023, while very poor rangeland increased from 1138 hectares (52.48%) to 1606 hectares (74.05 percent) in the same period. The results of this research indicated that the trend of land use changes in Jayransoo rangeland is towards the destruction of rangelands and with the passage of time this trend is intensifying. Also, based on the results obtained from this research, it is suggested to use machine learning based classification method to prepare land use mapping in future research. Manuscript profile

    • Open Access Article

      10 - Effect of Nitrogen and Manure Application on Agronomic Traits and Essential Oil content of Fennel (Foeniculum vulgare Mill.)
      Siamak  Shafeei Majid  Majidian Gholamreza  Mohsenabadi Hamed Kioumarsi
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Considering the adverse effects of chemical fertilizers on the environment, to evaluate the effect of different amounts of nitrogen fertilizer and manure on agronomic traits and essential oil content of Fennel, an experiment was conducted in Guilan Agricultural Research More
      Considering the adverse effects of chemical fertilizers on the environment, to evaluate the effect of different amounts of nitrogen fertilizer and manure on agronomic traits and essential oil content of Fennel, an experiment was conducted in Guilan Agricultural Research Center. In this experiment, pure nitrogen fertilizer was used at four levels of 0, 60, 120, and 180 kg ha-1and the manure was used at four levels of 0, 6, 12, and 18 tonsha-1. The results showed that the highest plant height, number of seeds per umbrella, and biological yield related to combined treatment were 180 kg of nitrogen with 18 tons of manure per hectare. Maximum number of umbrellas per plant, seed weight per plant, 1000 seed weight, and grain yield were obtained using 120 kg of pure nitrogen with 18 tons of manure, with the highest grain yield of 950.43 kg ha-1and minimum in control treatment was obtained in the amount of 655.4 kg ha-1. Highest percentage of essential oil and essential oil yield with the application of 60 kg of pure nitrogen with 18 tons of manure was obtained 1.946 % and 17.15 kg ha-1 respectively. According to the results, it seems that the application of manure can be an appropriate alternative to reduce the use of nitrogen fertilizer in the cultivation of fennel. The result showed that it is possible to reduce the use of chemical fertilizers by using animal manures and at the same time achieve optimal efficiency and reduce the adverse effects of chemical fertilizers. Manuscript profile

    • Open Access Article

      11 - Assessment of Water Quality parameter using RGB images in Anzali wetland
      Mohadese Tavakoli Mohammad Javad Chaeichi
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Wetlands are one of the most prominent ecosystems in the world. These vital and diverse habitats are among life-giving systems that have no alternative. However, none of the world's ecosystems have experienced human-centered injuries and damages as much as wetlands. One More
      Wetlands are one of the most prominent ecosystems in the world. These vital and diverse habitats are among life-giving systems that have no alternative. However, none of the world's ecosystems have experienced human-centered injuries and damages as much as wetlands. One of the main threats to Gilan wetlands are human factors such as urban, domestic and industrial wastewater, overfishing and converting wetland marginal lands into agricultural lands. In this study, RGB images were used to assess the water quality parameters of Anzali wetland (Beheshti Island Station) and the related data were compared to the values obtained from the TSS measurement. Based on the obtained data, the intensity of red color (R) in the macroscopic images (with the naked eye) from the wetland can be an environmental indicator to measure TSS concentration. The results of RGB analysis for red color with a correlation coefficient of 0.8513, for green color (G) with a correlation coefficient of 0.832 and for blue color (B) with a correlation coefficient of 0.663 were obtained. Finally, a correlation coefficient (R2=0/8035) between the decrease of RGB values and the increase of TSS concentration was obtained. Other parameters such as pH and Secchi Depth test were also measured in this study. Manuscript profile

    • Open Access Article

      12 - Study on biodiversity of birds in Tanodar Doroud wetland
      mehdi mehdinasab
      Issue 14 , Vol. 8 , Autumn_Winter 2023
      Tanodar wetland with an area of 1000 hectares is one of the largest wetlands in Lorestan province, which is located 10 km northwest of Dorud city. In this study to investigate the biodiversity of wintering birds in Tanodar wetland in 2017-2020 from species diversity ind More
      Tanodar wetland with an area of 1000 hectares is one of the largest wetlands in Lorestan province, which is located 10 km northwest of Dorud city. In this study to investigate the biodiversity of wintering birds in Tanodar wetland in 2017-2020 from species diversity indices (Shannon-Wiener and Simpson photo), species uniformity ( Smith-Wilson and Simpson dominance indices were used. During the study period 41 species of birds were recorded in Tanodar wetland, which belong to 10 orders, 13 families of birds in Iran. The results of biodiversity indices of birds in Tanodar wetland showed that in 2020 the highest species diversity, and 2017 had the highest uniformity of bird species. The trend of biodiversity indicators in Tanodar wetland is sinusoidal. The species of social gypsy rooster (Vanellus gregarius), which is in the highest conservation category (CR), was observed and recorded in this wetland in 2019 with 400 individuals as winter crossing migrants. In terms of bird survival in Tanodar wetland, 53.65 Percent were wintering birds, 29.26 Percent were migratory birds, and 17.09 Percent were normal (four seasons). Manuscript profile
    Most Viewed Articles

    • Open Access Article

      1 - Determination of the Relationship between Water Turbidity (NTU) and Total Suspended solids (TSS) in drip irrigation
      farhad mirzaei zeynab sojoodi
      Issue 6 , Vol. 4 , Autumn_Winter 2020
      Sand filters are composed of sand-filled containers with determined granulation and specified thicknesses of pressurized sand layers that work under pressure and they are placed in the center control system after the cyclone and before the grid or disk filter. The aim o More
      Sand filters are composed of sand-filled containers with determined granulation and specified thicknesses of pressurized sand layers that work under pressure and they are placed in the center control system after the cyclone and before the grid or disk filter. The aim of this study was to determine the relationship between water turbidity and Total suspended solids (TSS). To determine the samples turbidity, they were tested using a spectrophotometer and the percentage of light passing was obtained through each sample separately. The test of determining total suspended solids was also performed. The results of this experiment showed that there is a quadratic equation between the percentage of light passing and total suspended solids, which is presented as the main equation from figure 3, that is more correlated with the data. As can be seen, at 450 nm, there is a higher correlation between the turbidity and the light transmittance and less error. Manuscript profile

    • Open Access Article

      2 - Assessment and Environmental Impact Analysis of the Urban Streets using Multi-Criteria Decision Making Model (Case Study: 58-meter street of Arak)
      maryam hosseinkhani amir ansari amir Hedayati Agmashhadi
      Issue 6 , Vol. 4 , Autumn_Winter 2020
      The purpose of this research is assessing and planning the urban streets of Arak city. In this research, environmental impacts were assessed by using these three methods: Multi-criteria like rapid matrix, ANP and fuzzy TOPSIS that both of them are decision-making method More
      The purpose of this research is assessing and planning the urban streets of Arak city. In this research, environmental impacts were assessed by using these three methods: Multi-criteria like rapid matrix, ANP and fuzzy TOPSIS that both of them are decision-making methods. The process that has been followed in this study includes, determining the indicators, (using library studies), specifying geographic area, introducing the options, studying the environmental basic conditions, indicating and predicting and impacts, assessing the impacts using the three mentioned methods and providing the report. In the following, the status of the environmental factors was investigated. Then, the most important factors that might be affected by 58-meter street construction were identified using checklist, and were selected as the criteria for impact assessment. Then environmental impact assessment was separately fulfilled by using three methods like rapid assessment (matrix), fuzzy TOPSIS and ANP. Due to the the more negative impacts relatively to the positive impacts in the rapid matrix method, the project was rejected. In both fuzzy TOPSIS and ANP methods the non-execution option has the most weight and preference. But among these methods, the ANP method is introduced as a suitable method for environment impacts assessment in different projects because of its ability to create a network with interaction between criteria and options at different levels and directions. Manuscript profile

    • Open Access Article

      3 - Evaluation of natural adsorbents in water and wastewater treatment
      Mohadeseh Tavakoli
      Issue 7 , Vol. 5 , Spring_Summer 2020
      With increasing industrial activities and discharging untreated wastewater which contains various environmental pollutants to aquatic environments, problems such as reducing the penetration of light, anaerobic conditions and complications such as allergies and cancer fo More
      With increasing industrial activities and discharging untreated wastewater which contains various environmental pollutants to aquatic environments, problems such as reducing the penetration of light, anaerobic conditions and complications such as allergies and cancer for humans and other living organisms will occur. Surface absorption is one of the most effective and efficient methods for the removal of environmental pollutants and among the common methods for treatment of wastewater, applying natural adsorbents are more efficient than the other methods and is more economic. Since there are many natural adsorbents in nature, they are very inexpensive, they are even free in some cases; adsorption of contaminants by these materials can be a suitable way to remove the toxic substances of contaminated water and industrial wastewater. In this paper, we study some of bioactive adsorbents in order to remove contamination from industrial wastewater. Manuscript profile

    • Open Access Article

      4 - Investigation of Congored dye removal from industrial waste water using adsorption method
      Mohadeseh Tavakoli niloofar Abedinzade
      Issue 6 , Vol. 4 , Autumn_Winter 2020
      These days, the removal of various dyes from industrial wastewater has become an important concern. Synthetic dyes used in industries such as textiles are complex, toxic and mutant organic materials. Congored is also an acidic dye that is considered a high- risk source More
      These days, the removal of various dyes from industrial wastewater has become an important concern. Synthetic dyes used in industries such as textiles are complex, toxic and mutant organic materials. Congored is also an acidic dye that is considered a high- risk source of contamination and threatens the lives of humans and other living organisms. Different methods, such as electrochemical, physical and biological processes, are used to remove organic pigment from aqueous samples. Adsorption is one of the most effective modern methods of industrial wastewater treatment, which is a relatively simple and inexpensive process that produces non- toxic and low- risk products. The purpose of this study is removing the Congored dye from aqueous solutions and reviewing the accomplished researches for remove it. Manuscript profile

    • Open Access Article

      5 - The Study of Environmental Impacts of Pistachio Production Using Life Cycle Assessment, (Case Study: Rafsanjan City)
      Maryam Rajaei Mohammad Reza Elmi Mahin Malekian
      Issue 6 , Vol. 4 , Autumn_Winter 2020
      Life Cycle Assessment method is an accepted approach for assessing the environmental impacts of a product's life cycle, which is calculated on the basis of two components: the amount of consuming resources and the release of pollutants to the environment. In this study, More
      Life Cycle Assessment method is an accepted approach for assessing the environmental impacts of a product's life cycle, which is calculated on the basis of two components: the amount of consuming resources and the release of pollutants to the environment. In this study, the environmental impact assessment of pistachio production from the beginning of planting to the field door was estimated using Life Cycle Assessment (LCA) method in Rafsanjan. Initial data were collected through questionnaire method and interview with local farmers. The collected data were analyzed using Ecoinvent®3.0 database and Simapro8.0.4.30 software. The system boundary, field and work unit were considered as a ton of pistachios in this study. The results of this study showed that the use of diesel and electricity as energy sources lead to the release of CO2, NOx, SOx and heavy metals into the environment. Analysis of the pistachio data showed that emissions from fertilizers in the layers had the highest role in source reduction, global warming, toxicity to humans, toxicity to marine aquatics and chemical photooxidation. Emissions from fuel consumption had the greatest effect on ozone layer depletion. Manuscript profile

    • Open Access Article

      6 - A review of widely used industrial dyes and their removal methods from water and wastewater
      Fariba Ostovar Marzieh Hasanzadeh
      Issue 7 , Vol. 5 , Spring_Summer 2020
      In recent years, the expansion of industries has led to increase industrial wastewater production and environmental pollution. Dyes materials are one of the most important pollutants in industrial wastewater. Today, dyes are widely used in various industries such as tex More
      In recent years, the expansion of industries has led to increase industrial wastewater production and environmental pollution. Dyes materials are one of the most important pollutants in industrial wastewater. Today, dyes are widely used in various industries such as textile, paper, leather, printing, and cosmetics. Drainage of colored wastewater does not only affect the aesthetic aspect of the receiving water but also reduces the process of photosynthesis. Also, the colors and their intermediate products are toxic, carcinogenic and mutagenic for aquatic life. Most of these dyes cause skin allergies, dermatitis, and itching, and accelerate the incidence of cancer and mutation in humans. Therefore, industrial wastewaters containing dye need to be treated prior to discharge into the receiving environment. The purpose of this study was to provide a summary of the most important industrial dyes, the health and environmental effects of dyes as pollutants, and to describe the methods for their removal from water and wastewater. In this study, different dye removal methods such as biological, physical and surface adsorption methods were described and the best process for treatment of colored wastewater was introduced considering the economical cost. Manuscript profile

    • Open Access Article

      7 - Prioritization of energy recovery technologies from municipal solid waste (Case study of Mashhad)
      Arman Shahnazari
      Issue 7 , Vol. 5 , Spring_Summer 2020
      Thermal energy recovery technologies which used to burn solid urban waste are one of the relatively new and appropriate methods in waste management. Heat and gases are generated by burning waste that can be used to generate energy. In this research, a decision model bas More
      Thermal energy recovery technologies which used to burn solid urban waste are one of the relatively new and appropriate methods in waste management. Heat and gases are generated by burning waste that can be used to generate energy. In this research, a decision model based on the Analytic Hierarchy Process (AHP) method is Provided to select the best thermochemical system based on three technical, economic and environmental criteria. In this study, waste incineration, gasification, pyrolysis and plasma systems were evaluated. Collection of required information was obtained by reviewing reliable sources and preparing and completing questionnaires. The study area in this study is Mashhad city. The results of this study indicate that among the studied systems, plasma system (technology) is the best option for energy recovery from solid wastes in Mashhad, after that, waste incineration, gasification and pyrolysis systems are in the next categories, respectively. Manuscript profile

    • Open Access Article

      8 - Cheese whey recycling, the right approach to prevent environmental damage
      Zahra  Katabehei Moradi Maryam  Haghighi khomami Hamed Kioumarsi hooshang dehghanzadeh saeed tamadoni jahromi
      Issue 7 , Vol. 5 , Spring_Summer 2020
      Today, with increasing in production and diversity expansion of dairy products in factories and production of whey products, this food product has become very important. Whey is a water-soluble part of milk that is obtained by adding acid, heating, and coagulating the c More
      Today, with increasing in production and diversity expansion of dairy products in factories and production of whey products, this food product has become very important. Whey is a water-soluble part of milk that is obtained by adding acid, heating, and coagulating the cheese. This yellow liquid contains a lot of lactose and mineral compounds such as calcium and phosphorus, which is important to achieve in order to use as a food source and prevent environmental pollution. Since the wastewaters of the dairy industry have the highest levels of contamination, if the untreated wastewaters of this industry are discharged, serious environmental problems will be inevitable. On the other hand, a reduction in existing reserves and environmental problems followed by increasing use of fossil fuels has prompted researchers to produce new sources of renewable energy, and it can be said that new biological technologies, such as the use of whey as a way to produce biofuels, reduces the environmental problems of dischrging this kind of wastewaters into nature. Today, using biological technology, these compounds can be used to produce biofuels such as hydrogen, methane, and ethanol. So far, various methods and tests have been performed to produce these fuel sources and in this study, the effective strategies for recycling whey and preventing environmental damages are investigated. Manuscript profile

    • Open Access Article

      9 - Effect of Pennyroyal (Mentha Pulegium L.) on Performance, Carcass Characteristics and Some of the Blood Parameters in Broilers
      Ali Reyan Mohasesi Hasan Darmani Koohi Reza Naseri Harsini Ali Mirza Aghazadeh Hamed Kioumarsi
      Issue 6 , Vol. 4 , Autumn_Winter 2020
      To investigate the effects of pennyroyal (Mentha pulegium L.) powder on performances, the concentration of some blood parameters and carcass characteristics of broilers, 160 one-day-old Ross chicks were used in the form of a completely randomized design with four treatm More
      To investigate the effects of pennyroyal (Mentha pulegium L.) powder on performances, the concentration of some blood parameters and carcass characteristics of broilers, 160 one-day-old Ross chicks were used in the form of a completely randomized design with four treatments and four repetitions. Experimental treatments included the levels of zero (control), 0.2%, 0.4%, and 0.6% of pennyroyal powder. The treatment containing 0.6% of pennyroyal powder compared to the control group had higher feed consumption in the starter period (P <0.05). However, there was no significant difference during the growth period and the whole experimental period. In terms of average daily weight gain and feed conversion ratio, there was no significant difference between the experimental treatments during the starter, growth and the whole experimental periods. The carcass percentage decreased significantly at the age of 42 days in treatments containing pennyroyal powder compared to the control group (P <0.05). There was no significant difference between experimental treatments in terms of weight percentage of carcass components including thigh, chest, abdominal fat, heart, liver, and gizzard. The concentration of triglycerides and plasma VLDL decreased significantly in treatments containing pennyroyal powder and decreased linearly compared to the control group (P <0.05). In terms of cholesterol and plasma HDL levels, a significant decrease was observed in treatment containing 0.4 level and treatment containing 0.2 percent of pennyroyal powder compared to the control group (P <0.05) respectively. Plasma LDL levels were not affected by experimental treatments. The results of the present study showed that the use of limited levels of pennyroyal powder up to 0.6% has no significant effect on the performance of broilers. Manuscript profile

    • Open Access Article

      10 - Application of Drastic Model in the Studying Process of Industrial Development of Sari Plain
      Mohammad rahmani tahere azari
      Issue 6 , Vol. 4 , Autumn_Winter 2020
      New industrial estates developments must follow the effective factors in protection, management and sustainable development of aquifers and water resources in a plain in order to meet the needs of people. Therefore, assessment of the aquifer vulnerability potential for More
      New industrial estates developments must follow the effective factors in protection, management and sustainable development of aquifers and water resources in a plain in order to meet the needs of people. Therefore, assessment of the aquifer vulnerability potential for locating new industrial estates settlements is necessary. So, investigation of the vulnerability of Sari plain groundwater resources for locating the industrial zones is necessery. In this research, the risk map of the plain was prepared using a drastic model to assessment of the effective hydrogeological factors in locating the industrial estates of Sari plain. The results of the Drastic model showed that Sari aquifer vulnerability is classified in three groups of highly vulnerable (10.49%,), very highly vulnerable (56.66%) and too highly vulnerable (32.85%). Sensitivity analysis based on two-way single parameter and parameter deletion methods showed that the depth of the water-table factor is the most sensitive factor on the DRASTIC vulnerability index. Sari aquifer is strongly affected by agricultural and industrial activities' pollutants due to shallow water-table; so, the study area is not suitable for establishment of industrial estates based on the final vulnerability map, the aquifer extreme vulnerability potential and the amount of exsisting pollutant. Also, if environmental considerations are not respected by farmers and the existing industrial units in the plain, the aquifer will be suffering serious damages. Manuscript profile
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    Amir Sadoddin (هیات علمی دانشگاه علوم کشاورزی و منابع طبیعی گرگان) Hasan Pourbabaei Majid Makhdom Ali Bani (استاد گروه شیلات دانشگاه گیلان) sezgin ayan (استاد گروه مهندسی جنگل داری ترکیه) alireza shokouhi (استاد دانشگاه بین المللی امام خمینی قزوین) seyed mohsen hoseini (استاد دانشگاه تربیت مدرس) asghar fallah (استاد دانشگاه علوم کشاورزی منابع طبیعی ساری) shahryar mahdavi (دانشیار دانشگاه ملایر) naser mehrdadi (استاد دانشکده محیط زیست دانشگاه تهران) marjan mohammadzadeh (دانشیار گروه طراحی و ارزیابی محیط زیست دانشگاه علوم کشاورزی و منابع طبیعی گرگان) mohsenq mohammadi (دانشیار گروه محیط زیست دانشگاه گیلان) neda soltani (استاد پژوهشکده علوم پایه کاربردی جهاد دانشگاهی تهران) Naghmeh Mobargheidinan (دانشیار دانشگاه شهید بهشتی)
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