Ali Asghar Ebrahimi
Environmental Sciences and Technology Research Center, Department of Environmental Health Engineering, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
[ 1 ] - Arsenic Oxidation Using UV-Activated Persulfate in Aqueous Solutions: Optimization Using Response Surface Methodology Based on Box-Bencken Design
Introduction: The use of arsenic contaminated water can cause a variety of adverse health effects in humans. Therefore, it is essential to seek out a method to remove arsenic more efficiently. This study examined the amount of arsenic oxidation by response surface methodology (RSM) based on Box-Bencken design. Materials and Methods: In this study, oxidizing arsenite to arsenate was performed b...
[ 2 ] - Qualitative and Quantatitve Investigation of Industrial Solid Waste in the Iron Ore Extraction and Processing Sectors of Golgohar Mining and Industrial Company
Introduction: In order to achieve sustainable development in mining, waste management is an essential requirement. The current study aimed to examine industrial solid waste produced in Golgohar Mining and Industrial Company, which is a well-known iron ore extraction and processing complex. Materials and Methods: This cross-sectional study was conducted in two phases from March, 2016 through Ma...
[ 3 ] - Evaluation the Effect of Landfill Leachate on the Surface Water Quality: A Case Study in Tonekabon Landfill
Introduction: Leachate is a liquid coming out of accumulated wet wastes which contains several chemical and dangerous elements. Furthermore, it causes the aquatic ecosystem contamination. The purpose of this study is to give an indication of the effects of Tonekabon landfill on the surface water, so evaluating the amount of leachate polluting in surface waters was investigated. Materials and M...
[ 4 ] - Biodegradation of Linear Alkyl Benzene Sulfonate by Sequencing Batch Reactor in Sanitary Wastewater
Introduction: Detergents lead to many environmental problems. The main aim of this study was to evaluate sequencing batch reactor (SBR) efficiency on Linear alkyl benzene sulfonate (LAS) removal. Materials and Methods: In this experimental study, to investigate the removal efficiency of LAS, a SBR reactor was used. A roughly 12-hour operating cycle was chosen which included the discharge time ...
[ 5 ] - Evaluation the Correlation between Turbidity and Total Suspended Solids with other Chemical Parameters in Yazd Wastewater Treatment Effluent Plant
Introduction: Expensive chemical tests are usually applied to control the efficiency of wastewater treatment plants. However, the cost of measuring these parameters is one of the challenges of the wastewater treatment plants. Using statistical methods has been evaluated for possibility of calculating expensive parameters by measuring the inexpensive parameters in this study. Materials and Meth...
[ 6 ] - Performance Evaluation of Tile Wastewater Treatment with Different Coagulants
Introduction: The objective of this study was to investigate wastewater quality and the efficiency of removal of wastewater contaminants produced by a tile factory by using ferric chloride, ferrous sulfate, ferric sulfate, aluminum sulfate (alum) and poly-aluminum chloride (PAC) coagulants. Materials and Methods: This is an applied study. A composite sample was taken of the wastewater producti...
[ 7 ] - تصفیه شیرابه تازه با فرایند اکسیداسیون پیشرفته مرطوب همراه با آب اکسیژنه، مطالعه موردی شیرابه کارخانه کمپوست زباله اصفهان
فرایند اکسیداسیون مرطوب با هوا یکی از فرایندهای اکسیداسیون پیشرفته برای کاهش غلظت آلاینده‌های آلی از فاضلابهای بسیار قوی همانند شیرابه زباله با COD بیش از 10000 میلی‌گرم در لیتر است. برای بهبود راندمان این روش می‌توان از کاتالیزورهایی نظیر پراکسید هیدروژن و یا یون‌های فلزاتی همانند Fe+2 استفاده نمود. هدف از این مطالعه استفاده از فرایند کاتالیزوری اکسیداسیون با پراکسید هیدروژن به‌منظور حذف مواد ...
[ 8 ] - بررسی راندمان حذف آلکیل بنزن سولفونات خطی (LAS) در برکه‌های تثبیت فاضلاب شهر یزد
سورفاکتانت‌ها مواد شیمیایی آلی هستند که به‌مقدار زیادی در پاک‌کننده‌ها استفاده می‌شوند. در میان سورفاکتانت‌های آنیونی، آلکیل بنزن سولفونات خطی (LAS) بیشترین استفاده را دارد. تخلیه فاضلاب خام یا تصفیه شده به محیط، باعث بروز مشکلات زیست‌محیطی عمده‌ای می‌گردد. دراین مطالعه 64 نمونه فاضلاب به‌مدت یک‌سال برداشت شد و بر اساس روشهای استاندارد آنالیز گردید. بررسی نتایج حذف سورفاکتانت‌های آنیونی در برکه...
[ 9 ] - بررسی و مقایسه فرایند کمپوست سازی راکتوری ضایعات پسته در مخلوط با تیمارهای مختلف
Background and Objective: About 1.35×105 tons of pistachio waste are produced in annually Iran that can result in environmental problems if managed improperly. . The purpose of this study was to investigate in-vessel composting of pistachio residuals with addition of cow manure and dewatered sludge as a recycling alternative. Materials and Methods: Pistachios wastes were combined with weight...
[ 10 ] - پیش‌بینی میزان تولید پسماند شهری با استفاده از روش سری زمانی (تکنیک ARMA) و مدل سازی پویایی سیستم (نرم افزار Vensim)
Background and Objective: Predicting municipal solid waste generation has an important role in solid waste management. The aim of this study was to predict municipal solid waste generation in Isfahan through time series method and system dynamics modeling. Materials and Methods: Verified data of solid waste generation was collected from Waste Management Organization and population informatio...
[ 11 ] - Apprise of Used Electrical and Electronic Equipment in Residential Houses of Citizens of Yazd City and Determination of Their Knowledge, Attitude and Practice Regarding Electronic and Electrical Waste Management
Introduction: The production of Waste Electrical and Electronic Equipment (WEEE) has grown rapidly in recent years. It is necessary to determine the amount of them for its effective management. The aim of this study was to determine the amount of WEEE stored in the houses of Yazd citizens and the level of Knowledge, Attitude and Practice (KAP) of citizens regarding WEEE management. Materials a...
[ 12 ] - Evaluation the Capability of Isolated Bacteria from Stabilized Compost for Bioremediation of Pyrene and Phenanthrene from Contaminated Soil with Municipal Solid Waste Leachate
Introduction: Pyrene and phenanthrene are polycyclic aromatic hydrocarbons (PAHs) are priority pollutants. The aim of this study was to investigate the ability of isolated bacteria from stabilized compost for biodegradation of pyrene and phenanthrene from soil contaminated with municipal solid waste leachate. Materials and Methods: In this study, phenanthrene and pyrene were selected as prior...
[ 13 ] - Sustainability Impact Assessment of Waste to Energy Technologies in Iran
Introduction: Current energy sources are coming to end and one of the main priorities of the country’s management is the energy recovery from renewable energy. Considerable quantity of municipal solid waste (MSW) is one of the most serious urban pollution sources. Impact assessment matrix is a new and fast tool for Environmental Impact Assessment (EIA). Materials and Methods: In this regard, r...
[ 14 ] - The Relationship between Multiple Sclerosis Prevalence and Density of Radon Gas in the Environment (Review)
Introduction : Radon (Rn) is a chemically inert gas with no odor, color, and taste. It is created from the decay of uranium in the soil and can penetrate the building through the interiors. As a result, Rn can enter the human body with the release of alpha radiation along with airborne dust and cause chronic illnesses such as lung cancer and multiple sclerosis. The Multiple Sclerosis disease, ...
[ 15 ] - Relationship between Religious Attitudes and Water Conservation Tendency in High School Students
Introduction: Nowadays, water has turned into one of the biggest challenges of the current century, which can be the origin of numerous positive and negative changes across the world. Iran is one of the driest countries with a quarter of the average annual precipitation on a global scale. Thus, the purpose of this study was to investigate the relationship between religious attitudes and tendenc...
[ 17 ] - Assessment of Groundwater Quality for Industrial Purposes Using Geographical Information System (GIS) in Zahedan, Sistan and Baluchestan Province, Iran
Introduction: Water quality is essential for industries because they play an important role in countries’ economic development. Groundwater is one of the most widely used resources, and when the ionic constituents were increasing higher than the allowable limit, it increases the cost of maintenance and production in the industries. Materials and Methods: In order to evaluate groundwater corros...
[ 18 ] - Citizen Participation in Urban Waste Separation from Origin and its Barriers (Case Study: city of Babol)
Introduction: The best way to recycle municipal wastes is to separate them at home by the users. To this end, participation and cooperation of all citizens is required and the necessary infrastructure should be provided in the field of waste segregation. This study was conducted to determine the status of citizenschr('39') participation in separating urban wastes from the source and to investig...
[ 19 ] - Dietary Food Groups and Nutrient Intake in Association with Multiple Sclerosis: A Case-Control Study
Introduction: It has been proposed that dietary intake is associated with multiple sclerosis (MS). The present case-control study was conducted to investigate the relationship between intake of different food groups and occurrence of MS among the recently diagnosed adult patients in Yazd City, Iran. Materials and Methods: In the current study, a group of 45 patients who have recently been diag...
[ 20 ] - Investigation of the Bacterial Bioaerosols in the Air of the Wastewater Treatment Plant of Jahanabad Industrial Town of Meybod
Introduction: In recent decades, with the emergence of new industrial activities and increase production of waste production, industries require the existence of treatment equipment and sanitation. These devices sometimes spread infectious microorganisms into the air. These include waste recycling industries and wastewater treatment plants. Bioaerosols are produced at different stages of the wa...
[ 21 ] - Assessment of Seasonal Variation of Microbial Aerosol and Gaseous Emissions from Wastewater Treatment Plant of Morche Khort Industrial Town
Introduction: Wastewater contains a large number of pathogenic and non-pathogenic microorganisms that can become bioaerosols during the treatment processes in different units of the treatment plant, and pose a risk to workers and nearby residents. In this study, the release of bioaerosols from a wastewater treatment plant of Morche Khort Industrial Town was investigated. Materials and Methods:...
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