نتایج جستجو برای: removal of lead

تعداد نتایج: 21183308  

Journal: :International Journal of Environmental Science and Technology 2014

Journal: :تحقیقات نظام سلامت 0
محمد ملکوتیان استاد، مرکز تحقیقات مهندسی بهداشت محیط و گروه بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی کرمان، کرمان، ایران مرضیه جاودان دانشجوی کارشناسی ارشد، مرکز تحقیقات مهندسی بهداشت محیط و گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی کرمان، کرمان، ایران فرناز ایرانمنش مرکز تحقیقات مهندسی بهداشت محیط، دانشگاه علوم پزشکی کرمان، کرمان، ایران

background: as fluoride concentration in drinking water is one of the effective parameters in human health, finding the ways to remove excess amount of fluoride is very important in water supply projects. this study aimed to evaluate mendon bauxite mine in the removal of fluoride from drinking water. methods: this experimental study was conducted from may to october 2013 on synthetic and actual...

Afshin Ebrahimi, Asrin Pashaee, Ensiyeh Taheri, Mokhtar Mahdavi,

Background & Aims of the Study: Coagulation is an essential process for the removal of fine particulate matter in water treatment. Polyaluminium ferric chloride (PAFC) is a composite inorganic polymer of Aluminium and ferric salt. This study was conducted to find out the optimum coagulation conditions for the removal of turbidity, color and organic matter (UV absorbance) in low to mediu...

Journal: :IOP Conference Series: Materials Science and Engineering 2021

رحمانی, علیرضا, عسگری, قربان, لیلی, مصطفی, یاری, خدیجه,

Background and purpose: Imidacloprid (IM) is a systemic insecticide that is widely used to control a large number of pests in agriculture. It has toxic effects, therefore, it should be removed using appropriate methods. The aim of this study was to evaluate the efficiency of electrochemical degradation process to remove IM from aqueous solutions. Materials and methods: In this experiment, a gl...

Journal: :jentashapir journal of health research 0
mansooreh dehghani department of environmental health, research center for health sciences, school of health, shiraz university of medical sciences, shiraz, ir iran samaneh shahsavani department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran; department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran. tel: +98-9385322369, fax: +98-7137260225 narges shamsedini department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran mohammad reza javaheri department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, ir iran

conclusions it was shown that the removal efficiency of nitrate was directly proportional to the amount of chaff, temperature, and contact time but inversely to the ph. this study showed that nitrate removal by chaff is a promising technique. results the result of this study revealed that chaff as an absorbent could remove nitrate from solutions, and the efficiency of adsorption increased as co...

Journal: :Brazilian Journal of Cardiovascular Surgery 2019

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید