نتایج جستجو برای: Dye removal

تعداد نتایج: 178553  

Journal: :iranian journal of materials science and engineering 0
f. sakhaei materials and energy research center (merc) e. salahi materials and energy research center (merc) m. eolya institute for color science and technology (icrc) i. mobasherpour institute for color science and technology (icrc)

up to now, lots of materials such as active carbon, iron, manganese, zirconium, and metal oxides have been widely used for removal of dyes from contaminated water. among these, ferrite nanoparticle is an interesting magnetic material due to its moderate saturation magnetization, excellent chemical stability and mechanical hardness. graphene, a new class of 2d carbonaceous material with atom thi...

Journal: :international journal of environmental research 0

textile industry is the major source of water consumption and wastewater pollution.there are various treatment techniques to remove textile wastewater pollution. coagulationflocculation is a widely used process to remove pollution due to suspended particles. in this research, different coagulants like alum, lime, fecl3, feso4 and mgcl2 were applied to select the suitable ones with optimum remov...

Journal: :archives of hygiene sciences 0
faranak shaghayeghi toosi department of chemistry, neyshabur branch, islamic azad university, neyshabur, khorasane razavi, iran. malihesadat hosseiny department of chemistry, neyshabur branch, islamic azad university, neyshabur, khorasane razavi, iran. ali joghataei student research committee, qom university of medical sciences, qom, iran. foad shaghayeghi toosi young researchers and elite club, neyshabur branch, islamic azad university, neyshabur, khorasane razavi, iran.

background & aims of the study: dyes are one of the widespread chemicals which may have many adverse effects on life cycle. thus, this study was conducted to survey the rb19 dye removal efficacy from aqueous solution, using the sio2 nanoparticles. materials and methods: this study was an experimental-lab study. the batch adsorption system were utilized to evaluated the rb19 dye removal efficien...

Journal: :تحقیقات نظام سلامت 0
ابوذر رضایی دانشجوی کارشناسی، کمیته تحقیقات دانشجویی، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران محمد کامرانی فر دانشجوی کارشناسی ارشد، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی بیرجند، بیرجند، ایران سولماز ذبیح الهی دانشجوی کارشناس ارشد، کمیته تحقیقات دانشجویی، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران هادی رحیمی شرکت نانو نوآوران سپاهان، اصفهان، ایران حمیدرضا پورزمانی دانشیار، مرکز تحقیقات محیط زیست، پژوهشکده پیشگیری از بیماری های غیر واگیر و گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

background : textile wastewater is the most important pollutant of the environment. navy blue (nb) ce-rn is an important chemical dye widely used in the textile industry. the present study aimed to investigate the removal of nb textile dyes from aqueous solutions using magnetic iron oxide absorbents. methods: in this study, a sample of synthetic wastewater with nb concentration of 50 mg/l was u...

Journal: :environmental health engineering and management 0
selvaraj suresh department of chemistry, a.c.t college of engineering and technology, kancheepuram district – 603 107. india

background: the presence of even a very small quantity of dye in water bodies is undesirable and affects the water bodies. dye removal from industrial waste water is significant; hence in this study, a material that is an economical waste product was employed to test its acid dye removing capacity from aqueous solution. methods: in this study, batch mode experiments were performed in the sorpti...

ژورنال: طلوع بهداشت یزد 2016
محوی, امیرحسین, پورفداکاری, سودابه,

Introduction: Dye effluents of some industries include many toxic, carcinogenic, and mutagenic compounds; therefore, colored contaminants of such industries should be carefully treated using an appropriate method before discharging wastewater to the environment. This study aimed to evaluate the performance of Multi-Walled Carbon Nanotubes (MWCNTS) as an effective adsorbent in removing Acid Blac...

ژورنال: طلوع بهداشت یزد 2015
محوی, امیر حسین , پورفداکاری, سودابه ,

Abstract Introduction: Dye effluents of some industries contain many toxic, carcinogenic, and mutagenic compounds therefore, wastewater colored contaminants of such industries should be meticulously refined using an appropriate method before discharging waste-water to the environment. Therefore, this study aimed to evaluate the effectiveness of Multi-Walled Carbon Nanotubes (MWCNTS) in dye r...

Journal: :iranian journal of health sciences 0
ahmad reza yari department of environmental health engineering, research center for environmental pollutants, qom university of medical sciences, qom, iran gharib majidi department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran mehdi tanhaye reshvanloo department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran mohsen ansari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran shahram nazari department of environmental health engineering, school of khalkhal medical, ardabil university of medical sciences, ardabil, iran meysam emami kale sar department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran

background and purpose: generated dye wastewater by the textile industry is usually toxic, non-biodegradable and resistant in the environment. eggshell is one of the inexpensive material and for the reason the vesicular structures can be used as a proper adsorbent for pollutants removal. the aim of this study is to investigate the efficiency of eggshell for removal of acid orange 2 dye from aqu...

Journal: :مجله بهداشت محیط و توسعه پایدار 0
abdolmajid gholizadeh mitra gholami asghar ebrahimi mohammad miri ali nikoonahad

introduction: the powdered activated carbon treatment (pact) has been proposed as an alternative in wastewater treatment and wastewater biomass protection against toxic substances. this study aims to evaluate pact performance in treating dyes, acid orange, and remazol brilliant reactive blue. methods: this empirical- applied research was carried out in pilot scale in which different dye removal...

Journal: :journal of physical & theoretical chemistry 2012
m. h. fekri m. banimahd keivani m. darvishpour h. banimahd keivani

in this research, the removal of malachite green dye from textile wastewaters using polyaniline coated onto sawdust (pani/sd) has been investigated. ammonium peroxodisulphate was used as chemical oxidant for polymerization of polyaniline directly on the surface of sawdust. the effects of some important parameters such as ph, initial concentration, sorbent dosage, exposure time and temperature o...

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