نتایج جستجو برای: Reactive Red 4

تعداد نتایج: 1563081  

Journal: :health scope 0
sudabeh pourfadakari department of environmental health engineering, school of health, shiraz university of medical sciences, shiraz, ir iran; student research committee, shiraz university of medical sciences, shiraz, ir iran amir hossein mahvi department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran; national institute of health research, tehran university of medical sciences, tehran, ir iran; center for solid waste research, institute for environmental research, tehran university of medical sciences, tehran, ir iran; department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran. tel: +98-2188954914, fax: +98-2188950188

conclusions considering the simplicity and efficiency of zero valent iron powder, this method is recommended for removing azo dyes from aqueous environments. results the results of this research showed ph = 3 and contact time = 120 minutes, increasing the zvi dose from 200 to 5000 mg/l in 100 mg/l dye concentration, increased the adsorption efficiency from 36.78% to 97.57%. rr-198 removal follo...

Journal: :health scope 0
hossein jafari mansoorian health promotion research center, zahedan university of medical sciences, zahedan, ir iran; health promotion research center, zahedan university of medical sciences, zahedan, ir iran. tel: +98-918813385, fax: +98-5413425837 edris bazrafshan health promotion research center, zahedan university of medical sciences, zahedan, ir iran ahmadreza yari research center for environmental pollutants, qom university of medical sciences, qom, ir iran mostafa alizadeh students scientific research center, zahedan university of medical sciences, zahedan, ir iran

background fenton (fe2+ and h2o2) and modified fenton (fe3+ and h2o2) are two popular methods used in advanced oxidation processes (aop) and degradation of persistent organic pollutants (pops), such as dye compounds. in these processes, fe2+ and fe3+ as catalysts and h2o2 as the oxidizing agent are added to the reactor. objectives the aim of the current study is to assess the abovementioned met...

Journal: :تحقیقات نظام سلامت 0
محسن سعدانی دانشجوی دکتری، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران، مربی، دانشکده بهداشت، دانشگاه علوم پزشکی شهید صدوقی، یزد، ایران سیده پروین موسوی دانشجوی کارشناسی ارشد مهندسی بهداشت محیط، دانشکده پردیس بین الملل، دانشگاه علوم پزشکی وخدمات بهداشتی درمانی شهید صدوقی یزد، یزد، ایران محمد حسن احرامپوش استاد گروه مهندسی بهداشت محیط، دانشکده بهداشت،دانشگاه علوم پزشکی و خدمات بهداشتی درمانی شهید صدوقی یزد، یزد، ایران طاهره جاسمی زاد دانشجوی کارشناسی ارشد مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی و خدمات بهداشتی درمانی شهید صدوقی یزد، یزد، ایران ساره رحیمی دانشگاه آزاد اسلامی، واحد ارسنجان، باشگاه پژوهشگران جوان و نخبگان، ارسنجان، ایران

background: colors make many problems and these are major sources of environmental pollution. therefore, this wastewater should be treated before discharge to environment to reduce the environmental threats. adsorption is one of the usual processes for color removal from wastewater. nanotube s are new adsorbents with extend application for adsorption of different compounds. aim of this study wa...

Journal: :iranian journal of health sciences 0
edris bazafshan health promotion research center, zahedan university of medical sciences, zahedan, iran ferdos kord mostafapour health promotion research center, zahedan university of medical sciences, zahedan, iran ali reza hosseini health promotion research center, zahedan university of medical sciences, zahedan, iran mohammad ali zazouli department of environmental health engineering, school of health and health sciences research center, mazandaran university of medical sciences, sari, iran

background and purpose: textile effluents are very difficult to treat satisfactorily due to high variations in their compositions. strong color is one of the main characteristics of textile effluent and, if not eliminated, it can cause serious problems to the environment. in the present study, multi-walled carbon nanotubes (mwcnts) were used as an adsorbent for the removal of reactive red-120 (...

ژورنال: اکوبیولوژی تالاب 2019
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International Shadegan wetland is the one of large Iranian wetlands. This wetland is located in south west Iran in Khuzestan province. Dams construction and not observing of wetland water needs, breeding fish, Saccharum industry sewages, oil pipes crossing, activity of 30 petrochemical unit and urban wastes discharge, entered this unique wetland, from 1992 in red list of international wetlands ...

Journal: :international journal of environmental research 0

this study evaluates the effectiveness of adsorption process by granular activated carbon (gac) compared with a novel formulation of coagulation - flocculation process for dye removal from textile wastewater. in this regard, acidic, reactive, disperse and direct red dye are used to prepare the synthetic dye. dominant wave length for each dye is determined by spectrophotometeric method. using ga...

Journal: :مجله انسان، محیط زیست و ارتقاء سلامت 0
ali assadi department of environmental health engineering, zanjan university of medical sciences, p.o. box 4515713656, zanjan, iran armita soudavari department of environmental health engineering, zanjan university of medical sciences, p.o. box 4515713656, zanjan, iran mehran mohammadian department of environmental health engineering, zanjan university of medical sciences, p.o. box 4515713656, zanjan, iran

background; conventional chemical coagulation is considered as the old method to color and cod removal in textile effluent. electrocoagulation (ec) process is a robust method to achieve maximum removal. methods; this work was designed to compare the result of operational parameters including optimum ph and coagulant concentration for chemical coagulation with ferric chloride and alum. also, the...

Journal: :jundishapur journal of microbiology 0
turhan togan department of infectious diseases and clinical microbiology, baskent university, ankara, turkey; department of infectious diseases and clinical microbiology, selcuklu, turkey. tel: +90-3322570606 huseyin narci department of emergency medicine, baskent university, ankara, turkey hale turan department of infectious diseases and clinical microbiology, baskent university, ankara, turkey ozgur ciftci department of cardiology, baskent university, ankara,turkey ebru kursun department of infectious diseases and clinical microbiology, baskent university, ankara, turkey hande arslan department of infectious diseases and clinical microbiology, baskent university, ankara, turkey

conclusions while the crp value was in patients with acute brucellosis in the current study, the mpv, rdw and leukocyte counts were within the normal range. crp value remains the most valuable inflammatory marker in cases of acute brucellosis. results the follow-up within the year after treatment was examined. the values of age, gender, leukocyte count, c-reactive protein, rdw and mpv were reco...

Ahmad Jonidi Jafari, Ahmad Reza Yari, Amir Hossein Mahvi, Hossein Jafari Mansoorian, Hossein Sahebian, Mostafa Alizadeh,

    Background & Aims of the Study: Textile wastewaters are very various in chemical qualities. In other words, these industries are one of the largest producing dyes compounds; therefore their treatment is so complex and difficult. The aim of this study was to evaluate the potential removal of Reactive Red 198 and Blue Reactive 19 from synthetic solution by Acaciatortilis shu...

ژورنال: طلوع بهداشت یزد 2015
احرامپوش, محمد حسن , دهواری, محبوبه , قانعیان, محمد تقی , گل‌کاری, مجتبی ,

Introduction: The dye wastewaters of textile industries are often toxic and persistent in the environment. In previous years, various methods are considerate in the removal of reactive dyes. Reactive red 198 dye is one of the mono azo dyes that is now used in textile industries. The aim of this study was to investigate the efficiency of Russian Knapweed Flower powder in the removal of reactive ...

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