نتایج جستجو برای: Reactive black 5

تعداد نتایج: 1478375  

Journal: :iranian journal of health sciences 0
edris bazrafshan health promotion research center, zahedan university of medical sciences, zahedan, iran somaiieh rahdar health promotion research center, zahedan university of medical sciences, zahedan, iran davoud balarak 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 mohammad ali zazouli department of environmental health, school of public health, health sciences research center, mazandaran university of medical sciences, sari, iran

abstract background: at present study, acid modified banana leaf ash was used as an adsorbent for the successful removal of reactive black 5 (rb5) dye from aqueous environments. materials and methods: the effect of various operating parameters such as ph of solution, dye concentration, contact time, adsorbent dosage, and the temperature was investigated. results: maximum adsorption capacity of ...

جعفری , سیدجواد, سمرقندی , محمدرضا, شیرزادسیبنی , مهدی, ملکی , افشین‌, ناظمی , فاطمه,

Background and purpose: Dyes and cyanide are the most important sources of environmental pollution, found in industrial wastewater, which are harmful for human health and environment. The purpose of this research was to investigate the Kinetic and efficiency of titanium dioxide photacatalytic process in removal of Reactive Black 5 (RB5) dye and cyanide from aquatic solution in a batch system....

ژورنال: :فصلنامه علوم و تکنولوژی محیط زیست 2013
علیرضا رحمانی منصور ضرابی محمد رضا سمرقندی عباس افخمی سعید عزیزیان

فاضلاب های صنایع نساجی و رنگرزی به دلیل دارا بودن انواع آلاینده های آلی و غیر آلی، یکی از عمده ترین منابع آلاینده محیط زیست به شمار می روند. تا کنون روش های مختلفی از قبیل انعقاد و لخته سازی، ازن زنی، فرآیند فنتون و سایر روش ها برای تصفیه این نوع از فاضلاب ها مورد استفاده قرار گرفته است. در این پژوهش از پودر آهن به عنوان یک ماده ارزان قیمت و موثر که به آسانی در دسترس بوده و مورد استفاده قرار می...

ژورنال: :علوم و تکنولوژی محیط زیست 0
علیرضا رحمانی استاد گروه مهندسی بهداشت محیط و مرکز تحقیقات علوم بهداشتی، دانشگاه علوم پزشکی همدان، همدان، ایران. منصور ضرابی کارشناس ارشد مهندسی بهداشت محیط، عضو هئیت علمی گروه مهندسی بهداشت محیط، دانشگاه علوم پزشکی البرز، کرج، ایران*(مسئول مکاتبات) محمد رضا سمرقندی دانشیار گروه مهندسی بهداشت محیط و مرکز تحقیقات علوم بهداشتی، دانشگاه علوم پزشکی همدان، همدان، ایران. عباس افخمی استاد گروه شیمی، دانشکده شیمی، دانشگاه بوعلی سینای همدان، همدان، ایران. سعید عزیزیان استاد گروه شیمی فیزیک، دانشکده شیمی، دانشگاه بوعلی سینای همدان، همدان، ایران. حمیدرضا غفاری کارشناس ارشد مهندسی بهداشت محیط، عضو هئیت علمی گروه مهندسی بهداشت محیط، دانشگاه علوم پزشکی هرمزگان، بندرعباس، ایران.

فاضلاب های صنایع نساجی و رنگرزی به دلیل دارا بودن انواع آلاینده های آلی و غیر آلی، یکی از عمده ترین منابع آلاینده محیط زیست به شمار می روند. تا کنون روش های مختلفی از قبیل انعقاد و لخته سازی، ازن زنی، فرآیند فنتون و سایر روش ها برای تصفیه این نوع از فاضلاب ها مورد استفاده قرار گرفته است. در این پژوهش از پودر آهن به عنوان یک ماده ارزان قیمت و موثر که به آسانی در دسترس بوده و مورد استفاده قرار می...

Journal: :jundishapur journal of health sciences 0
ghorban asgari department of environmental health engineering, school of health, hamadan university of medical sciences, hamedan, ir iran edris hoseinzadeh department of environmental health engineering, school of public health, lorestan university of medical sciences, khorramabad,, ir iran mahmood taghavi department of environmental health engineering, school of public health, mazandaran university of medical sciences, sari,, ir iran mahmood taghavi department of environmental health engineering, school of public health, mazandaran university of medical sciences, sari,, ir iran javad jafari department of environmental health engineering, school of health, hamadan university of medical sciences, hamedan, ir iran abdolmotaleb sidmohammadi department of environmental health engineering, school of health, hamadan university of medical sciences, hamedan, ir iran

as dyes are the most important pollutants of many industrial wastewaters. a large amount of reactive black 5 enters the environment in iran because of the use of this dye in iran's textile industries, so the goal of this study was to survey the catalytic ozonation process with bone char in removal of reactive black 5 dye from synthetic wastewater. in this experimental study bone char (bc) was p...

Journal: :jundishapur journal of health sciences 0
seyyed javad jaafari department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran reza shokouhi department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran edris hossein zadeh department of environmental health engineering, school of health, lorestan university of medical science,khorramabad, ir iran mahmoud taghavi department of environmental health engineering, mazandaran university of medical science, sari, ir iran rasoul arezoumandi department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran rasoul arezoumandi department of environmental health engineering, school of health, hamadan university of medical science, hamadan, ir iran

industrial wastewater included the dyes one of the important sources of environmental pollution that founded in loom wastewater which are harmful for human health and environment. therefore, the purpose of this research was investigated removal of rb5 dye from aqueous solution by using of adsorption onto activated red mud as an cheap adsorbent. this research was experimental- laboratorial study...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
mohammad mansouri majoumerd hamid reza kariminia

in this study, decolorization of the diazo dye, reactive black 5 (rb5) in a coprinus cinereus peroxidase-catalyzed reaction has been investigated. a bisubstate kinetic model for the reaction rate based on the ping-pong mechanism was assumed for the enzymatic decolorization. experimentswere conducted at different rb5 and hydrogen peroxideconcentrations in a batch mannerto estimate the intrinsic ...

Journal: Pollution 2020

The presence of synthetic dyes in textile wastewater is a problematic issue for environmentalist. Nowadays, dye removal is practiced via different methods. Among all these methods, biodecolorization is an ideal technique. The present research apples vermicompost microflora to remove reactive black- C, pH = 7, and under anaerobic condition. At 36h, removal efficiencies of 94.79%, 94.06%, and 93....

The presence of synthetic dyes in textile wastewater is a problematic issue for environmentalist. Nowadays, dye removal is practiced via different methods. Among all these methods, biodecolorization is an ideal technique. The present research apples vermicompost microflora to remove reactive black- C, pH = 7, and under anaerobic condition. At 36h, removal efficiencies of 94.79%, 94.06%, and 93....

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