نتایج جستجو برای: reactive red 4

تعداد نتایج: 1563081  

Journal: :journal of health sciences and surveillance system 0
mansooreh dehghani research center for health sciences, department of environmental health, school of health, shiraz university of medical sciences, shiraz, iran; mahshid ghadami department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, iran talat gholami department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, iran marzieh ansari shiri department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, iran zahra elhameyan department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, iran mohammad reza javaheri department of environmental health engineering, school of health, student research committee, shiraz university of medical sciences, shiraz, iran

background: recently, there has been a great concern about the consumption of dyes because of their toxicity, mutagenicity, carcinogenicity, and persistence in the aquatic environment. reactive dyes are widely used in textile industry. advanced oxidation processes are one of the cost-effective methods for the removal of these dyes. the main aims of this study were determining the feasibility of...

Journal: :مجله تحقیقات سلامت 0
محمد ملکوتیان mohammad malakootian سمیه محمدی somayeh mohammadi نجمه امیرماهانی najme amirmahani زهرا نصیری zahra nasiri علیرضا نصیری alireza nasiri

abstract introduction: dyes are among the most hazardous chemicals in industrial wastesdue to their toxicity for aquaculture, reduction of light permeability, and in turn development of disorders in photosynthesis process. the current study aimed to investigate the efficiency of coral in removing red reactive 198 from textile dye wastewater was investigated. materials & methods: in this experim...

Journal: :jundishapur journal of health sciences 0
mohammad taghi ghaneian department of environmental health engineering, shahid sadoughi university of medical sciences, yazd, ir iran mahboubeh dehvari department of environmental health engineering, shahid sadoughi university of medical sciences, yazd, ir iran mahmoud taghavi department of environmental health engineering, mazandaran university of medical science, sari, ir iran mohsen amrollahi behzad jamshidi department of environmental health engineering, shahid sadoughi university of medical sciences, yazd, ir iran

industrial effluents, especially the textile industry are discussed as one of the fundamental problems of the environment .dyes are materials with complex structures that enter into the wastewater from different stages of the textile industry. colors are often toxic, carcinogenic and mutagenic. this study investigated the absorption efficiency of reactive red 198 dye from aqueous solutions by p...

ژورنال: سلامت و محیط زیست 2014
غلامی, مریم , ندافی, کاظم,

Background & objective: Synthetic dyes are extensively used in various industries such as textile, leather tanning, plastic, pulp and paper. Since dyes are toxic and even carcinogenic, discharging dye-containing wastewater into the environment poses serious environmental and health problems. Therefore, the purpose of this paper was to evaluate the removal of Reactive Red 120 from aqueous soluti...

ژورنال: سلامت و محیط زیست 2020

Background and Objective: Reactive Red 198 is a mono azo dye widely used in the textile industry of Iran. The toxicity of reactive dyes is higher than other dyes and causes disorders such as irritation, cancer and mutation in humans. The overall objective of this study was to determine the efficiency of a Constructed Wetland pilot system with conventional and baffled horizontal subsurface flow ...

ژورنال: طلوع بهداشت یزد 2014
بذرافشان, ادریس, رضایی , محبوبه, کرد مصطفی پور , فردوس,

Introduction: Dyes are one of the most important existing pollutants in textile industrial wastewater. These compounds are often toxic, carcinogenic, teratogenic, and non- biodegradable. Carcinogenic and mutagenic potential of some azo dyes as a category of common dyes in different types of industries has been reported. Reactive red 198 is one of the azo dyes that are currently used in the text...

Journal: :advances in environmental technology 0
jamshid behin department of chemical engineering, faculty of engineering, razi university, kermanshah, iran negin farhadian department of chemical engineering, faculty of engineering, razi university, kermanshah, iran

in this work, response surface methodology (rsm) and artificial neural network (ann) were used to predict the decolorization efficiency of reactive red 33 (rr 33) by o3/uv process in a bubble column reactor. the effects of four independent variables including time (20-60 min), superficial gas velocity (0.06-0.18 cm/s), initial concentration of dye (50-150 ppm) and ph (3-11) were investigated us...

This study was performed with the aim of investigating the efficiency of the Nano photocatalytic of ultraviolet and titanium dioxide compound and rice husk silica adsorbent (UV/TiO2/RHS) in removal reactive red 198 dye from synthetic aqueous solutions. The removal of reactive red 198 dye was done in batch reactors with a volume of 250 ml using RHS deposited by titanium dioxide in the...

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