نتایج جستجو برای: removal process

تعداد نتایج: 1430523  

ژورنال: سلامت و محیط زیست 2012
اسرافیلی, علی, جنیدی جعفری, احمد, دهقانی فرد, عماد, رضایی کلانتری, روشنک, غلامی, میترا,

MicrosoftInternetExplorer4 Background and Objectives: Aniline has been used in different processes of chemical industries, however due to its side effects on the environment, several methods have been considered for its removal. In this study, we evaluated the performance of photocatalytic process using ZnO nanoparticles (nZnO) and ultraviolet (UV) irradiation for removal of Aniline from a...

ژورنال: سلامت و محیط زیست 2010
ابوترابی, مریم, احرامپوش, محمد حسن, جاسمی زاد, طاهره, دهواری, محبوبه, غنی زاده, قادر, قانعیان, محمدتقی,

BackgroundandObjectives: Dyes are organic compoundswith complex structures,which due to toxicity, carcinogenicity and nonbiodegredabity, this type of pollutants is one of the most important pollutants of the environment. The goal of this researchwas to study the feasibility of the application of solar irradiation in presence of potassium persulfate (K2S2O8) for the removal of Reactive blue19 (R...

Journal: :international archives of health sciences 0
miranzadeh m.b. “social determinants of health research center” and “environmental health engineering department, health school”, kashan university of medical sciences, kashan, iran dehghan s. ghadami f. rabbani d. “social determinants of health research center” and “environmental health engineering department, health school”, kashan university of medical sciences, kashan, iran

aims: the effect of electrochemical process on polyphosphate alone has not been yet investigated. the aim of this study was to study polyphosphate removal from synthetic wastewater by electrochemical process.  materials & methods: this research was carried out experimentally on 50 samples of synthetic wastewater. in each run 2000ml of sw took place in a batch. a constant 600ma direct current wa...

Journal: :international journal of environmental research 2013
p.a. lópez-pérez m.i. neria-gonzález l.b. flores-cotera r. aguilar-lópez

in this work, an unstructured-type mathematical model was developed to simulatecadmium (cd2+) removal by desulfovibrio alaskensis 6sr, which is a recently described sulfatereducing bacterium, whose capacity for removing heavy metals are being studied. three processesare considered in the model: 1) the sulfate reduction process, 2) the consumption of lactate ascarbon source, and 3) the metal rem...

Journal: :journal of applied research in water and wastewater 2014
parviz mohamadi liza ferina mohamad suffian mohamad annuar shaliza ibrahim

decolorization of remazol brilliant blue r (rbbr) by trametessp. pellets was studied in a batch reactor. dye removal process was performed in shaken flasks which contained 100 ml of rbbr aqueous solution and fungal pellets. the process was followed for 48 h and the dye removal was analyzed at a visible spectrum of 590 nm. response surface methodology (rsm) employing box behnken design at three ...

Journal: :international journal of environmental research 0
p.a. lópez-pérez department of biotechnology & bioengineering cinvestav-ipn, instituto politécnico nacional 2508, san pedro zacatenco, 07360 méxico, d.f. m.i. neria-gonzález chemical and biochemical engineering division, tecnológico de estudios superiores de ecatepec, tecnológico, 55210, valle de anáhuac, ecatepec de morelos, estado de méxico l.b. flores-cotera department of biotechnology & bioengineering cinvestav-ipn, instituto politécnico nacional 2508, san pedro zacatenco, 07360 méxico, d.f. r. aguilar-lópez department of biotechnology & bioengineering cinvestav-ipn, instituto politécnico nacional 2508, san pedro zacatenco, 07360 méxico, d.f.

in this work, an unstructured-type mathematical model was developed to simulatecadmium (cd2+) removal by desulfovibrio alaskensis 6sr, which is a recently described sulfatereducing bacterium, whose capacity for removing heavy metals are being studied. three processesare considered in the model: 1) the sulfate reduction process, 2) the consumption of lactate ascarbon source, and 3) the metal rem...

Journal: :journal of research in health sciences 0
ar rahmani mt samadi a enayati moafagh

background : the main objective of this research was to study photocatalytic oxidation of phenol in aquatic solutions by using of uv, tio 2 and the combination of them. phenol compounds are widely used in industries and other daily life. highly toxicity and carcinogenicity of these compounds can causal considerable adverse effects on the aquatic ecosystems and human health. methods : the study ...

Journal: :health scope 0
hossein kamani health promotion research center, zahedan university of medical sciences, zahedan, ir iran edris bazrafshan health promotion research center, zahedan university of medical sciences, zahedan, ir iran mohammad ghanbari ghozikali environmental health department of east azerbaijan province, health center, tabriz university of medical sciences, tabriz, ir iran majid askari department of material science and engineering, sharif university of technology, tehran, ir iran reza ameri department of environmental engineering, science and research branch, islamic azad university, tehran, ir iran; department of environmental engineering, science and research branch, islamic azad university, tehran, ir iran. tel: +98-2188968258, fax: +98-2166462267

conclusions the uv/zno system has been found an effective process with 90.2% cod removal and 95.6% dye removal after 50 minutes treatment. materials and methods in this work, zno catalyst and mercury lamp (uv-c, 254 nm) have been applied for removal of the c.i. sulphur red 14 dye from aqueous environments. the influence of various parameters such as the amount of zno, initial dye concentration,...

Background and Aims: Chlorpyriphos is one of the most important widely used pesticides in agriculture, which is discharged into the water resources and is associated with various adverse effects on human health and the environment. The purpose of this study was to evaluate chlorpyriphos removal by chitosan graphene oxide composite form aquatic solution. Materials and Methods: The characteristic...

ژورنال: یافته 2018

Background : The indiscriminate consumption of antibiotics and their discharge into the environment have created serious complications. Therefore, it is necessary to remove these contaminants from the aquatic environment.  The antibiotic Metronidazole is a contaminant that should be eliminated from the environment. The aim of this study was to evaluate the use of the Electro-Fenton advance...

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