نتایج جستجو برای: removal methods

تعداد نتایج: 1991906  

Journal: :مجله انسان، محیط زیست و ارتقاء سلامت 0
amirreza talaiekhozani department of civil engineering, jami institute of technology, isfahan, iran. zeinab eskandari department of chemical engineering, jami institute of technology, isfahan, iran. marzieh bagheri department of chemical engineering, jami institute of technology, isfahan, iran. mohammad reza talaie chemical engineering department, isfahan university, isfahan, iran

background; the aim of this study is to compare uv, ferrate (vi) and uv/ferrate (vi) methods for removal of hydrogen sulfide and chemical oxygen demand (cod) from municipal wastewater under a continuous condition. methods; the experiment was divided into three parts: 1) pollutants removal by using ferrate (vi) alone; 2) pollutants removal using uv alone; 3) pollutants removal using a combinatio...

Journal: :Proceedings. Mathematical, physical, and engineering sciences 2011
Max A Little Nick S Jones

Removing noise from signals which are piecewise constant (PWC) is a challenging signal processing problem that arises in many practical scientific and engineering contexts. In the first paper (part I) of this series of two, we presented background theory building on results from the image processing community to show that the majority of these algorithms, and more proposed in the wider literatu...

Journal: :international archives of health sciences 0
rabbani d. environmental health department, health faculty, kashan university of medical sciences, kashan, iran mahmoudkashi n. environmental health department, health faculty, kashan university of medical sciences, kashan, iran mehdizad f. environmental health department, health faculty, kashan university of medical sciences, kashan, iran

aims: several methods have been used for textile wastewater treatment. the aim of this study was to evaluate the efficiency of rosa damascena watering waste ash for cod and color removal from textile wastewater.  materials & methods: rose watering waste was gathered from one of the kashan processing plants. the raw wastewater sample was taken from one of the textile industries in kashan country...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان فارس - دانشکده دندانپزشکی 1380

چکیده ندارد.

ژورنال: طلوع بهداشت یزد 2015
احرامپوش, محمد حسن , انوری, فاطمه , جمشیدی, بهزاد, خیر خواه, منیره , دهواری, محبوبه , عسکری شاهی, محسن, قانعیان, محمدتقی,

Introduction: The most important affect of natural organic matters in water is their reaction with chlorine and producing of disinfection byproducts that are carcinogenic. Humic acid is most common natural organic materials of surface water. Advanced oxidation processes (AOPs) are methods for the removal of organics from aqueous solutions. Application of electron beam radiation is one of these ...

Abdollahzadeh Sharghi, Elham, Davarpanah, Leila, Taherian, Soma,

Background: Industrial wastewaters containing high amounts of compounds such as sulfate can cause serious risks to human health and environment. Therefore, proposing practical solutions with the lowest cost and the highest efficiency for pollutants removal is of special importance. The purpose of this study is to find a suitable method for treatment wastewater containing very high amounts of...

ژورنال: طلوع بهداشت یزد 2014
دهقانی , محمد هادی, محوی, امیر حسین, نبی زاده, رامین, کیانی, قاسم,

Introduction: Untreated leachate is being discharged into the environment in many countries worldwide. Leachate treatment methods have not been unified so far due to variable composition of leachate in different sites. Lack of control as well as disregarding leachate treatment and disposal of it can cause environmental pollution. This study aimed to investigate the Coagulants' effect on the COD...

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