نتایج جستجو برای: concentration process

تعداد نتایج: 1640480  

اسرافیلی, علی, پیری, رقیه, کرمانی, مجید,

Background and purpose: Chlorophenol compounds are refractory and toxic contaminants that enter the environment as a result of industrial activities. They can contaminate water sources through leaking into the groundwater or being washed out from polluted soil. The aim of the present study was to evaluate the rate of 4-Chlorophenol (4-CP) degradation using the UV/NaPS process. Materials and ...

2017
Hin Hung Sik Junling Gao Jicong Fan Bonnie Wai Yan Wu Hang Kin Leung Yeung Sam Hung

In both the East and West, traditional teachings say that the mind and heart are somehow closely correlated, especially during spiritual practice. One difficulty in proving this objectively is that the natures of brain and heart activities are quite different. In this paper, we propose a methodology that uses wavelet entropy to measure the chaotic levels of both electroencephalogram (EEG) and e...

Esrafili, Ali , Ghambarian, Mahnaz , Sobhi, Hamid Reza , Yegane Badi, Mojtaba,

Background & Objectives: Ceftriaxone is an antibiotic which is extensively used to treat a number of various infections. It is mainly accumulated in water and sewage resulting in the environmental and health problems. This study is centered on the evaluation of the efficiency of a photocatalytic process using Fe3O4@SiO2@TiO2 in the removal of ceftriaxone from aqueous solutions. Methods: This r...

Background and Objectives: Red beet juice, a potential source of valuable nutrients, is widely used as a colorant in food industries. In recent years, to avoid reduction of nutritional values of the red beet during concentration by thermal processing, an osmotic distillation (OD) technique has been suggested. Therefore, the major aim of the present study was to investigate effects of the flow r...

Journal: :تحقیقات نظام سلامت 0
رویا ناطقی دانشجوی کارشناسی ارشد، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی زنجان، زنجان، ایران. غلامرضا بنیادی نژاد دانشجوی کارشناسی ارشد، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. محمد مهدی امین دانشیار، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. علی اسدی استادیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی زنجان، زنجان، ایران.

background: in this study, adsorbentn process performance was assessed using nickel oxide nanoparticles for wastewater treatment containing mono azo orange ii dye in a laboratory scale. methods: the effects of various factors such as adsorbent dosage, contact time, ph and initial dye concentration were investigated. findings: based on the obtained results, the optimum ph range to dye removal is...

Journal: :advances in environmental technology 0
mojtaba ahmadi razi nuiversity m. hamed ardakani razi university a.a zinati zadeh razi university

the optimization of process conditions for the degradation of acid blue 193 by uv/peroxydisulfate was investigated using response surface methodology (rsm). the effects of four parameters namely initial k2s2o8 concentration, uv irradiation, temperature, and initial dye concentration on two process responses, color removal and the rate constants of the first-order kinetic equations, were investi...

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: :iranian journal of health sciences 0
mansooreh dehghani department of environmental health engineering, school of health, shiraz university of medical sciences, shiraz, iran razieh shabestari amir anushiravani narges shamsedini

abstract background and purpose:the main objectives of this research were to evaluating the application of electrocoagulation process for 198 dye from the aqueous phase and determining the optimum operating conditions to the dye removal using aluminum and iron electrodes. materials and methods:the present study was conducted in bench-scale. the spectrophotometer dr 5000 was used to determine th...

2016
Peter Lush Peter Naish Zoltan Dienes

In a famous series of experiments, Libet investigated the subjective timing of awareness of an intention to move, a task that can be considered a metacognitive judgement. The ability to strategically produce inaccurate metacognitions about intentions has been postulated to be central to the changes in judgements of agency common to all hypnotic responding. Therefore, differences in hypnotisabil...

2016
Niels J. Van Doesum Jan-Willem Van Prooijen Lot Verburgh Paul A. M. Van Lange

Social hostility is seldom expressed overtly. More often than not, individuals try to get their hostile message across without risking violent altercations. However, subtle and relatively covert hostility is not easy to research. We suggest a novel way with the SoMi paradigm, a social decision making task that offers participants the opportunity to be socially mindful or socially hostile by lea...

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