نتایج جستجو برای: water treatment plant

تعداد نتایج: 2214160  

Journal: :archives of hygiene sciences 0
zahra ahmadli department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran. mohammad fahiminia research center for environmental pollutants, qom university of medical sciences, qom, iran. reza ansari qom water and wastewater company, qom, iran. maryam savadkouhi department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran. azita anbaz department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran. akbar escandari department of environmental health engineering, school of public health, qom university of medical sciences, qom, iran.

background & aims of the study: drinking polluted water can transmit diseases, so potable water treatment is one of the most challenging and complex systems in countries. continuous monitoring for evaluation process in water treatment plant is important. this study aims to investigate performance evaluation of qom water treatment plant to remove turbidity and coliform in 2005 - 2014. materials ...

  Background and purpose: Water treatment is of great importance in human life, due to the contamination of water resources. Therefore, continuous evaluation of the performance of water treatment plants is necessary to minimize contamination within the treatment plant in order to create optimal conditions. Materials and methods: A cross-sectional descriptive analytic study was performed in Te...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی 1391

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

Journal: :iranian journal of public health 0
f vaezi f batebi

most of the water treatment plants in iran discharge their sludge to the environment whithout consideration of possible side effects. since this kind of sludge is generally considered pollutant, the sludge treatment of water industry seems to be an essential task. obviously theweight and volume of solids produced during the coagulation process are much more than other wastes of water treatment ...

Plantago ovata is a medicinal plant of plantain, Plantaginaceae, family used to treat intestinal disorders and stomach diseases. P. ovata grain has relieving effects and healing inflammation and irritation of the mucous layer of stomach and duodenal ulcer. Beside the medicinal benefits, this plant is useful for water turbidity removal. Coagulation and flocculation are important processes in wat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده فنی 1387

چکیده ندارد.

Journal: :journal of medicinal plants and by-products 0

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Journal: :Geo-Resources Environment and Engineering 2017

Background & Aims of the Study: Drinking polluted water can transmit diseases, so potable water treatment is one of the most challenging and complex systems in countries. Continuous monitoring for evaluation process in water treatment plant is important. This study aims to investigate performance evaluation of Qom water treatment plant to remove turbidity and coliform in 2005 - 2014. Materia...

بهرامی اصل, فرشاد, دهقانی, آناهیتا, زینال زاده, داریوش, فرزادکیا, مهدی, ندافی, کاظم, کرمانی, مجید,

Background and aims: Recently contact with bioaerosols has been presented as an important problem which endangers human being’s health. The aim of this investigation is to compare potential of separation of fungal aerosols in the air around Tehran’s Milad hospital, blood transfusion organization and waste water treatment plant of Tehran’s Shahrake Ghods. methods: this cross...

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