نتایج جستجو برای: water and wastewater company

تعداد نتایج: 16945892  

Journal: :health scope 0
jalaleddin mollaei department of environmental health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran seyed bagher mortazavi department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran. tel: +98-2182883845, fax: +98-2182883845 ahmad jonidi jafari department of environmental health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of environmental health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran

background detergents and difficulties of their presence in the water and wastewater cause various problems such as foam production, anomalies in the growth of algae, and accumulation and dispersion in aqueous environments. objectives the aim of this study was to examine and compare the moving bed biofilm reactor with another reactor without media (carries) for anionic surfactants removal. mate...

Journal: :محیط شناسی 0
حسین کلهر دانشگاه تربیت مدرس حسین گنجی دوست داتشگاه تربیت مدرس- دانشکده مهندسی عمران و محیط زیست- گروه محیط زیست (آب و فاضلاب) بیتا آیتی دانشگاه تربیت مدرس

introduction water scarcity has led to the search for alternative water resources. one solution is the recycling of wastewater for irrigation. wastewater treatment is often based on biological systems such as activated sludge or other engineered units in urban areas. in rural areas, low-cost, environmentally-friendly alternative treatments such as constructed wetlands (cw), are more common. cws...

Journal: :jundishapur journal of health sciences 0
amirreza talaiekhozani department of civil engineering, jami institute of technology, isfahan, ir iran; department of civil engineering, jami institute of technology, isfahan, ir iran. tel: +98-3152636319 marzieh bagheri department of chemical engineering, jami institute of technology, isfahan, ir iran mohammad reza talaei department of chemical engineering, faculty of engineering, university of isfahan, isfahan, ir iran nematollah jaafarzadeh environmental technologies research center, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

conclusions to solve the above mentioned difficulties, fundamental study most be carried out to discover the novel methods of ferrate(vi) production, focusing on increasing the product stability and the production yield. results despite the existence of these technologies, there is no full-scale application of ferrate(vi) in the water and wastewater industry which it is due to difficulties asso...

معروفی, صفر , پارسافر, نصرالدین,

Whenever good quality water is scarce, treated municipal wastewater will be considered for using in agriculture. In this research, raw and treated wastewater from Serkan Wastewater Treatment Plant, Hamadan province, Iran, were used to determine the transfer coefficient of Fe, Ni and Mn from soil to plant and some soil properties in potato cultivation under lysimetric conditions. Irrigation trea...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

Journal: :نشریه بازیافت آب 0
امید گلشیری تهران، دانشگاه صنعتی امیرکبیر، دانشکدة عمران- محیط زیست سید محمدرضا علوی مقدم تهران، دانشگاه صنعتی امیرکبیر، دانشکدة عمران- محیط زیست

in addition to technical, economic and environmental factors, public acceptance plays an important role in successful treated wastewater reuse projects. the aim of this study is to evaluate yazd citizens’ awareness regarding water and wastewater issues and public acceptance towards wastewater reuse by questionnaire-type survey. for this purpose 250 questionnaires were distributed and filled out...

2010
Kanlaya Wongworapat Rassamee Keawvichit Pachern Putsyanant Banyong Khantawa Adung Silprasert Seni Karnchanawong

An attempt to use treated wastewater for agriculture in the Chiang Mai area was made, but the re-use process had to be performed under a condition that limited the risks liable to leave pathogens present in the water. The objective of our study was to examine the intestinal parasites and enteric bacteria in the wastewater and treated wastewater from the Chiang Mai University campus as well as t...

Journal: :international journal of advanced biological and biomedical research 2013
ehsan kashani

collection and reuse of wastewater and sewage in agriculture, natural resources and green environment is one way to conserve water resources and environmental. the aim of this study were to investigate the effects of wastewater sirjan golgohar industrial on the characteristics of cultivated soils in several species of pasture trees. this study was performed at the sirjan city which is located i...

Journal: :international archives of health sciences 0
hoseindoost gh. “environment health engineering department, health faculty” and “social determinants of health research center”, kashan university of medical sciences, kashan, iran nasseri s. environment health engineering department, health faculty, tehran university of medical sciences, tehran, iran ehsanifar m. environment health engineering department, health faculty, iran university of medical sciences, tehran, iran sabuhi h. english department, modern languages faculty, isfahan islamic azad university, khorasgan branch, isfahan, iran rabbani d. environment health engineering department, health school, kashan university of medical sciences, pezeshk boulevard, kashan, iran

aims: textile wastewaters are the most important health and environmental problems in kashan. this research was aimed to compare the poly aluminum chloride and chlorinated cuprous efficiency for removal of chemical oxygen demand (cod) and color from kashan textile industries company wastewater. materials & methods: this experimental bench scale study in a batch system was conducted on 20 compos...

Journal: :نشریه بازیافت آب 0
عباس المدرس اصفهان، دانشگاه اصفهان، دانشکدة علوم، گروه زیست شناسی

sweet sorghum that is adapted to the country hot and dry climatic condition, was selected as a raw material for biofuel and biogas production. bioethanol is produced from sweet sorghum stalks and grains and biogas is produced from its byproducts. the purpose of this study was to plant sweet sorghum irrigated with different qualities of water in order to produce biofuels. this experiment was con...

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