نتایج جستجو برای: water treatment plant
تعداد نتایج: 2214160 فیلتر نتایج به سال:
background and objectives: although more than 90 percent of consumed water used in agricultural sector, water is the major limiting factor for agricultural development in iran. over the past few years increasing agricultural crop water productivity thorough deficit irrigation methods has been studied by agricultural researchers and planners. although lorestan province is one of the major produc...
the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...
because of the establishment of a sewage treatment plant in the city of isfahan in recent years, a study was undertaken to investigate the effect of this system in reducing the high prevalence of helminthiases. samples obtained from various parts of the plant and at different stages of processing were examined and it was found that the eggs of ascaris, trichostrongylus spp. and trichuris are fo...
Due to the availability of limited water resources in the country, it is necessary to use unconventional water. On the other hand, application of minerals such as Zeolite (Zo) is necessary to simulate plant growth and reduce the harmful effects of wastewater. The present study was conducted to investigate the effect of irrigation by wastewater with Zo on cotton (Gossypium herbaceum) based on a ...
T he City of Clearwater (City) owns and operates the reverse osmosis (RO) water treatment plant No. 1 (plant) that was originally constructed in 2003. Similar to many brackish water RO facilities, the City blends pretreated raw water with RO permeate to maximize production while minimizing operational costs. In the case of this plant, the City blends 1 mil gal per day (mgd) of pretreated blend ...
In order to improve the treatment processes of drinking water plant (DWTP) located near Butoniga reservoir in Istria (Croatia), a prediction quality index (WQI) was done. Based on parameters such as temperature, pH, turbidity, KMnO4, NH4, Mn, Al and Fe, calculation WQI conducted, while for models, along with mentioned parameters, O2, TOC UV254 were additionally used. Four models built predict t...
This study sought to assess Gweru’s water supply system from the source to the consumer to find out whether the water is safe for domestic purposes, mainly consumption. Water samples were taken from Gwenoro dam (raw water), Gwenoro treatment plant (treated water) as well as from GIS-generated random points of residential areas closest to Gwenoro and furthest from both the dam and the treatment ...
Background and purpose: Jajrood River is one of the major drinking water supply rivers in Tehran, so, the effects of climate change on its quantitative and qualitative resources are highly important. This study aimed at investigating the effect of climate change on organic carbon removal in Jajrood basin. Materials and methods: In this descriptive cross-sectional study, CanESM2 general circula...
this survey is carried out with the major objective of studying various water treatment plants in iran. the emphasis was on the plants being fed by surface water resources; also the clarification unit was taken as the major one among treatment processes. in this way 25 water treatment plants located in different cities of iran were studied from the point of view of technical specifications chem...
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