نتایج جستجو برای: potable water treatment

تعداد نتایج: 1893542  

2016
Chandra B. Patel Rishi Shanker Vijai K. Gupta Ram S. Upadhyay

The availability of safe and pristine water is a global challenge when large numbers of natural and anthropogenic water resources are being depleted with faster rate. The remaining water resources are severely contaminated with various kinds of contaminants including microorganisms. Enterobacter is one of the fecal coliform bacteria of family Enterobacteriaceae. Enterobacter was earlier used as...

2009
Patrick A. Ray Paul H. Kirshen Richard M. Vogel

When addressing urban water problems, it is no longer adequate to consider issues of water supply, demand, disposal, and reuse independently. Innovative water management strategies and opportunities for water reuse can only be properly evaluated in the context of their interactions with the broader water system. An integrated linear deterministic optimization model is applied to Beirut, Lebanon...

Background: Providing safe drinking water has critical importance to human societies. The aim of this study was to investigate microbiological quality of drinking water in distribution system of urban and rural regions of Ijroud, in Zanjan province.   Materials and Methods: In present descriptive study, the microbiological examination of drinking water was conducted in 15 facilities with...

Journal: :Communicable diseases intelligence quarterly report 2002
Rodney C Givney

The associated educational institution had reported the growth of a faecal coliform on inhouse testing from its potable reticulated water supply sampled on 9 March 1999 after the repair of a damaged water pipe. On the advice of the Environmental Health Branch of the Department of Human Services, South Australia (DHS SA) water from the suspected system was boiled before consumption until further...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Garth T Llewellyn Frank Dorman J L Westland D Yoxtheimer Paul Grieve Todd Sowers E Humston-Fulmer Susan L Brantley

High-volume hydraulic fracturing (HVHF) has revolutionized the oil and gas industry worldwide but has been accompanied by highly controversial incidents of reported water contamination. For example, groundwater contamination by stray natural gas and spillage of brine and other gas drilling-related fluids is known to occur. However, contamination of shallow potable aquifers by HVHF at depth has ...

2017
Monica Brienza Ioannis A. Katsoyiannis

Water scarcity and water pollution is a worldwide problem and has driven research into eco-friendly and low-energy cost efficient remediation. The reuse of wastewater for non-potable purpose after proper treatment is the only sustainable solution to the problem. Advanced oxidation processes (AOP) based on the in-situ generation of hydroxyl radicals have been intensively investigated for this pu...

Atefeh Jaleilzadeh Mahdi Toosi Marzyeh Ghaesari Mohammad Safari Zahra Soleimani,

One of the great concerns of potable water consumers regarding its quality is the pollution of potable water with pathogenic microorganisms. Fungi in drinking water are responsible for changing the taste and odor of water. Health problems are possible, originating from mycotoxins, animal pathogens and allergies. Water samples were collected between December 2014 and June 2015 from different sit...

Journal: :Annals of agricultural and environmental medicine : AAEM 2010
Jacek Sroka Angelina Wojcik-Fatla Jolanta Szymanska Jacek Dutkiewicz Violetta Zajac Jacek Zwolinski

A total of 254 humans and 489 domestic animals living on farms in the Lublin province (eastern Poland) were examined for the presence of antibodies against Toxoplasma gondii using, respectively, the ELFA and direct agglutination tests. In parallel, 182 samples of potable water, mostly from shallow household wells, were taken on farms and examined for the presence of T. gondii by microscopy and ...

2015
Holly Ann Williams Joanna Gaines Molly Patrick David Berendes David Fitter Thomas Handzel Martyn Kirk

The international response to Haiti's ongoing cholera outbreak has been multifaceted, including health education efforts by community health workers and the distribution of free water treatment products. Artibonite Department was the first region affected by the outbreak. Numerous organizations have been involved in cholera response efforts in Haiti with many focusing on efforts to improve wate...

2014
Gomotsegang F. Molelekwa Murembiwa S. Mukhola Bart Van der Bruggen Patricia Luis

Ultrafiltration (UF) systems have been used globally for treating water from resources including rivers, reservoirs, and lakes for the production of potable water in the past decade. UF membranes with a pore size of between 0.1 and 0.01 micrometres provide an effective barrier for bacteria, viruses, suspended particles, and colloids. The use of UF membrane technology in treating groundwater for...

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