drinking water technology Articles
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Drinking water treatment technologies in Europe: state of the art – challenges – research needs
Eureau is the European Federation of National Associations of Water and Wastewater Services. At the request of Eureau Commission 1, dealing with drinking water, a survey was produced focusing on raw drinking water sources and drinking water treatment technologies applied in Europe. Raw water sources concerned groundwater, surface water, surface water with artificial recharge and river bank ...
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A computational fluid dynamics analysis of placing UV reactors in series
Ultraviolet (UV) light water treatment reactors are commonly used in both wastewater and drinking water disinfection. UV technology can effectively inactivate a large number of pathogens at low UV doses, however adenovirus requires a substantially higher dose than most pathogens of interest. In order to meet adenovirus inactivation requirements, UV reactors are often placed in series and the ...
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Emergency Rental Solutions for the Effective Treatment of Municipal Drinking Water. Case Study
As specialists in UV disinfection for the municipal drinking water market, atg UV Technology offer a range of mobile, containerised, turn-key UV disinfection plants and standard medium pressure systems. Designed to meet the requirements of the UK DWI (Drinking Water Inspectorate) February 2010 Guidelines on UV Disinfection for Potable Water Supplies, the atg UV Technology design provides a ...
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Application of solar disinfection for treatment of contaminated public water supply in a developing country: field observations
A sustainable and low-cost point-of-use household drinking water solar disinfection (SODIS) technology was successfully applied to treat microbiologically contaminated water. Field experiments were conducted to determine the efficiency of SODIS and evaluate the potential benefits and limitations of SODIS under local climatic conditions in Karachi, Pakistan. In order to enhance the efficiency of ...
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Aging evaluation of medium-pressure mercury lamps under typical operating conditions for drinking water disinfection applications
Little is known regarding how medium pressure (MP) ultraviolet (UV) lamps age under typical operating conditions, yet a number of assumptions regarding lamp aging are utilized when UV reactors are validated, often as unfounded approximations. This study was designed to evaluate the aging of MP UV lamps utilized with a closed-vessel UV reactor technology for drinking water disinfection ...
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A novel technology to improve drinking water quality using natural treatment methods in rural Tanzania
It is estimated that one billion people worldwide do not have access to treated drinking water. This paper reports on an investigation into the potential of indigenous or natural water treatment methods as alternatives to conventional chemical water treatment methods. The seeds of five natural plant species—Vigna unguiculata, Phaseolus mungo, Glycine max, Pisum sativam, and Arachis hypogea—were ...
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Drinking water standard revision catches up with UV-LED
New criteria for microbial reduction An international standard on drinking water treatment has been updated following developments and the roll-out of UV-LED (ultraviolet-light emitting diode) technology. NSF International, the body accredited by the American National Standards Institute (ANSI), has established new criteria for the use of UV-LED technology for microbial reduction. The standard ...
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Emerging Trends In UV Disinfection For Water Treatment
Introduction The UV disinfection industry has experienced tremendous growth over the last 20 years. The development of new UV technologies over this period has been a perfect example of an industry investing to meet market demand – in this case demand for an effective, low cost, and environmentally friendly disinfection technology. The acceptance of UV disinfection at water plants treating in ...
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