ultraviolet drinking water system Articles
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Implementing tier 2 analysis on biodosimetric test results
With both goals to develop a sizing program and an operation matrix the biodosimetric results of an in-line cross-flow reactor equipped with 6 medium pressure lamps were analyzed per the US EPA Ultraviolet Disinfection Guidance Manual (UVDGM) Tier 2 approach. Using a Tier 1 analysis was quickly ruled out for this reactor, as the surrogate microorganism used during biodosimetry was B. subtilis ...
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Closed-vessel vs. open channel - Case Study
Ultraviolet disinfection is now a standard feature in most waste water treatment systems and has also been adopted by the drinking water community. UV Systems Are Fast Becoming the Treatment of Choice Ultraviolet disinfection is now a standard feature in most wastewater treatment systems. UV has also been adopted by the drinking water community, as a barrier against the ...
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NIPH validated UV systems for floatel superior - Case study
Floatel Superior is a semisubmersible accommodation and construction support vessel, designed to meet the stringent rules and regulations for all year operation on the Norwegian Continental Shelf. Floatel Superior is a semisubmersible accommodation and construction support vessel. She is designed to meet the stringent rules and regulations for all year operation on the Norwegian ...
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US EPA UVGDM 2006 validated UV systems
As micro-organisms evolve, so too does their resistance against traditional methods of treatment. atg UV has developed a range of validated systems that fully comply with the requirements of the US EPA 2006 UVDGM (worlds' strictest validation standard). atg UV Technology has a range of UV systems that have been designed specifically for the drinking water industry, and are fully compliant with ...
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Next generation of UV systems to showcased at WEFTEC 2010
With atg UV Technology systems treating in excess of 5,000 m3/hr daily, Ultraviolet disinfection is no longer an ‘emerging' technology. atg UV Technology will be attending WEFTEC 2010, (Booth 1438) and in addition to exhibiting their wide selection of conventional UV disinfection systems and services, technical experts will be on hand to discuss their soon to be released new range of UVLX ...
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The PWN Water Supply Company North Holland
The PWN Water Supply Company located in the North Holland Province of the Netherlands, uses Trojan UV technology to provide an additional barrier to micropollutants. In addition, the UV system disinfects, inactivating chlorine-resistant pathogenic microorganisms. The drinking water treatment plant, located in Andijk, serves approximately a half a million people and treats up to 4,000 cubic ...
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Monitoring a high iron and manganese content borehole for hydrocarbons - Case Study
APPLICATION Monitoring a borehole for contamination from a known petroleum spill. CUSTOMER Water Company, UK PROBLEM The customer wished to monitor hydrocarbon levels in a borehole for drinking water. The customer had attempted to use a UV based system but found that the system would only last a matter of a few days before ferric and manganese deposits stopped the system from ...
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Anglian water Cryptosoridium outbreak - Case Study
Pitsford Drinking Water Site, England In June 2008, a rabbit was located in the wash water tank at the Pitsford Drinking Water Plant of Anglian Water, leading to contamination of the treatment works with Cryptosporidum, a chlorine resistant parasitic micro-organism. The parasite was detected on June 24 and, following consultation with health and local authorities, a notice to boil drinking water ...
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New DWI guidelines for UV drinking water disinfection
atg UV, has seen increasing interest in the application of UV systems for the treatment of drinking water applications since the UK Drinking Water Inspectorate (DWI) released their ‘Guidance on the use of Ultraviolet (UV) Irradiation for the Disinfection of Public Water Supplies' February 2010. With systems treating in excess of 2000 m3/hr daily, Ultraviolet disinfection is no longer an ...
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Impact of AOC and chlorine residual on regrowth of microbes in a model distribution system receiving UV-treated potable water
The microbial ecology of distribution systems is complex and is influenced by a number of factors. This study assessed whether or not during drinking water treatments it is important to add a chemical disinfectant after ultraviolet (UV) disinfection in order to control the regrowth of microbes in distribution systems. Results showed that low UV doses did not impact assimilable organic carbon ...
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LIT UV-system at Lofoten archipelago.
LIT UV-system at Lofoten archipelago. The company UNIK in Norway has been successfully selling LIT UV-systems for almost four years. The company is based in Os, which is close to the town of Bergen. Earlier this year UNIK has sold and installed two LIT UV-systems in the Nusfjord water treatment plant. A technically good offer, respected references and good technical skills have finally ...
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Shining a Light on the Food and Beverage Industry
As published in this months edition of Process & Control, Diane White discusses how UV systems can provide a practical, power saving alternative to pasteurisation in food and beverage production Waterborne micro-organisms are responsible for adverse effects on flavour, colour, odour and shelf life of products and, of course, potential health risks to consumers. A number of emerging ...
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