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    • Sensor Technology for Water Quality Monitoring

    Okładka - Sensor Technology for Water Quality Monitoring Autor: D. Connolly
    Wydawnictwo: IWA Publishing
    Data wydania: 2005
    Kategoria:
    ISBN: 978-1-84339-725-0
    Ilość stron: 0
    Cena : 514.5 zł
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    The main objective of this project is to demonstrate that the technology of on line monitoring of waterborne metals by X-ray Fluorescence (XRF) at part per billion (ppb) and sub-ppb levels, which has been successfully applied in the power industry for several years, can be applied to water and wastewater treatment plants. A specially designed on line XRF monitor was assembled, tested in the laboratory, and used at the City of Alliance, Ohio Wastewater and Water Treatment Plants from July 2002 until March 2004. At various więcej...

    Case Studies of Modified Treatment Practices for Disinfectio

    Okładka - Case Studies of Modified Treatment Practices for Disinfectio Autor: Krasner
    Wydawnictwo: IWA Publishing
    Data wydania: 2004
    Kategoria: popularnonaukowe
    ISBN: 978-1-84339-854-7
    Ilość stron: 0
    Cena : 577.2 zł
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    Utilities must decide whether to modify their existing treatment practices to achieve compliance with the D/DBP regulations. A regulatory impact analysis predicted that up to 70% of large surface-water systems would need to make some treatment modifications. Meeting multiple water-quality objectives plays an important role in the decision-making process of water utilities. Utilities must meet other regulatory requirements and secondary drinking-water standards. In addition, there are operational, financial, and engineering więcej...

    Chemical Occurrence Data Sets for Source Water Assessments

    Okładka - Chemical Occurrence Data Sets for Source Water Assessments Autor: Stevens
    Wydawnictwo: IWA Publishing
    Data wydania: 2004
    Kategoria: popularnonaukowe
    ISBN: 978-1-84339-865-3
    Ilość stron: 0
    Cena : 577.2 zł
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    The product of this research has extensive application to the drinking water and regulatory communities for assessing source waters, enriching the ability to assemble and evaluate all existing and readily available water quality-related data and information. Specifically, this project documented chemical data stored in a variety of databases and provided a mechanism to access it and the associated metadata. The online tool, Source Water Quality Database, provides information on water quality data related to chemical occurrence więcej...

    Impact of Water Quality on the Inactivation of Bacterial

    Okładka - Impact of Water Quality on the Inactivation of Bacterial Autor: Mysore
    Wydawnictwo: IWA Publishing
    Data wydania: 2004
    Kategoria: popularnonaukowe
    ISBN: 978-1-84339-875-2
    Ilość stron: 0
    Cena : 577.2 zł
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    The results from this research affirmed the fact that inactivation of microorganisms by chemical disinfectants is influenced by disinfection, microbial, and water quality factors and the various interactions between these factors. The results showed that for all disinfectants, temperature is a key parameter that influences disinfection efficiency. The effect of turbidity was generally of less importance than pH and temperature. The safety factors (1.5 to 2.0) that are applied in the USEPA Ct tables should be satisfactory więcej...

    Impact of UV Disinfection on Biological Stability

    Okładka - Impact of UV Disinfection on Biological Stability Autor: Gagnon
    Wydawnictwo: IWA Publishing
    Data wydania: 2005
    Kategoria: popularnonaukowe
    ISBN: 978-1-84339-894-3
    Ilość stron: 0
    Cena : 577.2 zł
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    577.2 zł

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    Interest in UV disinfection has increased significantly in recent years, due its ability to inactivate Cryptosporidium parvum. Although UV disinfection shows significant promise for inactivation of Cryptosporidium, very few investigations have examined the impact of UV disinfection on biological stability in distribution systems. Biologically stable water is defined as drinking water that does not promote the growth of microorganisms and is typically achieved either through the removal of substrate and/or by providing a więcej...

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