Impact of Upstream Wastewater Treatment Process Type on Downstream UV Disinfection Performance PDF Download
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Author: Robert Wayne Emerick
Publisher:
ISBN:
Category :
Languages : en
Pages : 330
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Author: Robert Wayne Emerick
Publisher:
ISBN:
Category :
Languages : en
Pages : 330
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Author: Jeannie Darby
Publisher:
ISBN: 9781893664104
Category : Disinfection and disinfectants
Languages : en
Pages : 90
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Jeannie Darby
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Frank Jean Loge
Publisher:
ISBN:
Category :
Languages : en
Pages : 164
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Author:
Publisher:
ISBN:
Category : Disinfection and disinfectants
Languages : en
Pages :
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Author: Michael H. Gerardi
Publisher: John Wiley & Sons
ISBN: 0471710423
Category : Science
Languages : en
Pages : 191
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Book Description
A practical guide to wastewater pathogens The fourth volume in Wiley's Wastewater Microbiology series, Wastewater Pathogens offers wastewater personnel a practical guide that is free of overly technical jargon. Designed especially for operators, the text provides straight facts on the biology of treatment as well as appropriate protective measures. Coverage includes: * An overview of relevant history, hazards, and organisms * Viruses, bacteria, and fungi * Protozoa and helminthes * Ectoparasites and rodents * Aerosols, foam, and sludge * Disease transmission and the body's defenses * Removal, inactivation, and destruction of pathogens * Hygiene measures, protective equipment, and immunizations
Author: R. McCawley
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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Book Description
![An Investigation of UV Disinfection Performance Under the Influence of Turbidity & Particulates for Drinking Water Applications [electronic Resource] PDF](https://books.google.com/books/content/images/frontcover/q6PBjwEACAAJ?fife=w80-h100)
Author: Liu, Guo
Publisher: University of Waterloo
ISBN:
Category :
Languages : en
Pages :
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UV disinfection performance was investigated under the influence of representative particle sources, including wastewater particles from secondary effluent in a wastewater treatment plant, river particles from surface water, floc particles from coagulated surface water, floc particles from coagulated process water in a drinking water treatment plant, and soil particles from runoff water (planned). Low-pressure (LP) and medium-pressure (MP) UV dose-response of spiked indicator bacteria E. coli was determined using a standard collimated beam apparatus with respect to different particle sources. Significant impacts of wastewater suspended solids (3.13~4.8 NTU) agree with the past studies on UV inactivation in secondary effluents. An average difference (statistical significance level of 5% or a=5%) of the log inactivation was 1.21 for LP dose and 1.18 for MP dose. In river water, the presence of surface water particles (12.0~32.4 NTU) had no influence on UV inactivation at all LP doses. However, when the floc particles were introduced through coagulation and flocculation, an average difference (a=5%) of the log inactivation was 1.25 for LP doses and 1.12 for MP doses in coagulated river water; an average difference (a=5%) of the log inactivation was 1.10 for LP doses in coagulated process water. Chlorination was compared in parallel with UV inactivation in terms of particulate impacts. However, even floc-associated E. coli were too sensitive to carry out the chlorination experiment in the laboratory, indicating that chlorine seems more effective than UV irradiation on inactivation of particle-associated microorganisms. In addition, a comprehensive particle analysis supported the experimental results relevant to this study.
Author: R. McCawley
Publisher:
ISBN:
Category :
Languages : en
Pages : 50
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