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Wastewater Pathogens

2004-10-28 Science
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Release : 2004-10-28
Genre : Science
Kind : eBook
Book Rating : 423/5 ( reviews)

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Book Synopsis Wastewater Pathogens by : Michael H. Gerardi

Download or read book Wastewater Pathogens written by Michael H. Gerardi. This book was released on 2004-10-28. Available in PDF, EPUB and Kindle. Book excerpt: 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

Wastewater Microbiology

2011-06-09 Science
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Release : 2011-06-09
Genre : Science
Kind : eBook
Book Rating : 150/5 ( reviews)

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Book Synopsis Wastewater Microbiology by : Gabriel Bitton

Download or read book Wastewater Microbiology written by Gabriel Bitton. This book was released on 2011-06-09. Available in PDF, EPUB and Kindle. Book excerpt: Wastewater Microbiology focuses on microbial contaminants found in wastewater, methods of detection for these contaminants, and methods of cleansing water of microbial contamination. This classic reference has now been updated to focus more exclusively on issues particular to wastewater, with new information on fecal contamination and new molecular methods. The book features new methods to determine cell viability/activity in environmental samples; a new section on bacterial spores as indicators; new information covering disinfection byproducts, UV disinfection, and photoreactivation; and much more. A PowerPoint of figures from the book is available at ftp://ftp.wiley.com/public/sci_tech_med/wastewater_microbiology.

Wastewater Bacteria

2006-04-20 Science
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Release : 2006-04-20
Genre : Science
Kind : eBook
Book Rating : 899/5 ( reviews)

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Book Synopsis Wastewater Bacteria by : Michael H. Gerardi

Download or read book Wastewater Bacteria written by Michael H. Gerardi. This book was released on 2006-04-20. Available in PDF, EPUB and Kindle. Book excerpt: A practical guide to wastewater bacteria and the roles they perform in wastewater treatment Communicating material in a practical manner for operators and technicians who regulate and troubleshoot their wastewater treatment processes, Wastewater Bacteria discusses the effective control and proper operation of aerobic (activated sludge) and anaerobic (anaerobic digesters) biological treatment units to ensure that an adequate, active, and appropriate population of bacteria is present in each treatment unit. It is a hands-on guide to understanding the biology and biological conditions that occur at each treatment unit. Avoiding unnecessary technical jargon and chemical equations, Wastewater Bacteria, the fifth book in the Wastewater Microbiology Series, explores and explains: * Bacteria and the wastewater environment * Enzymes and sludge production * Nitrogen, phosphorus, and sulfur bacteria * Floc formation and filamentous organisms * Nitrification and denitrification * Sulfate reduction, fermentation, and methane production * Toxicity * Foam and malodor production The goal of Wastewater Bacteria is to enable plant operators to achieve the twofold basic objectives of wastewater treatment-to degrade organic wastes to a level where a significant, dissolved oxygen demand is not exerted upon receiving waters and to remove nutrients to levels where photosynthetic organisms in receiving waters are limited in their growth. This straightforward manual equips plant technicians to meet these objectives with essential information to understand the biological processes and organisms involved in wastewater treatment.

Reduction of Pathogens, Indicator Bacteria, and Alternative Indicators by Wastewater Treatment and Reclamation Processes

2005-04-30 Science
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Release : 2005-04-30
Genre : Science
Kind : eBook
Book Rating : 307/5 ( reviews)

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Book Synopsis Reduction of Pathogens, Indicator Bacteria, and Alternative Indicators by Wastewater Treatment and Reclamation Processes by : Joan B. Rose

Download or read book Reduction of Pathogens, Indicator Bacteria, and Alternative Indicators by Wastewater Treatment and Reclamation Processes written by Joan B. Rose. This book was released on 2005-04-30. Available in PDF, EPUB and Kindle. Book excerpt: In wastewater reclamation systems, microbiological monitoring is conducted to ensure that the users of reclaimed water are exposed to minimal risks from exposure to pathogens. Typically, utilities rely on the use of process controls to remove or inactivate pathogens. Routine monitoring of indicator organisms is conducted to evaluate overall process performance and for regulatory compliance. However, the effectiveness of individual treatment processes for removal of pathogens is dependent on process variables. This project was conducted to compare the effectiveness of biological treatment, filtration, and disinfection for removal of bacterial and viral indicators, enteric viruses, and protozoan pathogens. Six full-scale treatment facilities were each sampled a minimum of four times over a one year period. The relative impacts of loading conditions, process design, and operating parameters on the removal/inactivation of a suite of nine microbial species (bacteria, coliphages, enteric viruses, and protozoan pathogens) was evaluated. Bacterial removal was consistent for all types of biological systems, however, increased virus removal was associated with biological nutrient removal and nitrification processes. Parasite removal was highly variable. The effectiveness of filtration was impacted most by the use of upstream chemicals (either chlorine or coagulant chemicals). Chlorine disinfection was more effective in cases where ammonia levels were low (biological nutrient removal or nitrification facilities). Infectivity assays for protozoan pathogens suggest that the proportion of infective cysts or oocysts increases with increasing level of treatment.

Environmental Regulations and Technology

1999 Sewage sludge
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Release : 1999
Genre : Sewage sludge
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Environmental Regulations and Technology by : United States. Environmental Protection Agency. Office of Research and Development

Download or read book Environmental Regulations and Technology written by United States. Environmental Protection Agency. Office of Research and Development. This book was released on 1999. Available in PDF, EPUB and Kindle. Book excerpt:

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