Drinking water disinfection techniques by Aniruddha Bhalchandra Pandit; Jyoti Kishen Kumar

By Aniruddha Bhalchandra Pandit; Jyoti Kishen Kumar

"This e-book successfully combines the chemical, actual, organic and engineering rules of water disinfection in a single textual content. Discussing either traditional and novel thoughts used for disinfection and the economics concerned, the publication provides a complete evaluate of varied actual, chemical, and hybrid strategies used for disinfection to create potable water, together with mode of motion, scale of operation, efficacy, benefits, and disadvantages. The authors spotlight their novel paintings on cavitation for water disinfection, a cheap, power effective, and straightforward substitute to the normal equipment of disinfection"-- learn more... content material: 1. advent -- 2. Chemical disinfection -- three. actual disinfection -- four. Hybrid concepts -- five. Cavitation-based disinfection options -- 6. Novel disinfection equipment -- 7. precis -- eight. difficulties. summary: "This booklet successfully combines the chemical, actual, organic and engineering ideas of water disinfection in a single textual content. Discussing either traditional and novel options used for disinfection and the economics concerned, the booklet provides a entire evaluate of assorted actual, chemical, and hybrid innovations used for disinfection to create potable water, together with mode of motion, scale of operation, efficacy, advantages, and disadvantages. The authors spotlight their novel paintings on cavitation for water disinfection, a cost-effective, power effective, and easy replacement to the traditional equipment of disinfection"

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51(1):1–5. L. (1991). Total coliform detection in drinking water: Comparison of membrane filtration with Colilert and Coliquik. Appl. Environ. Microbiol. 57(5):1535–1539. R. (1986). Microbiology, 5th ed. Singapore: McGraw-Hill Book Co. A. (1986). Comparison of Clark’s presence–absence test and the membrane filter method for coliform detection in potable water samples. Appl. Environ. Microbiol. 52(3):439–443. E. (1985). A new medium for the enumeration and subculture of bacteria from potable water.

Having understood the importance of mathematical tools in water disinfection by chemicals, the following sections describe the remarkable chemical methods used for water treatment, beginning with the most conventional and established process of chlorination. 3 Chlorination Chlorination is the most common water disinfection method that has been used for several decades globally. It is primarily used to destroy the pathogenic microorganisms in water. A secondary benefit of chlorination is odour removal to improve the quality of drinking water.

Disadvantages More complex; higher maintenance and expertise; high capital and operating cost; by-products generated may be difficult to monitor and control; additional maintenance of electrolytic cell. Weak disinfectant and oxidant; requires shipment and handling of ammonia and chlorinated compounds; ammonia is hazardous to human and aquatic life; longer contact times of 5 to 30 min. Inorganic by-products are formed (chlorite and chlorate); highly volatile residuals; requires on-site generation equipment and handling of chemicals (chlorine and sodium chlorite); high technical competence to operate and monitor equipment, product, and residuals; may pose odour and taste problems; high material (chlorite chemical) cost and hence operating cost.

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