Effectiveness of Bio-Activated Carbon Filtration and Ozonation on Control of Halo Acetic Acids Formation during Chlorination of Ganga River Water at Kanpur, India

Chlorinated water from River Ganga is the main source of drinking water in Kanpur, India. But, this water contains a significant amount of disinfection by-products (DBPs) that include haloacetic acids (HAAs) as a major contributor, which pose a carcinogenic risk on long-term ingestion. Therefore, in...

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Published inOzone: science & engineering Vol. 42; no. 1; pp. 24 - 35
Main Authors Naladala, Nagasrinivasa Rao, Singh, Rambabu, Venkatesh, A.S., Bose, P., K, Prasad Babu, Narayan, I. D.
Format Journal Article
LanguageEnglish
Published Abingdon Taylor & Francis 02.01.2020
Taylor & Francis Ltd
Subjects
Acids
Activated carbon
BAC-filtration
By products
Byproducts
Carcinogens
chlorination
Disinfection
Drinking water
Filtration
Ganga River water
HAAs formation
Haloacetic acids
Ingestion
Ozonation
Ozone
Rivers
Water treatment
India
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Summary:Chlorinated water from River Ganga is the main source of drinking water in Kanpur, India. But, this water contains a significant amount of disinfection by-products (DBPs) that include haloacetic acids (HAAs) as a major contributor, which pose a carcinogenic risk on long-term ingestion. Therefore, in order to control HAAs formation, different combinations of ozonation and bio-activated carbon filtration (BAC-filtration) were studied. The results elucidate that slight ozonation followed by BAC-filtration proved effective in reducing (75.8%) HAAs formation and meet the USEPA drinking standards. These findings open a path to explore cost-effective treatment techniques in continuous mode for safe drinking water.
ISSN:0191-9512
1547-6545
DOI:10.1080/01919512.2019.1604205