Removal of disinfection by-products in raw water using a biological powder-activated carbon system

Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Jie C LouBi H Chen

Abstract

This study investigates the removal efficiency of disinfection by-products (DBPs) in raw water at a water treatment plant using a biological powder-activated carbon system (BPACS). The presence of an excessive amount of DBPs has a large impact on the water quality of drinking water treated from the purification process. This study collected rapidly filtered water from an advanced water treatment plant for use in experiments on raw water. The removal efficiency of the trihalomethane formation potential (THMFP) and haloacetic acids formation potential (HAAFP) was studied under various hydraulic retention times and under organic DOC loadings. The results showed that the BPACS lowered the average concentration of dissolved organic carbon (DOC), UV(254) and the SUVA value (equivalent to UV(254)/DOC) in raw water. The system efficiently removed the THMFP and HAAFP during the treatment of the three primary organic carbon items. These results highlight the importance of the BPACS for efficiently treating disinfection by-products. These discoveries provide important information on biological degradation behaviors that can remove excessive amounts of disinfection by-products from drinking water.

References

Aug 26, 1998·Journal of the American College of Cardiology·P D JohnsonS J Goldberg
Jul 19, 2002·Environmental Research·Marie I CedergrenBengt A J Källen
May 19, 2009·Journal of Hazardous Materials·Chih-Huang WengTai-Wei Tzeng
May 21, 2010·Journal of Colloid and Interface Science·Xuyang LiuKristin L Jasinkiewicz

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Citations

Sep 12, 2014·International Journal of Environmental Research and Public Health·Yu-Hsiang Wang, Kuan-Chung Chen
Mar 1, 2013·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Charongpun Musikavong, Suraphong Wattanachira

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