Sample Record for Search: Water Pollution by Substance

Innovative Biological Perchlorate Removal
Gillogly, Thomas ; Lehman, Geno ; Adham, Samer ; Nerenberg, Robert ; Rittmann, Bruce
MWH, Pasadena, CA ; Northwestern University, Evanston, IL
2004 Inorganic Contaminants Workshop , Reno, NV , February 1-3, 2004 , 2004
Publisher: American Water Works Association
Availability: American Water Works Association
Notes: table, figures
Language: English
Document Type: Conf Proc

Abstract: The objective of this research was to investigate the application of a novel hydrogen-fed hollow-fiber membrane biofilm reactor (MBfR) for the removal of perchlorate. The removal of other potential co-contaminants is also being investigated. During initial bench-scale tests, it was demonstrated that 50 to 1000 ug/L perchlorate could be reduced to below the previous California Department of Public Health Services Advisor Action Level of 18-ug/L. At pilot-scale, the objective was to evaluate the application of a pilot-scale MBfR system to biologically reduce low-concentration perchlorate-contaminated water from an active groundwater well to below the current 4 ug/L CaDHS Action Limit. Simultaneous efforts were performed to characterize the microbial community and assess its ability to remove other oxidized compounds and potential co-contaminants including: bromate; chlorate; chlorite; chromate; selenate; selenite; chloroform; dichloro-methane; trichloroethane (TCA); and trichloroethene (TCE).

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