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Biodegradation of dichloromethane in a granular activated carbon fluidized-bed reactor

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A biological fluidized-bed reactor (FBR) containing biomass attached to granular activated carbon (GAC) was investigated for the treatment of aqueous-phase dichloromethane (DCM). The system was directly inoculated with fresh biomass solids collected from a General Electric Plastics wastewater treatment facility, located in Mount Vernon, Indiana. The biomass consumed DCM as its sole carbon and energy source following an acclimation period of approximately 8 days. Dichloromethane biodegradation rates in excess of 40 kg/m3 ยท d were achieved during continuous operation, with no detectable DCM (<1 mg/L) in the process effluent. Steady-state data were collected to enable process scale-up. This study confirmed that the biological GAC FBR is an environmentally acceptable waste treatment configuration for the destruction of aqueous-phase DCM.
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Keywords: ACTIVATED-SLUDGE INOCULATION; BIODEGRADATION; DICHLOROMETHANE; FLUIDIZED-BED REACTOR; GRANULAR ACTIVATED CARBON ADSORPTION; METHYLENE CHLORIDE

Document Type: Research Article

Publication date: 1998-01-01

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  • Water Environment Research (WER) is published monthly, including an annual Literature Review. A subscription to WER includes access to the latest content back to 1992, as well as access to fast track articles. An individual subscription is valid for 12 months from month of purchase.

    Water Environment Research (WER) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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