Pilot-Plant Treatment of a High-Strength Brewery Wastewater Using a Membrane-Aeration Bioreactor

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Abstract:

The membrane-aeration bioreactor is a small footprint modular process, suited to on-site treatment of high-organic-strength industrial wastewater. A pilot-plant membrane-aeration bioreactor was operated under completely mixed. low-flow, and plug-flow conditions during treatment of a high-strength brewery wastewater. Hydrophobic dead-end hollow fibers supplied pure oxygen in a bubbleless form to a biofilm attached to the shell side of the fibers. Biofilm development was rapid and fibers were e1eaned regularly to control excessive growth and sloughing. Organic removal rates of 27 kg total chemical oxygen demand/m3·d and removal efficiencies of 81% were achieved during plug-flow operation. Biodegradation of organic matter within the wastewater was almost exclusively (99.8%) carried out within the biofilm.

Keywords: FIXED BIOFILM; HOLLOW FIBER MEMBRANE; MEMBRANE-AERATION BIOREACTOR. BREWERY WASTEWATER; PURE OXYGEN

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/106143096X122492

Publication date: September 1, 1999

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  • 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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