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A simple technique for estimating the contribution of abiotic mechanisms to the removal of synthetic organic chemicals by completely mixed activated sludge

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Abstract:

Estimation of the contribution of abiotic removal mechanisms, such as volatilization and sorption, to the overall removal of a synthetic organic chemical (SOC) by the activated-sludge process is often necessary. Recognition that the only effect of the abiotic mechanisms is to reduce the concentration of biomass involved in the biodegradation of the SOC provides the means for estimating that contribution. Knowledge of the fraction of the influent SOC concentration remaining in the effluent, the hydraulic and solids retention times, the mixed liquor suspended solids concentration, the volatilization rate coefficient, and the sorption coefficient allows rapid computation of the fractional removal resulting from the abiotic mechanisms.

Keywords: ABIOTIC REMOVAL; ACTIVATED SLUDGE; SORPTION; SYNTHETIC ORGANIC CHEMICALS; VOLATILIZATION

Document Type: Research Article

DOI: https://doi.org/10.2175/106143097X125984

Publication date: 1997-11-01

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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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