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Enhanced Biodegradation of Polyaromatic Hydrocarbons in the Activated Sludge Process

Lynne J. Cardinal and Michael K. Stenstrom
Research Journal of the Water Pollution Control Federation
Vol. 63, No. 7 (Nov. - Dec., 1991), pp. 950-957
Stable URL: http://www.jstor.org/stable/25044092
Page Count: 8
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Enhanced Biodegradation of Polyaromatic Hydrocarbons in the Activated Sludge Process
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Abstract

Naphthalene and phenanthrene were degraded in a variant of the activated sludge process, called an enricher reactor system. In this system a second biological reactor is used to grow cells especially prepared to degrade the target compound. The cells are then added to the main reactor as a form of bioaugmentation. The new system showed enhanced removals and it is concluded that it is a promising way to improve activated sludge process efficiency.

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