active sludge
McGraw-Hill Science & Technology Dictionary:
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active sludge
(′ak·tiv ′sləj)
(civil engineering) A sludge rich in destructive bacteria used to break down raw sewage.
McGraw-Hill Dictionary of Architecture & Construction:
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active sludge
A sludge, 3 which is rich in destructive bacteria; useful in breaking down fresh sewage.
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McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved.
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