This paper reviews and describes the methods currently used to reduce water pollution from chemical plants using waste minimization at the source and recycling when necessary.

Techniques, including process changes, equipment modifications, changes in operational set points, improved process control and automation are discussed.

The discussion focuses on AlliedSignal's successful experience using techniques of total quality management in reducing pollution at the source and through recycling. Examples are presented as to how management's commitment to waste minimization concepts, operator training and involvement, and team work helped in reducing significant plant's effluent emissions.

Ammonium sulfate, caprolactam, adipic acid, recycling, source reduction, waste minimization, quality teams, contact condenser
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© IWA Publishing 1994
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