Reuse of wastewater is acquiring a more important role in the overall concept of water conservation management. Increasingly, reports of new applications of methods for reclaiming this vital resource appear to confirm this subject. Industrial wastewater resue is among those sources being considered more frequently.~(1, 2) Information on industrial waste stabilization pond (WSP) effluent recycling or reuse for cooling water purposes is virtually nonexistent. Oswald~3 has shown that, with proper design, industrial WSPs can achieve tertiary or even quaternary level effluent quality. An earlier study~4 demonstrated that degradation enhancement could be achieved in a series of industrial WSPs by recycling a portion of the secondary pond to the primary WSP in-fluent with pH adjustment and phosphorus addition.
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