Abstract
Water pollution legislation is now having a national impact on pollution control activities in the Dairy Industry. The legislative programs that are being enforced are establishing uniform standards throughout the 50 states to abate pollution. It is apparent that individual plants will be forced to evaluate their present operation in terms of reducing waste water. The waste water from dairy plants presents certain characteristics which make treatment difficult. The wastes are produced over a short period during the day and this presents peak loads to a treatment facility. The strength of waste water will also vary. Rather than the dairy plant constructing its own treatment facility, the predominant means of disposal is to discharge to a municipal sewer system. For this method of treatment, certain charges are made against the dairy plant to pay for operation of the facility. These charges are becoming substantial, dollarwise, because of the high strengths and volumes of waste water being treated daily. By collecting product/water rinsings from the HTST and CIP system waste water loads can be reduced. Further equipment augmentation to existing CIP systems results in additional reduction in daily water usage.
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