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A Midwestern Chicken processing plant generates approximately 2.0 million gallons of process wastewater per day high in BOD, Oil & Grease and Ammonia. Wastewater is processed utilizing both primary and secondary treatment. Secondary treatment is a two stage activated sludge system utilizing an anoxic zone as the first stage. Single stage nitrification is utilized to convert ammonia to nitrates. Caustic Soda was historically used to control pH and maintain sufficient alkalinity in the system for nitrification. The wastewater is clarified in a gravity clarifier prior to discharge directly to a river.
The plant had been using 50% Caustic Soda for an alkalinity source and pH control for years. The plant was converted to Aries Chemical Magnesium Hydroxide which provided the following benefits to their wastewater treatment operation:
For further information on Magnesium Hydroxide, contact your Aries Chemical Representative or the Beaver Falls office @ (315) 346-1489. Also view a printable version of this Magnesium Hydroxide Case Study.
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