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Witco, Inc.

Year Submitted: 2003

Process: Cooling Towers

Industry: Chemical Manufacturing

Wastes Reduced: Wastewater

Equipment: Automated Controls

Location: Marshall TX

No. of employees: 60

Contact: Bill Childers

Phone: (903) 938-5141


Witco installed two automatic chemical controls for blowdown on cooling towers. The system maintains a set conductivity for the water in the tower. It saves water (and chemical additives) over periodically adding fresh water on a timed bases.

Environmental Benefits:

The system has reduced the quantity of blowdown water and chemical additive use by 50%. Approximately 720,000 gallons of water is saved per year.

Details of Reductions

Additional Information :

The two units purchased cost $2,000 each for a total of $4,000. At $0.001/gallon, water use savings amounted to $720 annually. More significantly, chemical additives were reduced saving $3,300 annually. Wastewater disposal costs for clean cooling tower water runs about $0.025/gallon, for a savings of $18,000.

Source: TCEQ

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