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E. I. du Pont de Nemours & Co., Inc.

Year Submitted: 2003

Process: Wastewater Treatment

Industry: Cement Manufacturing

Wastes Reduced: VOC Emissions

Location: La Porte TX

No. of employees: 1100

Contact: Linda Stegeman

Phone: (713) 470-3753


Stripping, which effectively removes VOC's from wastewater is being used to remove organics (mostly dichloromethane) from a 30-50 gpm wastewater stream. The stripped organics are treated in our RCRA permitted incinerator and the remaining wastewater is treated in our NPDES permitted biotreatment system after testing for organic content. The facility consists of two pretreatment storage tanks, a stean stripper and two post treatment storage tanks.

Details of Reductions

Additional Information :

Since starting up this unit our TRI reported air emissions of dichloromethane from the site have been reduced from over 475,000 pounds to less than 84,000 pounds.

Source: TCEQ

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