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Case Study Database

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Chem-Pruf Door Company

Year Submitted: 2003

Process: Parts Cleaning

Industry: Plastics

Wastes Reduced: Hazardous waste

Substance: Acetone

Equipment: Distillation

Location: Brownsville TX

No. of employees: 40

Contact: William V. Pitt

Phone: (210) 544-1000



Description:

Chem-Pruf Door manufactures fiberglass reinforced plastic doors, frames, windows and industrial louvers. Chem-Pruf Door has implemented a strategy to minimize all wastes or chemical releases from their operations. Acetone is used as a solvent and cleaner throughout the facility. Chem-Pruf Door developed an acetone management program to reduce acetone releases. It receives new acetone in tote containers, eliminating drums and minimizing potential spills. Distribution of new acetone to workers is controlled. All acetone containers in the facility are closed to limit losses from evaporation. Spent acetone is collected at each work station daily, distilled, and made available for reuse the next day. New acetone is used only to replenish quantities consumed in manufacturing. The still bottoms left over from recycling acetone are crushed and reused as fillers in new production.

P2 Application:

The distillation technology used to recover the acetone is not new. Chem-Pruf Door had to initiate minor process changes and train employees on the new operating requirements. The major factor in the success of this project was the company's commitment.

Environmental Benefits:

Chem-Pruf Door has significantly reduced its releases of acetone. By controlling its issuance and managing air emissions, it has reduced acetone releases by 13,000 pounds per year

Details of Reductions

Additional Information :

Chem-Pruf Door purchased a solvent distillation system capable of processing 55-gallons per day. It now processes 20 to 30 gallons of spent acetone daily. The recycled acetone has reduced its new acetone requirements by 2,000 gallons per year. Payback on the system was less than 10 months.

Source: TCEQ



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