Texas Army National Guard

Year Submitted: 2003

Process: Antifreeze Recycling

Industry: Government Agency-Includes Military

Wastes Reduced: Coolant

Substance: Antifreeze

Equipment: Collant Purification System

Location: North Fort Hood TX

Contact: LTC Don Tryce

Phone: (512) 465-5001 ext 5717

Description:

A Glyclean ARS-100 unit was purchased in 1994 to recycle antifreeze. The unit is located at the Mobilization and Training Equipment Site, North Fort Hood, Texas.

P2 Application:

The Glyclean ARS-100 is designed to store and recycle up to 100 gallons of antifreeze in less than 30 minutes. It refines used ethylene glycol and water mixtures with an additive to neutralize acid and replace inhibitors to a like new condition. The unit incorporates two replaceable filters. The final filter is capable of removing suspended matter of 5 microns or larger. The unit has the ability to provide aeration for oxidation and removal of dissolved metals.

Environmental Benefits:

The ARS-100 unit is averaging 3,100 gallons per year.

Details of Reductions

Additional Information :

The ARS-100 unit cost $2,600 to purchase. Pure ethylene glycol is purchased at $4.50/gallon and mixed at a 50-50 ratio with water for antifreeze. Used antifreeze costs $.25/lb for disposal. Chemical additives are approximately $.18 per gallon of antifreeze processed. At these costs, the unit pays for itself after processing 460 gallons of antifreeze.

Source: TCEQ