BOD REDUCTION - ENGINE & TRANSMISSION REBUILDING COMPANY

Biological Treatment Summary

The Situation

An engine and transmission rebuilding company located in Southwestern Indiana had a 250 mg/l BOD limit per day. They were running approximately 12,000 gallons of water and had approximately 900 mg/l of incoming BOD. The influent was composed of metals salts, oils and greases and numerous heavy metals.

The Solution

Bio-Form LLC recommended a biological treatment program utilizing OBT® Oil Degradation Treatment. The company started adding OBT in May 2001 and have been using the product ever since.

The Results

As of February 2003, the BOD was down to 25 mg/l. The system has stabilized and is less affected by shock loads. The oils and greases were at non-detectable limits.