multiple pass

Glossary “multiple pass” Definition:
Applies to a recovery/recycle unit that removes refrigerant from an A/C system and circulates it through the recovery/recycle unit to remove contaminates.


Glossary “MTBE” Definition:
Methyl Tertiary Butyl Ether. An ether manufactured by reacting methanol and isobutylene. The resulting ether is higher in octane and lower in volatility. MTBE is a fuel oxygenate and is permitted in unleaded gasoline up to a level of 15%.