Disclosed is a Safe, Economical and Environmental friendly process of Recovery of ethylene oxide gas exhausted from sterilization chambers. The process recovers ethylene oxide gas from the exhaust which otherwise would be treated and converted to a secondary effluent. The recovery of ethylene oxide is achieved by condensing the exhaust gases at a temperature lower than boiling point of ethylene oxide. The rate of recovery will be 75% to 95%. The reuse of ethylene oxide reduces the cost of sterilization cycle, as ethylene oxide is a major consumable gas in sterilization cycle. The recovery process reduces the effluent burden of ethylene oxide on environment. The process is a totally closed loop system free of moving parts and electrical accessories and can be safely installed in a ex-proof/hazardous operating area. The recovery system reduces the input parameter variation to the treatment systems, making them work at designed efficiencies. It is possible to do away with extensive treatment systems with simple treatment equipments when the recovery system is in place, resulting in valuable energy savings.
