Patent ID: 6712885
Filing Date: 2004-03-30
Classification: B01D

Abstract:
An apparatus for removing H2O and siloxanes from a waste gas stream containing H2O and siloxanes, said apparatus comprising:a source of waste gas containing H2O and siloxanes, a primary heat exchanger, a first conduit providing flow communication for said waste gas from said source to said primary heat exchanger, a first gas-refrigerant heat exchanger, a second conduit providing flow communication for said waste gas from said primary heat exchanger to said first gas-refrigerant heat exchanger, a second gas-refrigerant heat exchanger, a third conduit providing flow communication for said waste gas from said primary heat exchanger to said second gas-refrigerant heat exchanger, and a valve for alternating the flow of said waste gas stream between said second conduit and said third conduit.