METHOD AND APPARATUS FOR REMOVAL OF CONTAMINATES FROM REFINERY GAS

摘要

An apparatus (10) and method is disclosed for removal of contaminate(s) from a gas stream (11) in an oil or gas refinery using an absorber (16)-regenerator (26) process wherein a portion of the contaminate rich overhead gas (29) fro m the regenerator (26) is utilized to increase the partial pressure of the contaminate at the absorber (16) so as to enhance selective absorption of th e contaminate.