Improved process for the recovery of hydrogen from gaseous mixtures rich in same

摘要

299,588. Johnson, J., Y., (I. G. Farbenindustrie Akt.-Ges.). Sept. 29, 1927. Separating gases by liquefaction; filtering.- Hydrogen is recovered from admixture with methane and other light hydrocarbons and catalyst poisons by cooling to temperatures above the liquefaction point of hydrogen and below that of the other constituents at a pressure above atmospheric, washing the gas by the liquid condensate thus produced, and finally passing it through a highly porous substance, which may be precooled, e.g. by the liquid condensates. Washing with other organic materials such as alcohols or ketones may be combined with the washing with the condensates. The porous mass may be active charcoal, silica or alumina gel, chabasite, lignite &c.