B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/20 (2006.01) C01B 13/02 (2006.01) C01B 31/08 (2006.01)
Patent
CA 2058521
PATENT - 211PUS04366 ABSTRACT Carbon molecular sieves, useful in the separation of air into oxygen and nitrogen, are improved through modification of the micropores of the sieve by contact with the pyrolysis products of a carbon-containing compound in the gaseous state diluted with helium, with or without nitrogen as a part of the diluting gas. Volatile organic compounds, such as trimethylcyclohexane, are used with the diluent gas to narrow the micropore openings of a carbon molecular sieve and increase its kinetic selectivity for oxygen adsorption. Carbon dioxide and helium or argon in the diluent gas are used to open pores available to contacting gases.
Armor John N.
Braymer Thomas A.
Farris Thomas S.
Gaffney Thomas R.
Air Products And Chemicals Inc.
Armor John N.
Braymer Thomas A.
Farris Thomas S.
Gaffney Thomas R.
LandOfFree
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