Process for the production of molecular sieving carbon

Details Process for the production of molecular sieving carbon Process for the production of molecular sieving carbon

1990-03-09

1991-10-22

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Solid sorbent

Free carbon containing

264 293, 264 294, 264 296, 502418, 502437, C01B 3110, C01B 5304, B01J 2020

Patent

active

050595784

ABSTRACT:
A molecular sieving carbon characterized by (A) having a structure in which a number of spherical carbonaceous particles having a particle diameter of 0.8 to 120 micrometers overlap and coalesce three-dimensionally at random, (B) in which continuous pathways running three-dimensionally at random exist between a number of the carbonaceous particles, (C) in which a number of the carbonaceous particles have each a number of micropores communicating with the pathways existing between the particles, and (D) having a carbon content of at least 85% by weight. The molecular sieving carbon is useful for obtaining, for example, a nitrogen gas, oxygen gas or gaseous mixture enriched with either the nitrogen gas or the oxygen gas from a gaseous mixture containing the nitrogen gas and oxygen gas.

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patent: 4629476 (1986-12-01), Sutt, Jr.
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