Gas phase adsorption process utilizing oxidized pitch-based acti

Details Gas phase adsorption process utilizing oxidized pitch-based acti Gas phase adsorption process utilizing oxidized pitch-based acti

1992-05-21

1999-12-07

Bos, Steven

Gas separation: processes

Solid sorption

Inorganic gas or liquid particle sorbed

95117, 95121, 95123, 95128, B01D 5342

Patent

active

059976136

ABSTRACT:
A gas phase adsorption process in which a gas phase containing water vapor or a basic gas is brought into contact with activated carbon fiber to adsorb the water vapor or basic gas. The activated carbon fiber comprises pitch-based oxidized activated carbon fiber having oxygen-containing functional groups and an oxygen content of 3-18% by weight, based on the weight of the fiber. The oxidized activated carbon fiber is prepared by oxidizing pitch-based activated carbon fiber having a specific surface area of 200-2500 m.sup.2 /g.

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