IMPROVED ADSORPTIVE REFINING METHOD

Title:

IMPROVED ADSORPTIVE REFINING METHOD

Document Type and Number:

Japanese Patent JPS63278520

Kind Code:

A

Abstract:

A vapor phase purification process using a fixed adsorbent bed containing a zeolitic molecular sieve comprising zeolite crystals having the faujasite crystal structure and containing cations having a higher charge density than sodium cations, whereby regeneration of the bed is accomplished using purge gas streams at temperatures of from 55 DEG C. to 100 DEG C. The ability of the zeolite adsorbent to be regenerated at relatively very low temperatures permits the use of heat energy normally to low in intensity to be utilized and is thus usually waste energy.

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Inventors:

JIENII ROO PAI
ORAFU NIFUONTOFU
KIISU RENDOORU KURAAKU

Application Number:

JP5386788A

Publication Date:

November 16, 1988

Filing Date:

March 09, 1988

Export Citation:

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Assignee:

UNION CARBIDE CORP

International Classes:

B01D53/04; B01J20/16; B01J20/18; B01J20/34; (IPC1-7): B01D53/04; B01J20/18; B01J20/34

Domestic Patent References:

JPS6014936A

1985-01-25

Attorney, Agent or Firm:

Motohiro Kurauchi (1 outside)

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