Title:
LOW TEMPERATURE N2 ADSORBENT AND SEPARATION OF O2 AND N2 FROM MIXED GAS USING SAID ADSORBENT
Document Type and Number:
Japanese Patent JPS58196847
Kind Code:
A
Abstract:
PURPOSE: To obtain an adsorbent increased in an adsorbing amount and enabled in the maintenance of a N2 adsorbing speed, as a low temp. N2 adsorbent, by a method wherein the part of Na-A type zeolite is exchanged with Ca while Al is added thereto.
CONSTITUTION: As a low temp. N2 adsorbent, one wherein 15% or more ion exchangeable Na of Na-A type zeolite is exchanged with Ca and one wt% or more based on the wt. of Na-A type zeolite of trivalent Al is added to said zeolite is used. Thus obtained adsorbent is increased in a N2 adsorbing amount under a low temp. condition and the maintenance of a N2 adsorbing speed within a practical range is enabled.
Inventors:
IZUMI JIYUN
Application Number:
JP7657282A
Publication Date:
November 16, 1983
Filing Date:
May 10, 1982
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B01D53/04; B01D53/02; B01J20/18; C01B13/02; C01B21/04; (IPC1-7): B01D53/02; B01J20/18; C01B13/02; C01B21/04
Domestic Patent References:
| JP40026246A | ||||
| JPS56169122A | 1981-12-25 |
Attorney, Agent or Firm:
Akira Uchida