ADSORBENT - NGK INSULATORS LTD

Title:

ADSORBENT

Document Type and Number:

WIPO Patent Application WO/1998/030325

Kind Code:

A1

Abstract:

An adsorbent which has higher thermal and hydrothermal resistances than those of adsorbents containing zeolite (aluminum silicate) having an identical or higher Si to (Fe + Al) molar ratio (substantially free from Fe) and, even when exposed to a high temperature, can maintain adsorbing properties. The adsorbent comprises a type $g(b) silicate molecular sieve which contains at least Fe besides H, O, and Si and, when Al is contained, has a higher Fe content by mole than the Al content.

Inventors:

YAMAMOTO AZUMA (JP)
TAKAHASHI AKIRA (JP)
HIRAMATSU TAKUYA (JP)

Application Number:

PCT/JP1998/000004

Publication Date:

July 16, 1998

Filing Date:

January 06, 1998

Export Citation:

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Assignee:

NGK INSULATORS LTD (JP)
YAMAMOTO AZUMA (JP)
TAKAHASHI AKIRA (JP)
HIRAMATSU TAKUYA (JP)

International Classes:

B01D53/02; B01D53/72; B01D53/81; B01D53/34; B01J20/10; B01J20/18; (IPC1-7): B01J20/18; B01D53/02; C01B39/06

Foreign References:

JPH05220403A	1993-08-31
JPH0810613A	1996-01-16
JPH07185326A	1995-07-25
JPH0999207A	1997-04-15

Other References: