CHA ALUMINOSILICATE AND PRODUCTION METHOD THEREFOR, AND EXHAUST GAS PURIFICATION CATALYST, EXHAUST GAS PURIFICATION APPARATUS AND EXHAUST GAS PURIFICATION METHOD USING SAME

WIPO Patent Application WO/2018/221194

A1

Provided are: a CHA aluminosilicate that exhibits an excellent thermal durability and can maintain a relatively high adsorption capacity and catalyst performance even in high-temperature environments or after exposure to high temperatures; and a method for producing this CHA aluminosilicate. The method according to the present invention for producing the CHA aluminosilicate is characterized by at least comprising: a step for preparing a mixture that contains a Si-Al element source containing at least an aluminosilicate having a silica/alumina ratio (SiO2/Al2O3) of at least 2 and less than 12, and that also contains a Si element source (but excluding Si element sources that correspond to the Si-Al element source), an alkali metal source, an organic structure directing agent, and water; and a step for subjecting this mixture to a hydrothermal treatment.

WO/2004/014798	MESOPOROUS AND MICROPOROUS ALUMINOSILICATES WITH HIGH CATALYTIC ACTIVITY IN ACID CATALYTIC REACTION AND METHOD FOR THE PRODUCTION THEREOF
WO/2005/063623	CHABAZITE-CONTAINING MOLECULAR SIEVE, ITS SYNTHESIS AND ITS USE IN THE CONVERSION OF OXYGENATES TO OLEFINS
JP4729484	EMM-3: New crystalline micropore material

TAKAGI YUKIO (JP)
SAITO KIYOHIKO (JP)
FUNABE SHINICHI (JP)
BANNO YASUYUKI (JP)
NAGATA MAKOTO (JP)

PCT/JP2018/018642

December 06, 2018

May 15, 2018

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N E CHEMCAT CORP (JP)

C01B39/48; B01D53/94; B01J29/76; F01N3/10

WO2016084845A1	2016-06-02
WO2017090382A1	2017-06-01

JP2012116747A	2012-06-21
JPH07145113A	1995-06-06

INABA, Yoshiyuki et al. (JP)

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