CO-PRECIPITATION METHOD AND CATALYST THEREOF - FUNDACIO INSTITUT CATALA DINVESTIGACIO QUIM ICIQ

Title:

CO-PRECIPITATION METHOD AND CATALYST THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/013739

Kind Code:

A3

Abstract:

The present invention relates to a method for the preparation of a catalyst precursor comprising the steps of (i) co-precipitating a mixture of metal salts comprising copper acetate in the presence of urea to obtain a solid, (ii) separating the solid obtained in step (i), and (iii) calcinating the solid obtained in step (ii). The present invention also relates to a catalyst obtained from said catalyst precursor and compositions comprising said catalyst or said catalyst precursor, as well as their use in methanol synthesis or in the water gas shift reaction.

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Inventors:

URAKAWA ATSUSHI (JP)
PHONGPRUEKSATHAT NAT (TH)

Application Number:

PCT/EP2020/070329

Publication Date:

March 04, 2021

Filing Date:

July 17, 2020

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Assignee:

FUNDACIO INSTITUT CATALA DINVESTIGACIO QUIM ICIQ (ES)

International Classes:

B01J23/80; B01J35/00; B01J37/00; B01J37/03; B01J37/06; B01J37/08; C07C29/154

Domestic Patent References:

WO2013120711A1

2013-08-22

Foreign References:

CN109794276A	2019-05-24
CN101850254B	2012-03-21
CN106179360B	2018-09-04

Other References:

OREL ET AL: "Coprecipitation of copper/zinc compounds in metal salt-urea-water system", JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, ELSEVIER SCIENCE PUBLISHERS, BARKING, ESSEX, GB, vol. 27, no. 2-3, 19 November 2006 (2006-11-19), pages 451 - 455, XP005729600, ISSN: 0955-2219, DOI: 10.1016/J.JEURCERAMSOC.2006.04.071
ATAKE ET AL: "Catalytic behavior of ternary Cu/ZnO/Al"2O"3 systems prepared by homogeneous precipitation in water-gas shift reaction", JOURNAL OF MOLECULAR CATALYSIS A: CHEMICAL, ELSEVIER, AMSTERDAM, NL, vol. 275, no. 1-2, 29 August 2007 (2007-08-29), pages 130 - 138, XP022219968, ISSN: 1381-1169, DOI: 10.1016/J.MOLCATA.2007.05.040

Attorney, Agent or Firm:

J A KEMP LLP (GB)

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