GB1224458A - Preparation of low surface area catalysts - Google Patents

Preparation of low surface area catalysts

Info

Publication number
GB1224458A
GB1224458A GB2778269A GB2778269A GB1224458A GB 1224458 A GB1224458 A GB 1224458A GB 2778269 A GB2778269 A GB 2778269A GB 2778269 A GB2778269 A GB 2778269A GB 1224458 A GB1224458 A GB 1224458A
Authority
GB
United Kingdom
Prior art keywords
catalyst
kaolin
june
combining
alkali metal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2778269A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WR Grace and Co filed Critical WR Grace and Co
Publication of GB1224458A publication Critical patent/GB1224458A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Catalysts (AREA)

Abstract

1,224,458. Cracking catalysts. W. R. GRACE & CO. 2 June, 1969 [26 June, 1968], No. 27782/69. Heading B1E. Zeolite promoted clay containing SiO 2 -Al 2 O 3 cracking catalysts having surface areas of 100-275 m<SP>2</SP>/gm. are made by (a) felling an alkali metal silicate solution containing clay with acid (b) aging the gelled solution (c) combining the aged solution with an aluminium salt (d) combining the mixture with a crystalline zeolite promoter (e) washing and drying the product to produce a particulate catalyst having an alkali metal oxide content below 1% by weight, characterised by adding sufficient acid to the silicate solution of step (a) to effect gelation within a period of from 5 to 90 minutes. Other physical properties, e.g. particle size and pore size of catalyst particles are disclosed. Specified clays are Kaolin, halloysite, bentonite and meta-Kaolin. The preferred promoter is fanjasite. In examples the catalyst is subjected to ion-exchange wih a rare earth salt.
GB2778269A 1968-06-26 1969-06-02 Preparation of low surface area catalysts Expired GB1224458A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74008768A 1968-06-26 1968-06-26

Publications (1)

Publication Number Publication Date
GB1224458A true GB1224458A (en) 1971-03-10

Family

ID=24974989

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2778269A Expired GB1224458A (en) 1968-06-26 1969-06-02 Preparation of low surface area catalysts

Country Status (2)

Country Link
FR (1) FR2014270A1 (en)
GB (1) GB1224458A (en)

Also Published As

Publication number Publication date
DE1932201A1 (en) 1970-06-25
FR2014270A1 (en) 1970-04-17

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