GB1503642A - Separation of inhomogenous particles from pulverulent silica catalyst carriers for palladium catalysts for reactions in a fluidized bed in liquid phase - Google Patents

Separation of inhomogenous particles from pulverulent silica catalyst carriers for palladium catalysts for reactions in a fluidized bed in liquid phase

Info

Publication number
GB1503642A
GB1503642A GB2783875A GB2783875A GB1503642A GB 1503642 A GB1503642 A GB 1503642A GB 2783875 A GB2783875 A GB 2783875A GB 2783875 A GB2783875 A GB 2783875A GB 1503642 A GB1503642 A GB 1503642A
Authority
GB
United Kingdom
Prior art keywords
particles
carrier
silica
liquid phase
inhomogenous
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
GB2783875A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of GB1503642A publication Critical patent/GB1503642A/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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
    • B01J23/44—Palladium
    • 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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB2783875A 1974-07-06 1975-07-02 Separation of inhomogenous particles from pulverulent silica catalyst carriers for palladium catalysts for reactions in a fluidized bed in liquid phase Expired GB1503642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742432587 DE2432587C3 (de) 1974-07-06 1974-07-06 Verfahren zur Herstellung pulverförmiger Katalysatorträger oder Katalysatoren für Umsetzungen im Fließbett in flüssiger Phase

Publications (1)

Publication Number Publication Date
GB1503642A true GB1503642A (en) 1978-03-15

Family

ID=5919914

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2783875A Expired GB1503642A (en) 1974-07-06 1975-07-02 Separation of inhomogenous particles from pulverulent silica catalyst carriers for palladium catalysts for reactions in a fluidized bed in liquid phase

Country Status (11)

Country Link
JP (1) JPS5125489A (xx)
BE (1) BE831003A (xx)
CA (1) CA1072528A (xx)
CS (1) CS195296B2 (xx)
DD (1) DD119716A5 (xx)
DE (1) DE2432587C3 (xx)
FR (1) FR2276876A1 (xx)
GB (1) GB1503642A (xx)
IT (1) IT1040823B (xx)
NL (1) NL7507885A (xx)
SE (1) SE417791B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414116A (en) * 1992-02-19 1995-05-09 Societe Elf Atochem S.A. Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5414116A (en) * 1992-02-19 1995-05-09 Societe Elf Atochem S.A. Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid
US5466650A (en) * 1992-02-19 1995-11-14 Societe Elf Atochem S.A. Catalyst for the dehalogenation of alphahalogenated carboxylic acids and its use for purifying monochloroacetic acid
CN1042199C (zh) * 1992-02-19 1999-02-24 埃勒夫阿托化学有限公司 一种催化剂及其在α卤代羧酸及其酯用氢气脱卤中的用途

Also Published As

Publication number Publication date
DE2432587C3 (de) 1980-01-10
DE2432587B2 (de) 1979-05-23
IT1040823B (it) 1979-12-20
FR2276876B1 (xx) 1982-04-16
JPS5125489A (en) 1976-03-02
NL7507885A (nl) 1976-01-08
CS195296B2 (en) 1980-01-31
BE831003A (fr) 1976-01-05
SE7507665L (sv) 1976-01-07
DE2432587A1 (de) 1976-01-22
FR2276876A1 (fr) 1976-01-30
CA1072528A (en) 1980-02-26
SE417791B (sv) 1981-04-13
DD119716A5 (xx) 1976-05-12

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19950701