BE818639A - Procede pour eliminer des depots de catalyseurs en lit fixe - Google Patents

Procede pour eliminer des depots de catalyseurs en lit fixe

Info

Publication number
BE818639A
BE818639A BE147424A BE147424A BE818639A BE 818639 A BE818639 A BE 818639A BE 147424 A BE147424 A BE 147424A BE 147424 A BE147424 A BE 147424A BE 818639 A BE818639 A BE 818639A
Authority
BE
Belgium
Prior art keywords
fixed bed
bed catalyst
eliminating fixed
catalyst deposits
deposits
Prior art date
Application number
BE147424A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE818639A publication Critical patent/BE818639A/xx

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
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
    • B01J8/0085—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction promoting uninterrupted fluid flow, e.g. by filtering out particles in front of the catalyst layer
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/31—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting
    • C07C51/313—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation of cyclic compounds with ring-splitting with molecular oxygen
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/02—Processes carried out in the presence of solid particles; Reactors therefor with stationary particles
    • B01J2208/021—Processes carried out in the presence of solid particles; Reactors therefor with stationary particles comprising a plurality of beds with flow of reactants in parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Furan Compounds (AREA)
BE147424A 1973-08-08 1974-08-08 Procede pour eliminer des depots de catalyseurs en lit fixe BE818639A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2340047A DE2340047C3 (de) 1973-08-08 1973-08-08 Verfahren zur Beseitigung von Ablagerungen auf fest angeordneten Katalysatoren bei der Phthalsäureanhydridherstellung

Publications (1)

Publication Number Publication Date
BE818639A true BE818639A (fr) 1974-12-02

Family

ID=5889155

Family Applications (1)

Application Number Title Priority Date Filing Date
BE147424A BE818639A (fr) 1973-08-08 1974-08-08 Procede pour eliminer des depots de catalyseurs en lit fixe

Country Status (5)

Country Link
US (1) US3976666A (xx)
BE (1) BE818639A (xx)
DE (1) DE2340047C3 (xx)
GB (1) GB1484272A (xx)
IT (1) IT1018845B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS188424B1 (en) * 1976-01-21 1979-03-30 Jaroslav Limberg Device for charging coal into coke oven battery
CN1049368C (zh) * 1995-07-14 2000-02-16 中国石油化工总公司石油化工科学研究院 固定床反应器催化剂的装卸方法
JP2016529219A (ja) * 2013-06-26 2016-09-23 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 無水フタル酸を製造するための方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1936154A (en) * 1930-04-23 1933-11-21 Gen Chemical Corp Process for cleaning contact material
FR1296825A (fr) * 1961-07-12 1962-06-22 Wacker Chemie Gmbh Procédé de régénération, en particulier de catalyseurs en grains
US3410055A (en) * 1966-10-25 1968-11-12 Ducon Co Expandable bed filter and method

Also Published As

Publication number Publication date
GB1484272A (en) 1977-09-01
DE2340047C3 (de) 1979-09-06
DE2340047A1 (de) 1975-03-06
DE2340047B2 (de) 1979-01-04
US3976666A (en) 1976-08-24
IT1018845B (it) 1977-10-20

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