IT1004435B - Metodo per recuperare metalli pesanti e bromo di catalizzatori di ossidazione in fase liquida - Google Patents

Metodo per recuperare metalli pesanti e bromo di catalizzatori di ossidazione in fase liquida

Info

Publication number
IT1004435B
IT1004435B IT49845/74A IT4984574A IT1004435B IT 1004435 B IT1004435 B IT 1004435B IT 49845/74 A IT49845/74 A IT 49845/74A IT 4984574 A IT4984574 A IT 4984574A IT 1004435 B IT1004435 B IT 1004435B
Authority
IT
Italy
Prior art keywords
bromine
liquid phase
heavy metals
oxidation catalysts
recover heavy
Prior art date
Application number
IT49845/74A
Other languages
English (en)
Original Assignee
Matsuyama Petrochemicals Inc
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
Priority claimed from JP3635173A external-priority patent/JPS557300B2/ja
Priority claimed from JP4782673A external-priority patent/JPS5419399B2/ja
Application filed by Matsuyama Petrochemicals Inc filed Critical Matsuyama Petrochemicals Inc
Application granted granted Critical
Publication of IT1004435B publication Critical patent/IT1004435B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/22—Halogenating
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/30—Ion-exchange
    • 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
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/04—Processes using organic exchangers
    • B01J39/05—Processes using organic exchangers in the strongly acidic form

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
IT49845/74A 1973-03-30 1974-03-29 Metodo per recuperare metalli pesanti e bromo di catalizzatori di ossidazione in fase liquida IT1004435B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3635173A JPS557300B2 (it) 1973-03-30 1973-03-30
JP4782673A JPS5419399B2 (it) 1973-04-26 1973-04-26

Publications (1)

Publication Number Publication Date
IT1004435B true IT1004435B (it) 1976-07-10

Family

ID=26375394

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49845/74A IT1004435B (it) 1973-03-30 1974-03-29 Metodo per recuperare metalli pesanti e bromo di catalizzatori di ossidazione in fase liquida

Country Status (6)

Country Link
US (1) US3959449A (it)
DE (1) DE2415393C3 (it)
FR (1) FR2223307B1 (it)
GB (1) GB1460941A (it)
IT (1) IT1004435B (it)
NL (1) NL7404299A (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922489C2 (de) * 1979-06-01 1983-08-18 JGC Corp., Tokyo Verfahren zur Aufarbeitung der bei der Herstellung von Terephthalsäure anfallenden Mutterlauge
DE2950318C2 (de) 1979-12-14 1982-02-25 Dynamit Nobel Ag, 5210 Troisdorf Gewinnung und Wiederverwendung von Kobalt- oder Kobalt und Manganverbindungen aus dem Witten-DMT-Prozeß
GB2069859B (en) * 1979-12-19 1983-06-22 Euteco Impianti Spa Process for preparing catalysts based on polybdenum and iron oxide
DE3112066C2 (de) * 1981-03-27 1984-03-01 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung von 1,2,4-Benzoltricarbonsäure
US5955394A (en) * 1996-08-16 1999-09-21 Mobile Process Technology, Co. Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids
AU5490799A (en) * 1999-08-17 2001-03-13 Mobile Process Technology, Co. Process for the purification of wash water from the production of aromatic acids
US6982234B2 (en) 2000-06-01 2006-01-03 Gtc Technology Inc. Methods and apparatus for removing catalyst from oxidation reactor effluent
JP4788023B2 (ja) * 2000-06-27 2011-10-05 三菱瓦斯化学株式会社 液相酸化反応母液からの触媒成分の回収方法
BRPI0918260B1 (pt) * 2008-08-26 2019-12-03 Reliance Industries Ltd processo e equipamento para recuperação de materiais valiosos de preparação de ácido tereftálico
US10723633B2 (en) * 2015-12-31 2020-07-28 Bp Corporation North America Inc. Process for recovering heavy metal ions
CN115672378B (zh) * 2022-11-15 2024-04-09 万华化学集团股份有限公司 一种制备维生素e乙酸酯的反应体系中催化剂的回用方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686076A (en) * 1969-12-18 1972-08-22 Gulf Research Development Co Separation of dry hbr from a dilute aqueous solution of hbr

Also Published As

Publication number Publication date
FR2223307B1 (it) 1976-10-08
DE2415393B2 (de) 1979-03-01
FR2223307A1 (it) 1974-10-25
GB1460941A (en) 1977-01-06
US3959449A (en) 1976-05-25
DE2415393C3 (de) 1979-10-18
NL7404299A (it) 1974-10-02
DE2415393A1 (de) 1974-10-24

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