BR9704691A - Processo para a preparação de uma solução de um complexo de ródio e processo para a produção de um aldeído - Google Patents

Processo para a preparação de uma solução de um complexo de ródio e processo para a produção de um aldeído

Info

Publication number
BR9704691A
BR9704691A BR9704691A BR9704691A BR9704691A BR 9704691 A BR9704691 A BR 9704691A BR 9704691 A BR9704691 A BR 9704691A BR 9704691 A BR9704691 A BR 9704691A BR 9704691 A BR9704691 A BR 9704691A
Authority
BR
Brazil
Prior art keywords
aldehyde
preparation
production
solution
rhodium complex
Prior art date
Application number
BR9704691A
Other languages
English (en)
Inventor
Kazuyuki Yokoyama
Masaki Takai
Tomohiko Inoue
Tomoyuki Mori
Original Assignee
Mitsubishi Chem Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26467684&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9704691(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP8240194A external-priority patent/JPH1085615A/ja
Priority claimed from JP13328897A external-priority patent/JP3965721B2/ja
Application filed by Mitsubishi Chem Corp filed Critical Mitsubishi Chem Corp
Publication of BR9704691A publication Critical patent/BR9704691A/pt

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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/18—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms
    • B01J31/1845—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes containing nitrogen, phosphorus, arsenic or antimony as complexing atoms, e.g. in pyridine ligands, or in resonance therewith, e.g. in isocyanide ligands C=N-R or as complexed central atoms the ligands containing phosphorus
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/24—Phosphines, i.e. phosphorus bonded to only carbon atoms, or to both carbon and hydrogen atoms, including e.g. sp2-hybridised phosphorus compounds such as phosphabenzene, phosphole or anionic phospholide ligands
    • B01J31/2404—Cyclic ligands, including e.g. non-condensed polycyclic ligands, the phosphine-P atom being a ring member or a substituent on the ring
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40—Regeneration or reactivation
    • B01J31/4015—Regeneration or reactivation of catalysts containing metals
    • B01J31/4023—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper
    • B01J31/4038—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing noble metals
    • B01J31/4046—Regeneration or reactivation of catalysts containing metals containing iron group metals, noble metals or copper containing noble metals containing rhodium
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/40—Regeneration or reactivation
    • B01J31/4015—Regeneration or reactivation of catalysts containing metals
    • B01J31/4053—Regeneration or reactivation of catalysts containing metals with recovery of phosphorous catalyst system constituents
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
    • C07C45/50—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide by oxo-reactions
    • 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
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/30—Addition reactions at carbon centres, i.e. to either C-C or C-X multiple bonds
    • B01J2231/32—Addition reactions to C=C or C-C triple bonds
    • B01J2231/321—Hydroformylation, metalformylation, carbonylation or hydroaminomethylation
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/82—Metals of the platinum group
    • B01J2531/822—Rhodium
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
    • B01J31/0235—Nitrogen containing compounds
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/04—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing carboxylic acids or their salts
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
BR9704691A 1996-09-11 1997-09-11 Processo para a preparação de uma solução de um complexo de ródio e processo para a produção de um aldeído BR9704691A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8240194A JPH1085615A (ja) 1996-09-11 1996-09-11 ロジウムの回収方法
JP13328897A JP3965721B2 (ja) 1997-05-23 1997-05-23 アルデヒドの製造方法

Publications (1)

Publication Number Publication Date
BR9704691A true BR9704691A (pt) 1998-12-29

Family

ID=26467684

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9704691A BR9704691A (pt) 1996-09-11 1997-09-11 Processo para a preparação de uma solução de um complexo de ródio e processo para a produção de um aldeído

Country Status (7)

Country Link
US (1) US5936130A (pt)
EP (2) EP0829300B1 (pt)
CN (1) CN1130264C (pt)
BR (1) BR9704691A (pt)
CZ (1) CZ283697A3 (pt)
DE (1) DE69712693T2 (pt)
ID (1) ID18869A (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6441778B1 (en) * 1999-06-18 2002-08-27 Jennifer Durst Pet locator
US6610891B1 (en) 1999-12-03 2003-08-26 Mitsubishi Chemical Corporation Method of producing aldehydes
KR100732894B1 (ko) * 2001-03-08 2007-06-27 미쓰비시 가가꾸 가부시키가이샤 알데히드의 제조 방법
GB0113079D0 (en) 2001-05-30 2001-07-18 Kvaerner Process Tech Ltd Process
DE10164720B4 (de) * 2001-07-07 2013-12-19 Oxea Gmbh Verfahren zur Herstellung von Aldehyden
CN101992125B (zh) * 2009-08-13 2012-12-12 中国石油化工集团公司 一种杂多酸季铵盐催化剂再生的方法
CN102277499B (zh) * 2011-08-11 2012-12-26 杭州凯大催化金属材料有限公司 一种从羰基合成反应有机废液中回收铑的方法
TWI758353B (zh) * 2016-11-08 2022-03-21 美商陶氏科技投資有限公司 使去活化的氫甲醯化催化劑溶液再生的方法
WO2019094290A1 (en) * 2017-11-13 2019-05-16 Dow Technology Investments Llc Processes for recovery of rhodium from a hydroformylation process
US10538472B1 (en) * 2019-02-14 2020-01-21 Dairen Chemical Corporation Extraction process for high-boiling aldehyde product separation and catalyst recovery
CN114072231A (zh) 2019-06-27 2022-02-18 陶氏技术投资有限责任公司 从加氢甲酰化工艺制备溶液以用于贵金属回收的工艺
TW202126385A (zh) * 2019-11-05 2021-07-16 美商陶氏科技投資有限公司 自氫甲醯化製程回收銠之方法
CN112791748B (zh) * 2021-01-15 2022-09-20 万华化学集团股份有限公司 一种从氢甲酰化反应液中回收催化金属的方法
CN113289695B (zh) * 2021-06-21 2022-07-12 万华化学集团股份有限公司 一种氢甲酰化催化剂的回收方法

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857895A (en) * 1969-05-12 1974-12-31 Union Oil Co Recovery of catalyst complexes
GB1368431A (en) * 1970-07-22 1974-09-25 Johnson Matthey Co Ltd Rhodium complex and methods of preparing the complex
US3641076A (en) * 1970-08-24 1972-02-08 Union Oil Co Catalyst recovery
IT950259B (it) * 1972-03-16 1973-06-20 Montedison Spa Procedimento per il ricupero di si stemi catalitici costituiti da com plessi di metalli di transizione con leganti organici
IT1007026B (it) * 1974-01-23 1976-10-30 Montedison Spa Procedimento per il ricupero di sistemi catalitici da grezzi di idroformilazione
DE2448005C2 (de) * 1974-10-09 1983-10-20 Basf Ag, 6700 Ludwigshafen Verfahren zur Regenerierung von Rhodium oder Iridium enthaltenden Katalysatoren aus Destillationsrückständen von Hydroformylierungsgemischen
DE2604545C3 (de) * 1976-02-06 1978-08-17 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Alkylcarbonsäuren
US4188363A (en) * 1976-08-19 1980-02-12 Bayer Aktiengesellschaft Recovery of rhodium complex catalysts homogeneously dissolved in organic media
US4135911A (en) * 1977-07-28 1979-01-23 E. I. Du Pont De Nemours And Company Rhodium recovery from hydroformylation still heel with triaryl phosphite ligand
JPS5573696A (en) * 1978-11-29 1980-06-03 Mitsubishi Chem Ind Ltd Preparation of rhodium complex
US4196096A (en) * 1979-02-12 1980-04-01 Eastman Kodak Company Process for regeneration of rhodium hydroformylation catalysts
US4297239A (en) * 1979-07-16 1981-10-27 Union Carbide Corporation Hydroformylation catalyst reactivation
US4374278A (en) * 1980-02-28 1983-02-15 Union Carbide Corporation Hydroformylation catalyst reactivation
GB2075857A (en) * 1980-05-15 1981-11-25 Davy Mckee Oil & Chem Making hydroformylation catalysts
US4605780A (en) * 1980-09-24 1986-08-12 Union Carbide Corporation Reactivation of rhodium complex hydroformylation catalysts
JPS5850234B2 (ja) * 1980-10-23 1983-11-09 三菱化学株式会社 第８族貴金属固体錯体の取得方法
EP0064989B1 (en) * 1980-11-24 1986-06-18 EASTMAN KODAK COMPANY (a New Jersey corporation) Process for the recovery of rhodium catalyst
US4388217A (en) * 1980-11-24 1983-06-14 Eastman Kodak Company Process for the recovery of catalyst values
DE3046355A1 (de) * 1980-12-09 1982-07-15 Basf Ag, 6700 Ludwigshafen Verfahren zur hydroformylierung von olefinisch ungesaettigten verbindungen
US4340570A (en) * 1981-03-06 1982-07-20 The Halcon Sd Group, Inc. Recovery of rhodium from carbonylation residues
US4341741A (en) * 1981-03-06 1982-07-27 The Halcon Sd Group, Inc. Recovery of rhodium from carbonylation residues
US4400547A (en) * 1981-04-10 1983-08-23 Eastman Kodak Company Hydroformylation process utilizing an unmodified rhodium catalyst and the stabilization and regeneration thereof
US4390473A (en) * 1981-06-22 1983-06-28 Eastman Kodak Company Recovery of rhodium and cobalt low pressure oxo catalyst
US4466074A (en) * 1981-09-18 1984-08-14 Mcgraw-Edison Company Power outage timer
US4434240A (en) * 1981-11-16 1984-02-28 The Halcon Sd Group, Inc. Recovery of noble metal values from carbonylation residues
DE3235029A1 (de) * 1982-09-22 1984-03-22 Ruhrchemie Ag, 4200 Oberhausen Verfahren zur rueckgewinnung von wasserloeslichen, rhodium enthaltenden hydroformylierungskatalysatoren
US5091350A (en) * 1984-03-26 1992-02-25 Hoechst Aktiengesellschaft Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom
US4731485A (en) * 1984-04-03 1988-03-15 Ruhrchemie Aktiengesellschaft Process for hydroformylation with rhodium catalysts and the separation of rhodium therefrom
GB8516911D0 (en) * 1985-07-04 1985-08-07 Matthey Rustenburg Refines Extraction of metals
DE3616057A1 (de) * 1986-05-13 1987-11-19 Ruhrchemie Ag Verfahren zur herstellung von aldehyden
JPS6314824A (ja) * 1986-07-04 1988-01-22 Tanaka Kikinzoku Kogyo Kk 貴金属元素の回収方法
JPS6320423A (ja) * 1986-07-15 1988-01-28 Tanaka Kikinzoku Kogyo Kk 貴金属元素の回収方法
GB8618710D0 (en) * 1986-07-31 1986-09-10 Bp Chem Int Ltd Recovering metals
DE3626536A1 (de) * 1986-08-06 1988-02-11 Ruhrchemie Ag Verfahren zur rueckgewinnung von rhodium aus rhodiumkomplexverbindungen enthaltenden waessrigen loesungen
DE3744213A1 (de) * 1987-12-24 1989-07-06 Ruhrchemie Ag Verfahren zur rueckgewinnung von rhodium aus rhodiumkomplexverbindungen enthaltenden waessrigen loesungen
DE3812403A1 (de) * 1988-04-14 1989-10-26 Basf Ag Verfahren zur rueckgewinnung und wiederverwendung von nickel, cobalt und rhodium aus gemischen, die aliphatische carbonsaeuren enthalten
US5294415A (en) * 1988-06-30 1994-03-15 Hoechst Aktiengesellschaft Process for the separation and recovery of rhodium from the products of the oxo synthesis
US4935550A (en) * 1988-08-12 1990-06-19 Union Carbide Chemicals And Plastics Company Inc. Catalytic metal recovery from non-polar organic solutions
JPH0280320A (ja) * 1988-09-14 1990-03-20 Daicel Chem Ind Ltd 遷移金属触媒の回収方法
DE3833427A1 (de) * 1988-10-01 1990-04-05 Hoechst Ag Verfahren zur rueckgewinnung von rhodium
DE3909445A1 (de) * 1989-03-22 1990-09-27 Hoechst Ag Verfahren zur reinigung und rueckgewinnung der bei der carbonylierung von methanol und/oder methylacetat und/oder dimethylether anfallenden verunreinigten katalysatorloesung
DE3934824A1 (de) * 1989-10-19 1991-04-25 Hoechst Ag Verfahren zur wiedergewinnung von rhodium aus den rueckstaenden der destillation von produkten der oxosynthese
US4945075A (en) * 1989-12-04 1990-07-31 Eastman Kodak Company Oxidative secondary rhodium recovery process
DE4025074A1 (de) * 1990-08-08 1992-02-13 Hoechst Ag Verfahren zur wiedergewinnung von rhodium aus den rueckstaenden der destillation von produkten der oxosynthese
US5183943A (en) * 1991-03-18 1993-02-02 Union Carbide Chemicals & Plastics Technology Corporation Reactivation of hydroformylation catalysts
DE4110212A1 (de) * 1991-03-28 1992-10-01 Hoechst Ag Verfahren zur wiedergewinnung von rhodium aus den rueckstaenden der destillation von produkten oder oxosynthese
DE4228724A1 (de) * 1992-08-28 1994-03-03 Hoechst Ag Verfahren zur Wiedergewinnung von Rhodium aus den Destillationsrückständen von Produkten der Oxosynthese
BE1006455A3 (nl) * 1992-12-23 1994-08-30 Dsm Nv Werkwijze voor het bereiden van (meth)acrylonitril.
DE4408950A1 (de) * 1994-03-16 1995-09-21 Basf Ag Verfahren zur Herstellung von Alkoholen und/oder Aldehyden
JP3528244B2 (ja) * 1994-06-30 2004-05-17 三菱化学株式会社 ロジウム系錯体触媒の製造方法及びその触媒を用いたヒドロホルミル化方法
DE4427428A1 (de) * 1994-08-03 1996-02-29 Basf Ag Verfahren zur Herstellung von Aldehyden

Also Published As

Publication number Publication date
CZ283697A3 (cs) 1998-04-15
EP0829300A1 (en) 1998-03-18
EP1110604A1 (en) 2001-06-27
EP0829300B1 (en) 2002-05-22
ID18869A (id) 1998-05-14
CN1130264C (zh) 2003-12-10
DE69712693D1 (de) 2002-06-27
US5936130A (en) 1999-08-10
CN1176151A (zh) 1998-03-18
DE69712693T2 (de) 2003-01-30

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Legal Events

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FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]