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DE11001538T1 - Methanolcarbonylierungssystem mit Absorber mit mehreren Lösungsmitteloptionen - Google Patents

Methanolcarbonylierungssystem mit Absorber mit mehreren Lösungsmitteloptionen Download PDF

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Publication number
DE11001538T1
DE11001538T1 DE11001538T DE11001538T DE11001538T1 DE 11001538 T1 DE11001538 T1 DE 11001538T1 DE 11001538 T DE11001538 T DE 11001538T DE 11001538 T DE11001538 T DE 11001538T DE 11001538 T1 DE11001538 T1 DE 11001538T1
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reactor
solvent
production system
methyl iodide
gas
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DE11001538T
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DE11001538T8 (de
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wird später genannt werden Erfinder
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Celanese International Corp
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Celanese International Corp
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1418—Recovery of products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B01D53/185—Liquid distributors
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
    • C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/202—Alcohols or their derivatives
    • B01D2252/2021—Methanol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/20—Organic absorbents
    • B01D2252/205—Other organic compounds not covered by B01D2252/00 - B01D2252/20494
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/206—Organic halogen compounds
    • B01D2257/2068—Iodine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • 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
    • B01J2208/00796—Details of the reactor or of the particulate material
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/24—Stationary reactors without moving elements inside
    • 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
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

Verbessertes Verfahren zum Betreiben einer Vorrichtung für die Herstellung von Essigsäure der Klasse, die ein Produktionssystem mit einem Reaktor, der ein Reaktionsmedium enthält, und einer Produktreinigungsstrecke aufweist, wobei das Produktionssystem zu einer Absorberkolonne entgast wird, dadurch gekennzeichnet daß:
(a) Carbonylieren von Methanol oder reaktiven Derivaten davon im Reaktor in Gegenwart eines Katalysators aus einem Metall der Gruppe VIII und eines Methyliodid-Promotors, wobei eine Wasserkonzentration im Reaktor von 1 bis 10 Gew.-% des Reaktionsmediums aufrechterhalten wird und gleichzeitig ein vorbestimmter Partialdruck von Kohlenmonoxid im Reaktor beibehalten wird;
(b) Ablassen von nicht-kondensierbaren Materialien aus dem Produktionssystem, so daß nur ein Abgas mit geringem Druck bereitgestellt wird;
(c) Leiten des Abgases mit geringem Druck aus dem Produktionssystem zur Absorberkolonne, wobei das Abgas Methyliodid und gegebenenfalls weitere flüchtige Komponenten umfaßt;
(d) Zuführen eines Lösungsmittels für die Gaswäsche zur Absorberkolonne, wobei das Lösungsmittel für die Gaswäsche Methanol, Methylacetat oder Gemische davon...

Claims (5)

  1. Verbessertes Verfahren zum Betreiben einer Vorrichtung für die Herstellung von Essigsäure der Klasse, die ein Produktionssystem mit einem Reaktor, der ein Reaktionsmedium enthält, und einer Produktreinigungsstrecke aufweist, wobei das Produktionssystem zu einer Absorberkolonne entgast wird, dadurch gekennzeichnet daß: (a) Carbonylieren von Methanol oder reaktiven Derivaten davon im Reaktor in Gegenwart eines Katalysators aus einem Metall der Gruppe VIII und eines Methyliodid-Promotors, wobei eine Wasserkonzentration im Reaktor von 1 bis 10 Gew.-% des Reaktionsmediums aufrechterhalten wird und gleichzeitig ein vorbestimmter Partialdruck von Kohlenmonoxid im Reaktor beibehalten wird; (b) Ablassen von nicht-kondensierbaren Materialien aus dem Produktionssystem, so daß nur ein Abgas mit geringem Druck bereitgestellt wird; (c) Leiten des Abgases mit geringem Druck aus dem Produktionssystem zur Absorberkolonne, wobei das Abgas Methyliodid und gegebenenfalls weitere flüchtige Komponenten umfaßt; (d) Zuführen eines Lösungsmittels für die Gaswäsche zur Absorberkolonne, wobei das Lösungsmittel für die Gaswäsche Methanol, Methylacetat oder Gemische davon umfaßt; (e) Inkontaktbringen des Abgases mit geringem Druck mit dem Lösungsmittel für die Gaswäsche, wodurch Methyliodid und gegebenenfalls zusätzliche flüchtige Komponenten aus dem Gas entfernt und Methyliodid und gegebenenfalls zusätzliche flüchtige Komponenten in das Lösungsmittel für die Gaswäsche absorbiert werden; und (f) Leiten eines Rückführungsstroms des Absorbers, der Lösungsmittel für die Gaswäsche und absorbiertes Methyliodid und gegebenenfalls zusätzliche absorbierte flüchtige Komponenten umfaßt, zum Reaktor.
  2. Verfahren nach Anspruch 1, wobei der Katalysator aus einem Metall der Gruppe VIII ein getragener Katalysator ist.
  3. Verfahren nach Anspruch 2, wobei der Katalysator aus einem Metall der Gruppe VIII ein getragener Rhodiumkatalysator ist.
  4. Verfahren nach Anspruch 3, wobei der Rhodiumkatalysator auf einem vernetzten Polyvinylpyrrolidonpolymer getragen wird.
  5. Verfahren nach Anspruch 3, wobei der Rhodiumkatalysator auf einem vernetzten Polyvinylpyridinpolymer getragen wird.
DE11001538T 2008-04-29 2009-04-24 Methanolcarbonylierungssystem mit Absorber mit mehreren Lösungsmitteloptionen Active DE11001538T8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12579108P 2008-04-29 2008-04-29
US125791P 2008-04-29
EP11001538.5A EP2327474B1 (de) 2008-04-29 2009-04-23 Methanolcarbonylierungssystem mit Absorber mit mehreren Lösungsmitteloptionen

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DE11001538T1 true DE11001538T1 (de) 2012-09-06
DE11001538T8 DE11001538T8 (de) 2013-04-25

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US (3) US8318977B2 (de)
EP (2) EP2303447B1 (de)
JP (1) JP5438758B2 (de)
KR (1) KR101584387B1 (de)
CN (1) CN102036746B (de)
AR (1) AR074142A1 (de)
AU (2) AU2009241843B2 (de)
BR (1) BRPI0910840B1 (de)
CA (2) CA2908262C (de)
CL (1) CL2009001004A1 (de)
DE (1) DE11001538T8 (de)
ES (2) ES2523719T3 (de)
MX (2) MX2010011850A (de)
MY (2) MY156898A (de)
NZ (1) NZ588778A (de)
RU (1) RU2469783C2 (de)
TR (1) TR201108313T3 (de)
TW (2) TWI562983B (de)
WO (1) WO2009134332A2 (de)
ZA (1) ZA201007562B (de)

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