FR2374071A1 - Procede et composition pour enlever les constituants acides d'un melange gazeux, a l'aide d'amines presentant de l'empechement sterique et d'amino-acides - Google Patents

Procede et composition pour enlever les constituants acides d'un melange gazeux, a l'aide d'amines presentant de l'empechement sterique et d'amino-acides

Info

Publication number
FR2374071A1
FR2374071A1 FR7734502A FR7734502A FR2374071A1 FR 2374071 A1 FR2374071 A1 FR 2374071A1 FR 7734502 A FR7734502 A FR 7734502A FR 7734502 A FR7734502 A FR 7734502A FR 2374071 A1 FR2374071 A1 FR 2374071A1
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France
Prior art keywords
gas mixture
amines
composition
amino acids
acidic constituents
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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.)
Granted
Application number
FR7734502A
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English (en)
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FR2374071B1 (fr
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.)
ExxonMobil Technology and Engineering Co
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Exxon Research and Engineering Co
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Publication date
Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of FR2374071A1 publication Critical patent/FR2374071A1/fr
Application granted granted Critical
Publication of FR2374071B1 publication Critical patent/FR2374071B1/fr
Granted legal-status Critical Current

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Classifications

    • 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
    • B01D53/1493—Selection of liquid materials for use as absorbents

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)

Abstract

L'invention décrit un procédé perfectionné pour enlever des constituants acides de mélange gazeux par mise en contact du mélange gazeux avec une solution aqueuse d'absorption. La solution aqueuse d'absorption comprend : 1. un sel basique (notamment K2 CO3 ), et 2. un activateur de ce sel basique, qui comprend au moins une amine présentant de l'empêchement stérique et un amino-acide qui est un co-solvant de cette amine. L'amino-acide sert à empêcher une séparation des phases de la solution aqueuse à des températures élevées et à de faibles taux de transformation fractionnée au cours de la mise en contact. Le procédé peut s'appliquer notamment à l'enlèvement de CO2 et/ou H2 S de mélange gazeux.
FR7734502A 1976-12-14 1977-11-16 Procede et composition pour enlever les constituants acides d'un melange gazeux, a l'aide d'amines presentant de l'empechement sterique et d'amino-acides Granted FR2374071A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/750,520 US4094957A (en) 1976-12-14 1976-12-14 Process for removing acid gases with hindered amines and amino acids

Publications (2)

Publication Number Publication Date
FR2374071A1 true FR2374071A1 (fr) 1978-07-13
FR2374071B1 FR2374071B1 (fr) 1984-10-26

Family

ID=25018196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7734502A Granted FR2374071A1 (fr) 1976-12-14 1977-11-16 Procede et composition pour enlever les constituants acides d'un melange gazeux, a l'aide d'amines presentant de l'empechement sterique et d'amino-acides

Country Status (11)

Country Link
US (2) US4094957A (fr)
JP (1) JPS5381490A (fr)
AU (1) AU515976B2 (fr)
BR (1) BR7708271A (fr)
CA (1) CA1098506A (fr)
DE (1) DE2755569A1 (fr)
FR (1) FR2374071A1 (fr)
GB (1) GB1587874A (fr)
IT (1) IT1088901B (fr)
MY (1) MY8300048A (fr)
NL (1) NL7712558A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441411A1 (fr) * 1978-11-16 1980-06-13 Giammarco Giuseppe Solutions perfectionnees pour l'absorption de gaz acides choisis parmi co2 et h2s
EP0013151A1 (fr) * 1978-12-22 1980-07-09 Exxon Research And Engineering Company Procédé pour maintenir la performance d'un liquide de lavage contenant des amines empêchées aqueuses dans l'absorption de gaz acide
FR2545378A1 (fr) * 1983-05-03 1984-11-09 Raffinage Cie Francaise Procede de purification d'un melange gazeux contenant des composes gazeux indesirables
WO1992004102A1 (fr) * 1990-08-29 1992-03-19 Linde Aktiengesellschaft Procede d'elimination selective de composes sulfuriques anorganiques et/ou organiques

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US3793434A (en) * 1969-05-16 1974-02-19 Exxon Research Engineering Co Promoter for gas absorption
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US3856921A (en) * 1970-07-22 1974-12-24 Exxon Research Engineering Co Promoting scrubbing of acid gases
FR2202715A1 (en) * 1972-10-04 1974-05-10 Drew Chem Corp Acid gas absorption - by contacting with absorption soln contg corrosion inhibiting purificn additive compsns contg chelating agent etc
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EP0013151A1 (fr) * 1978-12-22 1980-07-09 Exxon Research And Engineering Company Procédé pour maintenir la performance d'un liquide de lavage contenant des amines empêchées aqueuses dans l'absorption de gaz acide
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AU3096777A (en) 1979-11-15
GB1587874A (en) 1981-04-08
US4217238A (en) 1980-08-12
NL7712558A (nl) 1978-06-16
MY8300048A (en) 1983-12-31
JPS5381490A (en) 1978-07-18
US4094957A (en) 1978-06-13
JPS637813B2 (fr) 1988-02-18
DE2755569A1 (de) 1978-06-15
DE2755569C2 (fr) 1990-05-03
BR7708271A (pt) 1978-08-15
IT1088901B (it) 1985-06-10
AU515976B2 (en) 1981-05-14
FR2374071B1 (fr) 1984-10-26
CA1098506A (fr) 1981-03-31

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