IT7829235A0 - Processo per isolare e purificare acido acrilico. - Google Patents

Processo per isolare e purificare acido acrilico.

Info

Publication number
IT7829235A0
IT7829235A0 IT7829235A IT2923578A IT7829235A0 IT 7829235 A0 IT7829235 A0 IT 7829235A0 IT 7829235 A IT7829235 A IT 7829235A IT 2923578 A IT2923578 A IT 2923578A IT 7829235 A0 IT7829235 A0 IT 7829235A0
Authority
IT
Italy
Prior art keywords
isolating
acrylic acid
purifying acrylic
purifying
acid
Prior art date
Application number
IT7829235A
Other languages
English (en)
Other versions
IT1101260B (it
Original Assignee
Cleveland Ohio U S A
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 by Cleveland Ohio U S A filed Critical Cleveland Ohio U S A
Publication of IT7829235A0 publication Critical patent/IT7829235A0/it
Application granted granted Critical
Publication of IT1101260B publication Critical patent/IT1101260B/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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/20—Power plant
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/22—Accessories

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT29235/78A 1977-12-05 1978-10-30 Processo per isolare e purificare acido acrilico IT1101260B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/857,147 US4166774A (en) 1977-12-05 1977-12-05 Acrylic acid recovery and purification

Publications (2)

Publication Number Publication Date
IT7829235A0 true IT7829235A0 (it) 1978-10-30
IT1101260B IT1101260B (it) 1985-09-28

Family

ID=25325299

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29235/78A IT1101260B (it) 1977-12-05 1978-10-30 Processo per isolare e purificare acido acrilico

Country Status (11)

Country Link
US (1) US4166774A (it)
EP (1) EP0002382B1 (it)
JP (1) JPS5479223A (it)
BR (1) BR7807252A (it)
CA (1) CA1107296A (it)
CS (1) CS213364B2 (it)
DD (1) DD142041A5 (it)
DE (1) DE2861173D1 (it)
EG (1) EG13554A (it)
ES (1) ES474749A1 (it)
IT (1) IT1101260B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA81448B (en) * 1980-01-28 1982-02-24 Int Synthetic Rubber Polymerisation purification
US4599144A (en) * 1984-06-25 1986-07-08 Standard Oil Company (Indiana) Process for recovery of methacrylic acid
JPH0684326B2 (ja) * 1988-06-03 1994-10-26 株式会社日本触媒 メタクロレインの回収方法
US4999452A (en) * 1989-05-15 1991-03-12 Union Carbide Chemicals And Plastics Company Inc. Process for producing acrylic ester
GB9105407D0 (en) * 1991-03-14 1991-05-01 Ici Plc Separation process
DE4214738A1 (de) * 1992-05-04 1993-11-11 Bayer Ag Destillationskolonne mit dampfförmiger Seitenstromentnahme
DE4401405A1 (de) * 1994-01-19 1995-07-20 Huels Chemische Werke Ag Verfahren zur Entwässerung von Acrylsäure
US5523480A (en) * 1994-03-28 1996-06-04 Rohm And Haas Company Process for purifying unsaturated carboxylic acids using distillation and melt crystallization
DE19501325A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure enthaltenden Gemisch
FR2736912B1 (fr) * 1995-07-18 1997-08-22 Atochem Elf Sa Procede de purification de l'acide acrylique obtenu par oxydation catalytique du propylene
JP3028925B2 (ja) * 1995-12-05 2000-04-04 株式会社日本触媒 アクリル酸の製造方法
US20030150705A1 (en) * 2002-01-08 2003-08-14 Deshpande Sanjeev D. Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
US20030146081A1 (en) * 2002-01-08 2003-08-07 Salvador Aldrett Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
US9517997B2 (en) * 2012-08-03 2016-12-13 Lg Chem, Ltd. Process for continuous recovering (meth)acrylic acid and apparatus for the process
KR20160032994A (ko) * 2014-09-17 2016-03-25 주식회사 엘지화학 (메트)아크릴산의 회수 방법 및 회수 장치
KR102079774B1 (ko) * 2016-11-25 2020-02-20 주식회사 엘지화학 (메트)아크릴산의 연속 회수 방법 및 장치

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309653A (en) * 1941-03-21 1943-02-02 Atlantic Refining Co Removal of mercaptans from mercaptan-solvent mixtures
US3073752A (en) * 1957-11-25 1963-01-15 Melle Usines Sa Process for separating mixtures containing carbonyl compounds and corresponding alcohols
US3210271A (en) * 1962-02-19 1965-10-05 Shell Oil Co Fractionation with side stripping
US3219547A (en) * 1963-03-13 1965-11-23 Celanese Corp Fractional distillation process for purifying triaryl phosphates
US3433831A (en) * 1965-06-30 1969-03-18 Asahi Chemical Ind Separation and purification of acrylic acid from acetic acid by solvent extraction and azeotropic distillation with a two component solvent-entrainer system
US3399120A (en) * 1965-12-09 1968-08-27 Monsanto Co Purification of olefinically unsaturated nitriles by water extractive distillation
US3478093A (en) * 1966-02-19 1969-11-11 Basf Ag Separation of methacrylic acid and acrylic acid
US3445345A (en) * 1968-05-08 1969-05-20 Raphael Katzen Associates Extractive distillation of c1 to c3 alcohols and subsequent distillation of purge streams
US3692636A (en) * 1969-11-28 1972-09-19 Celanese Corp Separation of a mixture comprising vinyl acetate,ethyl acetate,and acetic acid by distillation
JPS4815282B1 (it) * 1970-12-08 1973-05-14
US3769177A (en) * 1971-11-10 1973-10-30 Monsanto Co Purification of carboxylic acids by plural stage distillation with side stream draw-offs
US3725211A (en) * 1972-03-01 1973-04-03 Zieren Chemiebau Gmbh Dr A Continuous distillation of phthalic anhydride with vapor side stream recovery
NL180579C (nl) * 1972-05-24 1987-03-16 Sumitomo Chemical Co Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water.
US3990952A (en) * 1974-10-10 1976-11-09 Raphael Katzen Associates International, Inc. Alcohol distillation process

Also Published As

Publication number Publication date
IT1101260B (it) 1985-09-28
EG13554A (en) 1982-03-31
EP0002382A2 (en) 1979-06-13
EP0002382A3 (en) 1979-06-27
DE2861173D1 (en) 1981-12-24
US4166774A (en) 1979-09-04
BR7807252A (pt) 1979-08-14
EP0002382B1 (en) 1981-10-14
CS213364B2 (en) 1982-04-09
ES474749A1 (es) 1979-03-16
DD142041A5 (de) 1980-06-04
CA1107296A (en) 1981-08-18
JPS5479223A (en) 1979-06-25

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