BR8300321A - Remocao de tracos de aldeidos de acidos carboxilicos insaturados - Google Patents

Remocao de tracos de aldeidos de acidos carboxilicos insaturados

Info

Publication number
BR8300321A
BR8300321A BR8300321A BR8300321A BR8300321A BR 8300321 A BR8300321 A BR 8300321A BR 8300321 A BR8300321 A BR 8300321A BR 8300321 A BR8300321 A BR 8300321A BR 8300321 A BR8300321 A BR 8300321A
Authority
BR
Brazil
Prior art keywords
aldeides
removal
drawings
carboxylic acids
unsaturated carboxylic
Prior art date
Application number
BR8300321A
Other languages
English (en)
Inventor
Mettetal Bonnie Kaye
Kolonko Richard Paul Jr
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR8300321A publication Critical patent/BR8300321A/pt

Links

Classifications

    • 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
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8300321A 1982-01-26 1983-01-19 Remocao de tracos de aldeidos de acidos carboxilicos insaturados BR8300321A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/342,964 US4358347A (en) 1982-01-26 1982-01-26 Removal of trace aldehydes from carboxylic acids

Publications (1)

Publication Number Publication Date
BR8300321A true BR8300321A (pt) 1983-10-25

Family

ID=23344068

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8300321A BR8300321A (pt) 1982-01-26 1983-01-19 Remocao de tracos de aldeidos de acidos carboxilicos insaturados

Country Status (7)

Country Link
US (1) US4358347A (pt)
EP (1) EP0085898B1 (pt)
JP (1) JPS58128336A (pt)
AU (1) AU566202B2 (pt)
BR (1) BR8300321A (pt)
CA (1) CA1190563A (pt)
DE (1) DE3360689D1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641996A1 (de) * 1986-12-09 1988-06-16 Basf Ag Verfahren zum abtrennen von aldehyden aus (alpha),(beta)-olefinisch ungesaettigten carbonsaeuren
DE3728387A1 (de) * 1987-08-26 1989-03-09 Voith Gmbh J M Expandierkoerper
US5358611A (en) * 1993-05-17 1994-10-25 Rohm And Haas Company Method of reducing impurities in aqueous monomer solutions
DE19501326A1 (de) * 1995-01-18 1996-07-25 Basf Ag Verfahren der rektifikativen Abtrennung von (Meth)acrylsäure aus einem (Meth)acrylsäure als Hauptbestandteil und niedere Aldehyde als Nebenbestandteile enthaltenden Gemisch in einer aus Abtriebsteil und Verstärkerteil bestehenden Rektifiaktionskolonne
FR2753445B1 (fr) * 1996-09-16 1998-10-30 Atochem Elf Sa Procede perfectionne de purification de l'acide acrylique
JP4455790B2 (ja) * 2001-09-28 2010-04-21 株式会社日本触媒 （メタ）アクリル酸の製造方法
JP3905810B2 (ja) * 2002-09-03 2007-04-18 株式会社日本触媒 アクリル酸製造プロセスにおける重合防止方法
US7196231B2 (en) * 2003-06-27 2007-03-27 Solutia, Inc. Process for removal of acrolein from acrylonitrile product streams
US7485749B2 (en) * 2006-08-22 2009-02-03 Lyondell Chemical Technology, L.P. Preparation of acetic acid
JP2007176951A (ja) * 2007-02-26 2007-07-12 Nippon Shokubai Co Ltd （メタ）アクリル酸の製造方法
US7390919B1 (en) * 2007-10-01 2008-06-24 Lyondell Chemical Technology, L.P. Methyl acetate purification and carbonylation
EP3255030B1 (en) * 2015-02-05 2020-03-04 Nippon Shokubai Co., Ltd. Method for producing acrylic acid
JP6712151B2 (ja) * 2016-02-26 2020-06-17 旭化成株式会社 ブタジエンの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL243096A (pt) * 1958-09-09 1900-01-01
US3220932A (en) * 1964-03-10 1965-11-30 Union Carbide Corp Recovery of acrolein from propionaldehyde by extractive distillation
DE2027443C3 (de) * 1969-06-05 1974-10-03 Japan Gas-Chemical Co., Inc., Tokio Verfahren zur Reinigung von Hydroxyalkylacrylaten oder Hydroxyalkylmethacrylaten
US3725208A (en) * 1971-08-20 1973-04-03 Nippon Kayaku Kk Process for purification of acrylic acid from aldehydes by distillation with a reagent
DE2235326A1 (de) * 1972-07-19 1974-02-07 Degussa Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren
DE2262969A1 (de) * 1972-12-22 1974-06-27 Knapsack Ag Verfahren zur abtrennung von acrylsaeurealkylestern aus acrylsaeure enthaltenden gemischen

Also Published As

Publication number Publication date
AU566202B2 (en) 1987-10-15
US4358347A (en) 1982-11-09
AU1037883A (en) 1983-08-04
EP0085898B1 (en) 1985-09-04
JPS58128336A (ja) 1983-07-30
DE3360689D1 (en) 1985-10-10
EP0085898A1 (en) 1983-08-17
CA1190563A (en) 1985-07-16

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