IT1012211B - Processo per la purificazione conti nua di acido monocloro acetico grez zo - Google Patents

Processo per la purificazione conti nua di acido monocloro acetico grez zo

Info

Publication number
IT1012211B
IT1012211B IT2249874A IT2249874A IT1012211B IT 1012211 B IT1012211 B IT 1012211B IT 2249874 A IT2249874 A IT 2249874A IT 2249874 A IT2249874 A IT 2249874A IT 1012211 B IT1012211 B IT 1012211B
Authority
IT
Italy
Prior art keywords
monocloro
grez
purification
acetic acid
acetic
Prior art date
Application number
IT2249874A
Other languages
English (en)
Italian (it)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of IT1012211B publication Critical patent/IT1012211B/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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT2249874A 1973-05-11 1974-05-09 Processo per la purificazione conti nua di acido monocloro acetico grez zo IT1012211B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732323777 DE2323777C2 (de) 1973-05-11 1973-05-11 Verfahren zur kontinuierlichen Reinigung von roher Monochloressigsäure

Publications (1)

Publication Number Publication Date
IT1012211B true IT1012211B (it) 1977-03-10

Family

ID=5880598

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2249874A IT1012211B (it) 1973-05-11 1974-05-09 Processo per la purificazione conti nua di acido monocloro acetico grez zo

Country Status (8)

Country Link
JP (1) JPS5030828A (hu)
BE (1) BE814923A (hu)
CA (1) CA1020170A (hu)
DE (1) DE2323777C2 (hu)
FR (1) FR2228759B1 (hu)
GB (1) GB1411214A (hu)
IT (1) IT1012211B (hu)
NL (1) NL7406061A (hu)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4844748A (hu) * 1971-05-18 1973-06-27
FR2582645B1 (fr) * 1985-05-31 1988-09-16 Rhone Poulenc Spec Chim Procede de purification de l'acide chloro-2 propionique et/ou de ses esters
JPS62296773A (ja) * 1986-06-16 1987-12-24 Yokogawa Electric Corp 正弦波コンバ−タ
FR2647032B1 (fr) * 1989-04-07 1993-12-10 Atochem Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes
FR2645531B1 (fr) * 1989-04-07 1991-06-07 Atochem Procede et catalyseur de deshalogenation d'acides carboxyliques alphahalogenes
ES2095589T3 (es) * 1992-02-19 1997-02-16 Atochem Elf Sa Catalizador de deshalogenacion de acidos carboxilicos alfahalogenados y su utilizacion para purificar el acido monocloroacetico.
AU2002356676A1 (en) * 2001-12-04 2003-06-17 Akzo Nobel N.V. Process for preparing monochloroacetic acid
JP4659056B2 (ja) * 2008-03-04 2011-03-30 ダイセル化学工業株式会社 脱ハロゲン化触媒の製造方法
ES2625050T3 (es) 2011-10-20 2017-07-18 Akzo Nobel Chemicals International B.V. Proceso para la hidrodescloración de una alimentación líquida que comprende ácido dicloroacético
WO2013057125A1 (en) 2011-10-20 2013-04-25 Akzo Nobel Chemicals International B.V. Process for the purification of a liquid feed comprising mca and dca
CN104649887B (zh) * 2015-02-05 2017-05-03 中国天辰工程有限公司 一种氯乙酸生产方法及回收其生产过程中催化剂的方法
DK3271322T3 (da) 2015-03-17 2020-03-09 Nouryon Chemicals Int Bv Fremgangsmåde til oprensning af monochloreddikesyre

Also Published As

Publication number Publication date
JPS5030828A (hu) 1975-03-27
GB1411214A (en) 1975-10-22
NL7406061A (hu) 1974-11-13
FR2228759A1 (hu) 1974-12-06
FR2228759B1 (hu) 1978-01-27
DE2323777B1 (hu) 1974-06-06
BE814923A (fr) 1974-11-13
CA1020170A (en) 1977-11-01
DE2323777C2 (de) 1975-01-16

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