JPS6213336B2 - - Google Patents

Info

Publication number
JPS6213336B2
JPS6213336B2 JP53048607A JP4860778A JPS6213336B2 JP S6213336 B2 JPS6213336 B2 JP S6213336B2 JP 53048607 A JP53048607 A JP 53048607A JP 4860778 A JP4860778 A JP 4860778A JP S6213336 B2 JPS6213336 B2 JP S6213336B2
Authority
JP
Japan
Prior art keywords
hydrogen fluoride
glycolic acid
stripping
purification
inert gas
Prior art date
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.)
Expired
Application number
JP53048607A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53132522A (en
Inventor
Suzuki Shigeto
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.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology 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 Chevron Research and Technology Co filed Critical Chevron Research and Technology Co
Publication of JPS53132522A publication Critical patent/JPS53132522A/ja
Publication of JPS6213336B2 publication Critical patent/JPS6213336B2/ja
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP4860778A 1977-04-25 1978-04-24 Method of purifying crude glycol containing hydrogenfluoride Granted JPS53132522A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79022177A 1977-04-25 1977-04-25

Publications (2)

Publication Number Publication Date
JPS53132522A JPS53132522A (en) 1978-11-18
JPS6213336B2 true JPS6213336B2 (it) 1987-03-25

Family

ID=25150005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4860778A Granted JPS53132522A (en) 1977-04-25 1978-04-24 Method of purifying crude glycol containing hydrogenfluoride

Country Status (8)

Country Link
JP (1) JPS53132522A (it)
BE (1) BE864566A (it)
CA (1) CA1088564A (it)
DE (1) DE2817563A1 (it)
FR (1) FR2388786A1 (it)
GB (1) GB1583294A (it)
IT (1) IT1094716B (it)
NL (1) NL7804407A (it)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911003A (en) * 1974-06-19 1975-10-07 Chevron Res Process for the production of glycolic acid and oxydiacetic acid
US4016208A (en) * 1974-06-19 1977-04-05 Chevron Research Company Acid production

Also Published As

Publication number Publication date
FR2388786A1 (fr) 1978-11-24
JPS53132522A (en) 1978-11-18
GB1583294A (en) 1981-01-21
BE864566A (fr) 1978-07-03
IT7822507A0 (it) 1978-04-20
NL7804407A (nl) 1978-10-27
DE2817563C2 (it) 1987-08-06
CA1088564A (en) 1980-10-28
DE2817563A1 (de) 1978-10-26
FR2388786B1 (it) 1982-12-03
IT1094716B (it) 1985-08-02

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