NO763448L - - Google Patents

Info

Publication number
NO763448L
NO763448L NO763448A NO763448A NO763448L NO 763448 L NO763448 L NO 763448L NO 763448 A NO763448 A NO 763448A NO 763448 A NO763448 A NO 763448A NO 763448 L NO763448 L NO 763448L
Authority
NO
Norway
Application number
NO763448A
Other languages
Norwegian (no)
Other versions
NO144419C (no
NO144419B (no
Inventor
H Buelow
H Hohenschutz
J E Schmidt
W Sachsze
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of NO763448L publication Critical patent/NO763448L/no
Publication of NO144419B publication Critical patent/NO144419B/no
Publication of NO144419C publication Critical patent/NO144419C/no

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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • 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

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)
NO763448A 1975-10-11 1976-10-08 Fremgangsmaate til utvinning av ren maursyre NO144419C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752545730 DE2545730A1 (de) 1975-10-11 1975-10-11 Verfahren zur reindarstellung von ameisensaeure

Publications (3)

Publication Number Publication Date
NO763448L true NO763448L (un) 1977-04-13
NO144419B NO144419B (no) 1981-05-18
NO144419C NO144419C (no) 1981-08-26

Family

ID=5958986

Family Applications (1)

Application Number Title Priority Date Filing Date
NO763448A NO144419C (no) 1975-10-11 1976-10-08 Fremgangsmaate til utvinning av ren maursyre

Country Status (11)

Country Link
US (1) US4076594A (un)
JP (1) JPS5248615A (un)
BE (1) BE847153A (un)
BR (1) BR7606722A (un)
CA (1) CA1062647A (un)
DE (1) DE2545730A1 (un)
ES (1) ES452287A1 (un)
FR (1) FR2327216A1 (un)
GB (1) GB1554280A (un)
NL (1) NL7611168A (un)
NO (1) NO144419C (un)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853991A1 (de) * 1978-12-14 1980-07-03 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
DE2914671A1 (de) * 1979-04-11 1980-10-23 Basf Ag Verfahren zur gewinnung von wasserfreier oder weitgehend wasserfreier ameisensaeure
NL8103517A (nl) * 1981-07-24 1983-02-16 Badger Bv Werkwijze voor het scheiden van carbonzuren van mengsels met niet-zuren door een absorptie-stripbehandeling.
JPS60176725A (ja) * 1984-02-22 1985-09-10 株式会社加賀田組 フアイバを使用したコンクリ−ト体
DE3417790A1 (de) * 1984-05-14 1985-11-14 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von ameisensaeure
JPS62183310A (ja) * 1986-02-07 1987-08-11 日本ハイブリツド工業株式会社 プレストレスト・コンクリ−ト板の製造方法
US4642166A (en) * 1986-02-10 1987-02-10 Lloyd Berg Dehydration of formic acid by extractive distillation
US4735690A (en) * 1986-03-10 1988-04-05 Lloyd Berg Dehydration of impure formic acid by extractive distillation
DE4211141A1 (de) * 1992-04-03 1993-10-07 Basf Ag Verfahren zur Herstellung von Ameisensäure durch thermische Spaltung von quartären Ammoniumformiaten
DE4444979A1 (de) * 1994-12-16 1996-06-20 Basf Ag Verfahren und Vorrichtung zur Gewinnung von Ameisensäure
WO2013030162A1 (en) 2011-08-27 2013-03-07 Taminco Process of formic acid production by hydrolysis of methyl formate
US10544077B2 (en) 2017-08-02 2020-01-28 Eastman Chemical Company Process for making formic acid utilizing higher-boiling formate esters
US10435349B2 (en) 2017-08-02 2019-10-08 Eastman Chemical Company Iron-catalyzed cross-coupling of methanol with secondary or tertiary alcohols to produce formate esters
US10570081B2 (en) 2017-08-02 2020-02-25 Eastman Chemical Company Process for making formic acid utilizing lower-boiling formate esters
US10266466B2 (en) 2017-08-02 2019-04-23 Eastman Chemical Company Iron-catalyzed transfer hydrogenation of esters to alcohols
US10266467B2 (en) 2017-08-02 2019-04-23 Eastman Chemical Company Synthesis of glycols via transfer hydrogenation of alpha-functional esters with alcohols
CN115353450A (zh) * 2022-09-26 2022-11-18 河北康壮环保科技股份有限公司 一种稀甲酸浓缩的工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1919850A (en) * 1933-07-25 Emil luscher
US2034332A (en) * 1933-09-30 1936-03-17 Firm Rudolph Koepp & Co Chem F Process for concentrating aqueous formic acid
US2313386A (en) * 1941-02-08 1943-03-09 Levesque Jean Process for concentration and extraction of acetic acid in aqueous solutions
US2342028A (en) * 1941-03-28 1944-02-15 Tide Water Associated Oil Comp Production of organic acids
US2357412A (en) * 1942-07-14 1944-09-05 Levesque Jean Process for concentration and extraction of formic acid in aqueous solutions
DE1568940C3 (de) * 1966-12-19 1978-12-07 Krupp-Koppers Gmbh, 4300 Essen Verfahren zur Abtrennung von Aromaten aus Kohlenwasserstoffgemischen beliebigen Aromatengehaltes
DE1908126C3 (de) * 1969-02-19 1974-06-27 Heinrich Koppers Gmbh, 4300 Essen Verfahren zur Trennung von gesättigten Kohlenwasserstoffen und Olefinen
BE793981A (fr) * 1972-01-15 1973-05-02 Huels Chemische Werke Ag Procede d'isolement de l'acide acetique par rectification extractive
NL7501253A (nl) * 1974-02-15 1975-08-19 Basf Ag Werkwijze voor het winnen van mierezuur.

Also Published As

Publication number Publication date
FR2327216B1 (un) 1980-05-09
CA1062647A (en) 1979-09-18
FR2327216A1 (fr) 1977-05-06
BE847153A (fr) 1977-04-12
ES452287A1 (es) 1978-03-01
NL7611168A (nl) 1977-04-13
JPS5248615A (en) 1977-04-18
NO144419C (no) 1981-08-26
US4076594A (en) 1978-02-28
GB1554280A (en) 1979-10-17
NO144419B (no) 1981-05-18
DE2545730A1 (de) 1977-04-21
BR7606722A (pt) 1977-11-16

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