ATE25662T1 - Verfahren zur reinigung von benzoesaeure. - Google Patents

Verfahren zur reinigung von benzoesaeure.

Info

Publication number
ATE25662T1
ATE25662T1 AT83201852T AT83201852T ATE25662T1 AT E25662 T1 ATE25662 T1 AT E25662T1 AT 83201852 T AT83201852 T AT 83201852T AT 83201852 T AT83201852 T AT 83201852T AT E25662 T1 ATE25662 T1 AT E25662T1
Authority
AT
Austria
Prior art keywords
purification
gas
benzoic acids
sup
reaction product
Prior art date
Application number
AT83201852T
Other languages
English (en)
Inventor
Ludovicus Anna Leon Kleintjens
Hubertus Maria Jozef Grooten
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Application granted granted Critical
Publication of ATE25662T1 publication Critical patent/ATE25662T1/de

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
    • C07C51/487Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
AT83201852T 1983-01-03 1983-12-29 Verfahren zur reinigung von benzoesaeure. ATE25662T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8300008A NL8300008A (nl) 1983-01-03 1983-01-03 Werkwijze voor de bereiding van benzoezuur.
EP83201852A EP0115101B1 (de) 1983-01-03 1983-12-29 Verfahren zur Reinigung von Benzoesäure

Publications (1)

Publication Number Publication Date
ATE25662T1 true ATE25662T1 (de) 1987-03-15

Family

ID=19841175

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83201852T ATE25662T1 (de) 1983-01-03 1983-12-29 Verfahren zur reinigung von benzoesaeure.

Country Status (6)

Country Link
US (1) US4539425A (de)
EP (1) EP0115101B1 (de)
JP (1) JPS59130836A (de)
AT (1) ATE25662T1 (de)
DE (1) DE3369968D1 (de)
NL (1) NL8300008A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8403559A (nl) * 1984-11-23 1986-06-16 Stamicarbon Werkwijze en inrichting voor het zuiveren van benzoezuur.
US4714526A (en) * 1985-06-10 1987-12-22 The University Of Rochester Supercritical fluid extraction method for multi-component systems
KR100437562B1 (ko) * 1996-06-07 2004-10-02 주식회사 삼양사 테레프탈산제조공정에서발생되는폐기물로부터안식향산을회수하는방법
CN111892494A (zh) * 2020-07-02 2020-11-06 江苏顺丰化工有限公司 一种苯甲酸的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1380277A (en) * 1919-12-12 1921-05-31 Barrett Co Catalytic oxidation of ortho-cresol
US1851361A (en) * 1927-08-08 1932-03-29 Selden Co Catalytic side chain oxidation of aromatic compounds
US1686913A (en) * 1927-10-18 1928-10-09 Selden Co Purification of benzoic acid and its derivatives
BE760038A (fr) * 1969-12-08 1971-05-17 Dow Chemical Co Purification de l'acide benzoique
DE2460822C2 (de) * 1974-12-21 1981-07-23 Bayer Ag, 5090 Leverkusen Gewinnung von Benzoesäure
DE2636489C2 (de) * 1976-08-13 1984-01-12 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Natriumbenzoat

Also Published As

Publication number Publication date
NL8300008A (nl) 1984-08-01
JPS59130836A (ja) 1984-07-27
EP0115101A3 (en) 1984-08-29
US4539425A (en) 1985-09-03
EP0115101B1 (de) 1987-03-04
EP0115101A2 (de) 1984-08-08
DE3369968D1 (en) 1987-04-09

Similar Documents

Publication Publication Date Title
KR920701215A (ko) N-포스포노메틸이미노디아세트산의 산화에 의한 n-포스포노메틸글리신의 제조방법
DE3671463D1 (de) Verfahren zur herstellung von kohlenwasserstoffe enthaltenden fluessigkeiten aus biomasse.
BE904997A (fr) Super purificateur pour le gaz argon et procede de purification de l'argon.
DE69313985D1 (de) Verfahren zur herstellung aromatischer carbonsäuren
ATE127707T1 (de) Verfahren zur oxidativen reinigung von stickoxide enthaltenden abgasen.
DE3260280D1 (en) Process for the preparation of isosorbid-5-nitrate
RO114606B1 (ro) Procedeu şi instalaţie de preparare a acizilor monocarboxilici din hidraţi de carbon, derivaţi de hidraţi de carbon sau alcooli primari
DE3772847D1 (de) Verfahren zur herstellung von 2-methyl-1,4-naphthochinon.
ES444356A1 (es) Procedimiento para la preparacion de acido oxalico y sus es-teres alquilicos.
ATE25662T1 (de) Verfahren zur reinigung von benzoesaeure.
ATE20542T1 (de) Verfahren zur wiedergewinnung von wolfram.
EG21138A (en) Bromine catalysed oxidation process
ATE24477T1 (de) Verfahren zur herstellung der pharmazeutischen benzoesaeure.
GB1500676A (en) Production of cresols
GB1294432A (en) Purification of carboxylic acid streams
ATE10618T1 (de) Verfahren zur herstellung von essigsaeureanhydrid und ggf. essigsaeure.
JPS5221297A (en) Recovering method of antimony pentachloride from used catalyst contain ing antimony
CS647486A2 (en) Method of gas cleaning
GB1411347A (en) Process for purifying 1,12 dodecanedioic acid
ES8203818A1 (es) Un procedimiento para preparar acido 2-metoxi-3,6-dicloro- benzoico de una pureza de mas de 95 por ciento en peso
ATE38978T1 (de) Verfahren zur herstellung von isobuttersaeurefluorid.
GB1382716A (en) Process for purifying adiponitrile
DE3663941D1 (en) Process for preparing purified solid benzoic acid
ATE3277T1 (de) Verfahren zur herstellung von essigsaeure durch carbonylierung.
JPS5390233A (en) Purification of terephthalic acid

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties