BE774942A - Procede de separation d'acide terephthalique n'ayant pas reagi - Google Patents

Procede de separation d'acide terephthalique n'ayant pas reagi

Info

Publication number
BE774942A
BE774942A BE774942A BE774942A BE774942A BE 774942 A BE774942 A BE 774942A BE 774942 A BE774942 A BE 774942A BE 774942 A BE774942 A BE 774942A BE 774942 A BE774942 A BE 774942A
Authority
BE
Belgium
Prior art keywords
reacted
terephthalic acid
separating terephthalic
separating
acid
Prior art date
Application number
BE774942A
Other languages
English (en)
French (fr)
Original Assignee
Teijin Ltd
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
Priority claimed from JP9841670A external-priority patent/JPS507068B1/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of BE774942A publication Critical patent/BE774942A/xx

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/24—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran
    • C07C67/26—Preparation of carboxylic acid esters by reacting carboxylic acids or derivatives thereof with a carbon-to-oxygen ether bond, e.g. acetal, tetrahydrofuran with an oxirane ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE774942A 1970-11-04 1971-11-04 Procede de separation d'acide terephthalique n'ayant pas reagi BE774942A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9640970 1970-11-04
JP9841670A JPS507068B1 (enExample) 1970-11-09 1970-11-09

Publications (1)

Publication Number Publication Date
BE774942A true BE774942A (fr) 1972-03-01

Family

ID=26437617

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774942A BE774942A (fr) 1970-11-04 1971-11-04 Procede de separation d'acide terephthalique n'ayant pas reagi

Country Status (8)

Country Link
US (1) US3787480A (enExample)
BE (1) BE774942A (enExample)
CA (1) CA955264A (enExample)
CH (1) CH570960A5 (enExample)
FR (1) FR2113569A5 (enExample)
GB (1) GB1366697A (enExample)
IT (1) IT939161B (enExample)
NL (1) NL7115200A (enExample)

Also Published As

Publication number Publication date
US3787480A (en) 1974-01-22
CA955264A (en) 1974-09-24
CH570960A5 (enExample) 1975-12-31
IT939161B (it) 1973-02-10
DE2154880A1 (de) 1972-07-06
NL7115200A (enExample) 1972-05-08
GB1366697A (en) 1974-09-11
FR2113569A5 (enExample) 1972-06-23
DE2154880B2 (de) 1976-11-11

Similar Documents

Publication Publication Date Title
BE775320A (fr) Procede de separation d'acide fluorhydrique
BE775252A (fr) Procede de preparation d'acide acrylique
BE791653A (fr) Procede electrolytique de preparation de l'acide
BE762518A (fr) Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux
BE768539A (fr) Procede de separation
BE772277A (fr) Procede de purification de l'acide terephtalique
BE760832A (fr) Procede de separation de l'acide acrylique d'un acide acryliquebrut aqueux
BE770319A (fr) Procede de dissociation de l'acide sulfurique
BE816367A (fr) Procede de regeneration d'acide sulfurique
BE799780A (fr) Procede d'esterification de l'acide terephtalique,
BE787770A (fr) Procede de preparation d'acide glyoxylique
BE776407A (fr) Procede de preparation de l'acide phenyl-1-vinylphosphorique
BE821374A (fr) Procede de recuperation d'acide nitrique
BE780450A (fr) Procede de purification d'acide cyanurique
BE764364A (fr) Procede de preparation d'acide levulinique
BE777259A (fr) Procede de separation d'acides gras
BE786650A (fr) Procede de preparation de l'acide squarique
BE819763R (fr) Procede de separation d'acide fluorhydrique
BE774942A (fr) Procede de separation d'acide terephthalique n'ayant pas reagi
BE791400A (fr) Procede de production d'acide sulfurique
BE759328A (fr) Procede de separation de melanges d'acides
BE765849A (fr) Procede de preparation d'acide sulfurique
BE772474A (fr) Procede de separation d'acide citrique
BE750844A (fr) Procede de purification d'acide lactique
BE792559A (fr) Procede pour la separation de lactames