FR2366248A1 - Procede de purification de phenols - Google Patents

Procede de purification de phenols

Info

Publication number
FR2366248A1
FR2366248A1 FR7729550A FR7729550A FR2366248A1 FR 2366248 A1 FR2366248 A1 FR 2366248A1 FR 7729550 A FR7729550 A FR 7729550A FR 7729550 A FR7729550 A FR 7729550A FR 2366248 A1 FR2366248 A1 FR 2366248A1
Authority
FR
France
Prior art keywords
neutral
solns
colourless
purification
acid soln
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.)
Withdrawn
Application number
FR7729550A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of FR2366248A1 publication Critical patent/FR2366248A1/fr
Withdrawn legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/22—Separation; Purification; Stabilisation; Use of additives
    • C07C231/24—Separation; Purification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a 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)

Abstract

L'invention concerne un procédé de purification de phénols, caractérisé en ce qu'on les traite, en solution neutre à acide, par de l'aluminium metallique.
FR7729550A 1976-10-01 1977-09-30 Procede de purification de phenols Withdrawn FR2366248A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762644318 DE2644318A1 (de) 1976-10-01 1976-10-01 Verfahren zur reinigung von phenolen

Publications (1)

Publication Number Publication Date
FR2366248A1 true FR2366248A1 (fr) 1978-04-28

Family

ID=5989410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7729550A Withdrawn FR2366248A1 (fr) 1976-10-01 1977-09-30 Procede de purification de phenols

Country Status (3)

Country Link
JP (1) JPS5344530A (fr)
DE (1) DE2644318A1 (fr)
FR (1) FR2366248A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334107A (en) * 1980-11-11 1982-06-08 Allied Chemical Corporation Catalytic purification of phenol
US4524222A (en) * 1984-01-26 1985-06-18 Ethyl Corporation Alkylated phenol purification
JPS61291526A (ja) * 1985-06-19 1986-12-22 Osaka Chem Lab 桑及び／又はこの近縁種を原料とする成人病予防食品

Also Published As

Publication number Publication date
DE2644318A1 (de) 1978-04-06
JPS5344530A (en) 1978-04-21

Similar Documents

Publication Publication Date Title
DE3751666D1 (de) Flüssige konzentrierte Zusammensetzung zur Herstellung von Phosphatierlösungen die Mangan enthalten
MX9308002A (es) Soluciones mejoradas de aminoacidos para dialisis peritoneal.
ATE70252T1 (de) Verfahren zur entsalzung und rehabilitierung bewaesserter boeden.
DE69012566T2 (de) Verfahren zur Gewinnung von Carnosäure.
EP0311954A3 (fr) L'emploi d'acide sulfamique pour inhiber la décomposition des phosphonates par des mélanges chlore-brome
ATE89008T1 (de) Modifizierung von alginaten oder sonstigen uronsaeureverbindungen durch co2-behandlung.
FR2280107A1 (fr) Procede et dispositif utilises a la fois pour le developpement et la conservation des plaques d'impression ainsi qu'une solution appropriee a ce traitement
PT64708A (fr) Procede pour la sequestration de oxygene dilue dans l'eau et des compositions utilises pour cet'effet
FR2366248A1 (fr) Procede de purification de phenols
GB1420511A (en) Process for the purification of cyclohexanone
BR8402801A (pt) Processo de purificacao de uma mistura agua-alcool em c1-c2 proveniente de um processo de fabricacao industrial de alcool em c1-c2
BR7502789A (pt) Aperfeicoamento no processo para tratamento de vapor d'agua gerado na concentracao de solucao aquosa de ureia
UA13377A (uk) Спосіб одержаhhя противірусhого засобу
JPS5466985A (en) Treatment of waste magnetic tapes
MA21046A1 (fr) Procede destine au traitement complementaire de solutions aqueuses d'acide fluosilicique .
DE3578135D1 (de) Behandlung eines ultrafiltrats durch elektrodialyse.
BR7508676A (pt) Aperfeicoamento em processo para tratamento de vapor d'agua gerado na concentracao de uma solucao aquosa de ureia
AT370421B (de) Verfahren zur herstellung von alkaloiden des leurosin-typs sowie von deren salzen
IT8746833A0 (it) Macchina per separare in continuo parti solide e semisolide dal liquido,nel trattamento di depurazione delle acque di scarico civili e industriali
ES2034969T3 (es) Un metodo para purificar un fosfato de azucar o su sal de metal alcalino.
JPS52139033A (en) Purification of borminated diphenylether
JPS52105573A (en) Treatment of acid washing waste liquid
JPS55164638A (en) Purification of phenol
JPS5665841A (en) Purification of lactic acid
FR2318232A1 (fr) Procede d'elimination des ions ferriques contenus dans une solution aqueuse concentree de zinc

Legal Events

Date Code Title Description
ST Notification of lapse