FR2277061A1 - Procede de production de naphtalene ou de ses homologues, purs - Google Patents

Procede de production de naphtalene ou de ses homologues, purs

Info

Publication number
FR2277061A1
FR2277061A1 FR7520096A FR7520096A FR2277061A1 FR 2277061 A1 FR2277061 A1 FR 2277061A1 FR 7520096 A FR7520096 A FR 7520096A FR 7520096 A FR7520096 A FR 7520096A FR 2277061 A1 FR2277061 A1 FR 2277061A1
Authority
FR
France
Prior art keywords
naphthalene
homologues
sulphonic acid
formaldehyde
dephenolated
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Withdrawn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
FR7520096A
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.)
Ruetgers Germany GmbH
Original Assignee
Ruetgerswerke 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 Ruetgerswerke AG filed Critical Ruetgerswerke AG
Publication of FR2277061A1 publication Critical patent/FR2277061A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/14875—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
    • C07C7/171—Sulfuric acid or oleum
FR7520096A 1974-07-04 1975-06-26 Procede de production de naphtalene ou de ses homologues, purs Withdrawn FR2277061A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742432066 DE2432066A1 (de) 1974-07-04 1974-07-04 Verfahren zur gewinnung von reinem naphthalin bzw. von dessen reinen homologen

Publications (1)

Publication Number Publication Date
FR2277061A1 true FR2277061A1 (fr) 1976-01-30

Family

ID=5919657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7520096A Withdrawn FR2277061A1 (fr) 1974-07-04 1975-06-26 Procede de production de naphtalene ou de ses homologues, purs

Country Status (3)

Country Link
BE (1) BE830969A (fr)
DE (1) DE2432066A1 (fr)
FR (1) FR2277061A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015831A1 (fr) * 1979-03-02 1980-09-17 Société Chimique des Charbonnages Procédé de préparation de naphtalène sulfoné au moins en partie et application du produit obtenu à la purification du naphtalène
WO2000066521A1 (fr) * 1999-04-28 2000-11-09 Nippon Steel Chemical Co., Ltd. Procede pour purifier des hydrocarbures aromatiques et procede pour preparer des hydrocarbures aromatiques tres purs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015831A1 (fr) * 1979-03-02 1980-09-17 Société Chimique des Charbonnages Procédé de préparation de naphtalène sulfoné au moins en partie et application du produit obtenu à la purification du naphtalène
FR2450252A1 (fr) * 1979-03-02 1980-09-26 Huiles Goudrons & Derives Procede de preparation de naphtalene sulfone au moins en partie et application du produit obtenu a la purification du naphtalene
WO2000066521A1 (fr) * 1999-04-28 2000-11-09 Nippon Steel Chemical Co., Ltd. Procede pour purifier des hydrocarbures aromatiques et procede pour preparer des hydrocarbures aromatiques tres purs

Also Published As

Publication number Publication date
DE2432066A1 (de) 1976-01-15
BE830969A (fr) 1975-11-03

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Legal Events

Date Code Title Description
ST Notification of lapse