FR633542A - Process for the separation of neutral products from crude tar and its fractionation products - Google Patents

Process for the separation of neutral products from crude tar and its fractionation products

Info

Publication number
FR633542A
FR633542A FR633542DA FR633542A FR 633542 A FR633542 A FR 633542A FR 633542D A FR633542D A FR 633542DA FR 633542 A FR633542 A FR 633542A
Authority
FR
France
Prior art keywords
products
separation
fractionation
neutral
crude tar
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Friedrich Curt Bunge
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 filed Critical
Application granted granted Critical
Publication of FR633542A publication Critical patent/FR633542A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
    • 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
    • C07C37/005—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up
    • C07C37/007—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up from the tar industry

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR633542D 1927-03-21 1927-04-28 Process for the separation of neutral products from crude tar and its fractionation products Expired FR633542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE633542X 1927-03-21

Publications (1)

Publication Number Publication Date
FR633542A true FR633542A (en) 1928-01-31

Family

ID=6579134

Family Applications (1)

Application Number Title Priority Date Filing Date
FR633542D Expired FR633542A (en) 1927-03-21 1927-04-28 Process for the separation of neutral products from crude tar and its fractionation products

Country Status (1)

Country Link
FR (1) FR633542A (en)

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