FR1065533A - Perfectionnements apportés à la purification d'acides de goudron à bas point d'ébullition - Google Patents

Perfectionnements apportés à la purification d'acides de goudron à bas point d'ébullition

Info

Publication number
FR1065533A
FR1065533A FR1065533DA FR1065533A FR 1065533 A FR1065533 A FR 1065533A FR 1065533D A FR1065533D A FR 1065533DA FR 1065533 A FR1065533 A FR 1065533A
Authority
FR
France
Prior art keywords
purification
low
tar acids
boiling tar
boiling
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
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.)
Consolidation Coal Co
Pittsburgh Consolidation Coal Co
Original Assignee
Consolidation Coal Co
Pittsburgh Consolidation Coal Co
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 Consolidation Coal Co, Pittsburgh Consolidation Coal Co filed Critical Consolidation Coal Co
Application granted granted Critical
Publication of FR1065533A publication Critical patent/FR1065533A/fr
Expired 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
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
FR1065533D 1952-07-09 1952-07-09 Perfectionnements apportés à la purification d'acides de goudron à bas point d'ébullition Expired FR1065533A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1065533T 1952-07-09

Publications (1)

Publication Number Publication Date
FR1065533A true FR1065533A (fr) 1954-05-26

Family

ID=9602293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1065533D Expired FR1065533A (fr) 1952-07-09 1952-07-09 Perfectionnements apportés à la purification d'acides de goudron à bas point d'ébullition

Country Status (1)

Country Link
FR (1) FR1065533A (fr)

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