GB870279A - A process for the production of pitches - Google Patents

A process for the production of pitches

Info

Publication number
GB870279A
GB870279A GB1369058A GB1369058A GB870279A GB 870279 A GB870279 A GB 870279A GB 1369058 A GB1369058 A GB 1369058A GB 1369058 A GB1369058 A GB 1369058A GB 870279 A GB870279 A GB 870279A
Authority
GB
United Kingdom
Prior art keywords
pitches
tube furnace
heavy oils
soft
pressure
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
GB1369058A
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 GB870279A publication Critical patent/GB870279A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C1/00—Working-up tar
    • C10C1/19—Working-up tar by thermal treatment not involving distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Tires In General (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

870,279. Pitches. RUTGERSWERKE-A.G. April 30, 1958 [May 21, 1957], No. 13690/58. Class 55 (2). Heavy oils and soft pitches which are free from residue and derived from high-boiling distillates of coal tar, low-temperature carbonization tar and generator tar are converted into pitches practically free from ashes by heating in a tube furnace under super atmospheric pressure, e.g. 10 atmospheres gauge to temperatures between 450‹ and 550‹ C. and subsequently subjecting the heavy oils and soft pitches to a further reaction period in a pressure vessel at substantially the same temperature and pressure as in the tube furnace. Prior to or during their heating in the tube furnace the heavy oils and soft pitches may be treated with an oxidizing gas, e.g. air, oxygen or oxides of nitrogen. Gaseous and vaporous products may be discharged from the pressure vessel under pressure so that flash evaporation occurs. The heavy oils and soft pitches may be caused to polymerize before being heated in the tube furnace, e.g. by use of AlCl 3 , FeCl 3 , ZnCl 2 , PCl 3 , PCl 5 , PoCl 3 , BF 3 or p.C 6 H 4 CH 3 SO 2 Cl catalysts. Examples are given.
GB1369058A 1957-05-21 1958-04-30 A process for the production of pitches Expired GB870279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER21194A DE1150997B (en) 1957-05-21 1957-05-21 Process for the production of ash-free pitches

Publications (1)

Publication Number Publication Date
GB870279A true GB870279A (en) 1961-06-14

Family

ID=7400858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1369058A Expired GB870279A (en) 1957-05-21 1958-04-30 A process for the production of pitches

Country Status (2)

Country Link
DE (1) DE1150997B (en)
GB (1) GB870279A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402928A (en) * 1981-03-27 1983-09-06 Union Carbide Corporation Carbon fiber production using high pressure treatment of a precursor material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4448670A (en) * 1982-02-08 1984-05-15 Exxon Research And Engineering Co. Aromatic pitch production from coal derived distillate
US4518482A (en) * 1982-07-19 1985-05-21 E. I. Du Pont De Nemours And Company Pitch for direct spinning into carbon fibers derived from a coal distillate feedstock

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE310075C (en) *
CA336923A (en) * 1933-11-07 S. Reeve Charles Tar and pitch processing
US1759816A (en) * 1928-09-11 1930-05-20 Barrett Co Distillation of tar
DE622735C (en) * 1932-08-07 1935-12-05 Teerverwertung M B H Ges Process for the processing of the distillates formed during the coking of pitch
GB703479A (en) * 1949-10-07 1954-02-03 Teerverwertung Gmbh Improvements in the continuous fractionation of tar
GB692325A (en) * 1950-05-08 1953-06-03 Ruetgerswerke Ag Improvements in and relating to the coking of liquefiable bituminous substances

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4402928A (en) * 1981-03-27 1983-09-06 Union Carbide Corporation Carbon fiber production using high pressure treatment of a precursor material

Also Published As

Publication number Publication date
DE1150997B (en) 1963-07-04

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