DE69322613D1 - Verfahren zur herstellung von zum impregnieren von kohlenstollelktroden geeignetem pech aus kohlenteer - Google Patents

Verfahren zur herstellung von zum impregnieren von kohlenstollelktroden geeignetem pech aus kohlenteer

Info

Publication number
DE69322613D1
DE69322613D1 DE69322613T DE69322613T DE69322613D1 DE 69322613 D1 DE69322613 D1 DE 69322613D1 DE 69322613 T DE69322613 T DE 69322613T DE 69322613 T DE69322613 T DE 69322613T DE 69322613 D1 DE69322613 D1 DE 69322613D1
Authority
DE
Germany
Prior art keywords
pech
tar
carbon
impregnating
electrodes
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 - Fee Related
Application number
DE69322613T
Other languages
English (en)
Other versions
DE69322613T2 (de
Inventor
John Stipanovich
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.)
Koppers Inc
Original Assignee
Aristech Chemical Corp
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 Aristech Chemical Corp filed Critical Aristech Chemical Corp
Application granted granted Critical
Publication of DE69322613D1 publication Critical patent/DE69322613D1/de
Publication of DE69322613T2 publication Critical patent/DE69322613T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C10C1/04—Working-up tar by distillation
    • C10C1/16—Winning of pitch

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Ceramic Products (AREA)
DE69322613T 1992-08-06 1993-07-30 Verfahren zur herstellung von zum impregnieren von kohlenstollelktroden geeignetem pech aus kohlenteer Expired - Fee Related DE69322613T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/925,160 US5326457A (en) 1992-08-06 1992-08-06 Process for making carbon electrode impregnating pitch from coal tar
PCT/US1993/007182 WO1994003559A1 (en) 1992-08-06 1993-07-30 Process for making carbon electrode impregnating pitch from coal tar

Publications (2)

Publication Number Publication Date
DE69322613D1 true DE69322613D1 (de) 1999-01-28
DE69322613T2 DE69322613T2 (de) 1999-08-19

Family

ID=25451308

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69322613T Expired - Fee Related DE69322613T2 (de) 1992-08-06 1993-07-30 Verfahren zur herstellung von zum impregnieren von kohlenstollelktroden geeignetem pech aus kohlenteer

Country Status (7)

Country Link
US (1) US5326457A (de)
EP (1) EP0612344B1 (de)
JP (1) JPH07500143A (de)
AT (1) ATE174615T1 (de)
CA (1) CA2120597A1 (de)
DE (1) DE69322613T2 (de)
WO (1) WO1994003559A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19703703B4 (de) * 1996-09-27 2007-02-01 Steel Authority Of India Ltd. Verfahren zur Produktion von geeignetem Pech zum Imprägnieren von Graphitelektroden für Lichtbogenöfen
US20100038288A1 (en) * 2008-08-12 2010-02-18 MR&E, Ltd. Refining coal-derived liquid from coal gasification, coking, and other coal processing operations
US8366882B2 (en) * 2009-07-14 2013-02-05 C20 Technologies, Llc Process for treating agglomerating coal by removing volatile components
US8470134B2 (en) * 2009-07-14 2013-06-25 C2O Technologies, Llc Process for treating coal by removing volatile components
WO2012037454A2 (en) 2010-09-16 2012-03-22 Rinker Franklin G Coal processing with added biomass and volatile control
US8968520B2 (en) 2011-06-03 2015-03-03 National Institute Of Clean And Low-Carbon Energy (Nice) Coal processing to upgrade low rank coal having low oil content
US9005322B2 (en) 2011-07-12 2015-04-14 National Institute Of Clean And Low-Carbon Energy (Nice) Upgrading coal and other carbonaceous fuels using a lean fuel gas stream from a pyrolysis step
US9074138B2 (en) 2011-09-13 2015-07-07 C2O Technologies, Llc Process for treating coal using multiple dual zone steps
AU2014205416A1 (en) 2013-01-09 2015-07-09 C2O Technologies Llc Process for treating coal to improve recovery of condensable coal derived liquids
US9327320B1 (en) 2015-01-29 2016-05-03 Green Search, LLC Apparatus and method for coal dedusting

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748063A (en) * 1952-10-21 1956-05-29 Wood Steel Co Alan Distillation of coal tar
US3010893A (en) * 1958-12-22 1961-11-28 Consolidation Coal Co Method for removing finely divided solid particles from low temperature carbonization tars
US3069347A (en) * 1960-04-05 1962-12-18 United States Steel Corp Method of increasing the anthracene content of creosote
FR2268857B1 (de) * 1974-04-25 1978-01-27 Sofresid
US4277324A (en) * 1979-04-13 1981-07-07 Exxon Research & Engineering Co. Treatment of pitches in carbon artifact manufacture
JPS5941387A (ja) * 1982-08-30 1984-03-07 Osaka Gas Co Ltd ピッチの製造方法
US4436615A (en) * 1983-05-09 1984-03-13 United States Steel Corporation Process for removing solids from coal tar
JPS6049085A (ja) * 1983-08-29 1985-03-18 Osaka Gas Co Ltd コ−ルタ−ル又はコ−ルタ−ルピツチの処理方法
US4664774A (en) * 1984-07-06 1987-05-12 Allied Corporation Low solids content, coal tar based impregnating pitch
JPS63130697A (ja) * 1986-11-21 1988-06-02 Mitsubishi Kasei Corp 炭素材用含浸剤の製造法
FR2612525B1 (fr) * 1987-03-20 1989-05-19 Huiles Goudrons & Derives Brai d'impregnation a filtrabilite amelioree et son procede de fabrication
JPH02269191A (ja) * 1988-12-27 1990-11-02 Nippon Steel Corp 高純度炭素材原料用バインダーピッチ及びその製造方法
US4961837A (en) * 1989-04-28 1990-10-09 Intevep, S.A. Process for the production of petroleum tar pitch for use as a binder in the production of electrodes

Also Published As

Publication number Publication date
JPH07500143A (ja) 1995-01-05
ATE174615T1 (de) 1999-01-15
WO1994003559A1 (en) 1994-02-17
CA2120597A1 (en) 1994-02-17
DE69322613T2 (de) 1999-08-19
US5326457A (en) 1994-07-05
EP0612344B1 (de) 1998-12-16
EP0612344A1 (de) 1994-08-31
EP0612344A4 (de) 1995-05-03

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: KOPPERS INDUSTRIES, INC., PITTSBURGH, PA., US

8328 Change in the person/name/address of the agent

Free format text: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER, ANWALTSSOZIETAET, 80538 MUENCHEN

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee