ZA978432B - Method of production of solids-free coal tar pitch. - Google Patents

Method of production of solids-free coal tar pitch.

Info

Publication number
ZA978432B
ZA978432B ZA9708432A ZA978432A ZA978432B ZA 978432 B ZA978432 B ZA 978432B ZA 9708432 A ZA9708432 A ZA 9708432A ZA 978432 A ZA978432 A ZA 978432A ZA 978432 B ZA978432 B ZA 978432B
Authority
ZA
South Africa
Prior art keywords
solids
production
coal tar
tar pitch
free coal
Prior art date
Application number
ZA9708432A
Other languages
English (en)
Inventor
Thomas Harry Orac
Ching Feng Chang
Irwin Charles Lewis
Richard Liichang Shao
Original Assignee
Ucar Carbon Tech
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 Ucar Carbon Tech filed Critical Ucar Carbon Tech
Publication of ZA978432B publication Critical patent/ZA978432B/xx

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
    • 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)
ZA9708432A 1996-09-27 1997-09-18 Method of production of solids-free coal tar pitch. ZA978432B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/722,469 US5843298A (en) 1996-09-27 1996-09-27 Method of production of solids-free coal tar pitch

Publications (1)

Publication Number Publication Date
ZA978432B true ZA978432B (en) 1998-03-26

Family

ID=24901971

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9708432A ZA978432B (en) 1996-09-27 1997-09-18 Method of production of solids-free coal tar pitch.

Country Status (7)

Country Link
US (1) US5843298A (xx)
EP (1) EP0946675A1 (xx)
JP (1) JP2001501238A (xx)
AU (1) AU4584897A (xx)
BR (1) BR9711561A (xx)
WO (1) WO1998013439A1 (xx)
ZA (1) ZA978432B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6103765A (en) * 1997-07-09 2000-08-15 Androsolutions, Inc. Methods for treating male erectile dysfunction
JP2002083595A (ja) * 2000-09-06 2002-03-22 Mitsubishi Gas Chem Co Inc コークス、人造黒鉛および非水溶媒二次電池負極用炭素材料の製造法とピッチ組成物
US7033485B2 (en) * 2001-05-11 2006-04-25 Koppers Industries Of Delaware, Inc. Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process
US20030106836A1 (en) * 2001-12-10 2003-06-12 Orac Thomas H. Batch process for making high flash point pitch
CN103059892B (zh) * 2013-01-25 2014-01-22 兖矿科蓝煤焦化有限公司 直接生产改质沥青的焦油加工蒸馏工艺
IL285529B2 (en) * 2014-05-13 2023-03-01 Amgen Inc Process control systems and methods for the use of filters and filtration processes
CN105254731B (zh) * 2015-10-19 2018-11-13 湖州森诺膜技术工程有限公司 一种煮茧废水蚕丝蛋白浓缩再回收系统
CN109722272A (zh) * 2018-12-17 2019-05-07 南京悠谷环保科技有限公司 一种溶剂纯化方法及装置
US11248172B2 (en) 2019-07-23 2022-02-15 Koppers Delaware, Inc. Heat treatment process and system for increased pitch yields
WO2021173735A1 (en) * 2020-02-24 2021-09-02 Carbon Holdings Intellectual Properties, Llc Systems and methods for the manufacture of high melting hydrocarbons from coal

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956944A (en) * 1958-02-10 1960-10-18 Allied Chem Process for filtering tar
NL267528A (xx) * 1960-07-26
US4183802A (en) * 1976-04-03 1980-01-15 Bergwerksverband Gmbh Process for the production of coke from pitch
JPS5360927A (en) * 1976-11-12 1978-05-31 Nippon Oil Co Ltd Continuous method of manufacturing petroleum pitch
JPS6041111B2 (ja) * 1976-11-26 1985-09-13 新日鐵化学株式会社 コ−クス製造原料の調整方法
DE2810332C2 (de) * 1978-03-10 1982-08-05 Rütgerswerke AG, 6000 Frankfurt Verfahren zur Abtrennung von chinolinunlöslichen Bestandteilen aus Steinkohlenteerpech
DE3006694C2 (de) * 1980-02-22 1982-07-29 Bergwerksverband Gmbh, 4300 Essen Verfahren zur Herstellung von Nadelkoks
US4436615A (en) * 1983-05-09 1984-03-13 United States Steel Corporation Process for removing solids from coal tar
US4604184A (en) * 1983-11-16 1986-08-05 Domtar Inc. Modified coal-tar pitch
US4954240A (en) * 1987-09-16 1990-09-04 Exxon Research & Engineering Company Combination coking and hydroconversion process
JPH03166290A (ja) * 1989-11-24 1991-07-18 Toho Gas Co Ltd コールタール、コールタールピッチの精製方法
US5534133A (en) * 1994-11-17 1996-07-09 Ucar Carbon Technology Corporation Continuous method for increasing the Q. I. concentration of liquid tar while concurrently producing a Q. I. free tar

Also Published As

Publication number Publication date
AU4584897A (en) 1998-04-17
US5843298A (en) 1998-12-01
JP2001501238A (ja) 2001-01-30
EP0946675A1 (en) 1999-10-06
WO1998013439A1 (en) 1998-04-02
BR9711561A (pt) 1999-08-24

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