DE3169195D1 - Treatment of coal tar - Google Patents

Treatment of coal tar

Info

Publication number
DE3169195D1
DE3169195D1 DE8181850196T DE3169195T DE3169195D1 DE 3169195 D1 DE3169195 D1 DE 3169195D1 DE 8181850196 T DE8181850196 T DE 8181850196T DE 3169195 T DE3169195 T DE 3169195T DE 3169195 D1 DE3169195 D1 DE 3169195D1
Authority
DE
Germany
Prior art keywords
treatment
coal tar
tar
coal
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
DE8181850196T
Other languages
German (de)
Inventor
Samuel Cukier
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.)
Stepan Canada Inc
Original Assignee
Domtar Inc
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 Domtar Inc filed Critical Domtar Inc
Application granted granted Critical
Publication of DE3169195D1 publication Critical patent/DE3169195D1/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
    • C10C1/02—Removal of water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Coke Industry (AREA)
DE8181850196T 1980-10-24 1981-10-23 Treatment of coal tar Expired DE3169195D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000363232A CA1138801A (en) 1980-10-24 1980-10-24 Treatment of coal tar with ethoxylated sulfated surface-active compositions

Publications (1)

Publication Number Publication Date
DE3169195D1 true DE3169195D1 (en) 1985-04-11

Family

ID=4118257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181850196T Expired DE3169195D1 (en) 1980-10-24 1981-10-23 Treatment of coal tar

Country Status (7)

Country Link
EP (1) EP0051056B1 (en)
JP (1) JPS57177088A (en)
AU (1) AU546514B2 (en)
CA (1) CA1138801A (en)
DE (1) DE3169195D1 (en)
ES (1) ES8205849A1 (en)
ZA (1) ZA817226B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744882A (en) * 1987-01-02 1988-05-17 Domtar Inc Polycondensates of sulfonated coal tar fractions
JP5812160B1 (en) * 2014-06-09 2015-11-11 栗田工業株式会社 Coal tar oil / water separator and coal tar oil / water separator
JP6350025B2 (en) * 2014-06-26 2018-07-04 栗田工業株式会社 Oil-water separation method and oil-water separation agent for oil-containing scum or oil-containing wastewater
JP5962784B2 (en) * 2015-01-13 2016-08-03 栗田工業株式会社 Oil-water separation method and oil-water separation agent for hydrous coal tar

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1010972B (en) * 1955-01-12 1957-06-27 Henkel & Cie Gmbh Process for the separation of mixtures of solid crystallizable and liquid substances found in tars
AU492350B2 (en) * 1974-07-29 1976-01-29 Texaco Development Corporation Demulsification compositions
US4139451A (en) * 1977-12-12 1979-02-13 Nalco Chemical Company Method for dewatering coke tar-water mixtures
US4277352A (en) * 1979-03-26 1981-07-07 Texaco Inc. Demulsification of emulsions produced from surfactant recovery operations and recovery of surfactants therefrom

Also Published As

Publication number Publication date
ES506517A0 (en) 1982-08-16
AU546514B2 (en) 1985-09-05
EP0051056B1 (en) 1985-03-06
EP0051056A1 (en) 1982-05-05
JPH0119439B2 (en) 1989-04-11
CA1138801A (en) 1983-01-04
ES8205849A1 (en) 1982-08-16
ZA817226B (en) 1982-09-29
JPS57177088A (en) 1982-10-30
AU7666181A (en) 1982-04-29

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Free format text: VOSSIUS, V., DIPL.-CHEM. DR.RER.NAT. TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D., DIPL.-PHYS. DR.RER.NAT. RAUH, P., DIPL.-CHEM. DR.RER.NAT. HERMANN, G., DIPL.-PHYS. DR.RER.NAT. SCHMIDT, J., DIPL.-ING. JAENICHEN, H., DIPL.-BIOL. DR.RER.NAT., PAT.-ANWAELTE TREMMEL, H., RECHTSANW., 8000 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: STEPAN CANADA INC., MISSISSAUGA, ONTARIO, CA

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

Free format text: VOSSIUS, V., DIPL.-CHEM. DR.RER.NAT. TAUCHNER, P., DIPL.-CHEM. DR.RER.NAT. HEUNEMANN, D., DIPL.-PHYS. DR.RER.NAT. RAUH, P., DIPL.-CHEM. DR.RER.NAT. HERMANN, G., DIPL.-PHYS. DR.RER.NAT. SCHMIDT, J., DIPL.-ING. JAENICHEN, H., DIPL.-BIOL. DR.RER.NAT., PAT.-ANWAELTE TREMMEL, H., RECHTSANW., 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee