DE2131642B2 - - Google Patents

Info

Publication number
DE2131642B2
DE2131642B2 DE19712131642 DE2131642A DE2131642B2 DE 2131642 B2 DE2131642 B2 DE 2131642B2 DE 19712131642 DE19712131642 DE 19712131642 DE 2131642 A DE2131642 A DE 2131642A DE 2131642 B2 DE2131642 B2 DE 2131642B2
Authority
DE
Germany
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.)
Granted
Application number
DE19712131642
Other languages
German (de)
Other versions
DE2131642A1 (de
DE2131642C3 (de
Inventor
Herbert Lytle Park Ridge Ill. Thompson (V.St.A.)
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.)
Universal Oil Products Co
Original Assignee
Universal Oil Products 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 Universal Oil Products Co filed Critical Universal Oil Products Co
Priority to DE19712131642 priority Critical patent/DE2131642C3/de
Publication of DE2131642A1 publication Critical patent/DE2131642A1/de
Publication of DE2131642B2 publication Critical patent/DE2131642B2/de
Application granted granted Critical
Publication of DE2131642C3 publication Critical patent/DE2131642C3/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
    • C10G21/28—Recovery of used solvent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
DE19712131642 1971-06-25 1971-06-25 Verfahren zur Rückgewinnung eines wasserlöslichen primären Lösungsmittels aus einem durch eine primäre Extraktion der Aromaten aus einem Kohlenwasserstoffbeschickungsstrom erzeugten nichtaromatischen Raffinatstrom Expired DE2131642C3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19712131642 DE2131642C3 (de) 1971-06-25 1971-06-25 Verfahren zur Rückgewinnung eines wasserlöslichen primären Lösungsmittels aus einem durch eine primäre Extraktion der Aromaten aus einem Kohlenwasserstoffbeschickungsstrom erzeugten nichtaromatischen Raffinatstrom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712131642 DE2131642C3 (de) 1971-06-25 1971-06-25 Verfahren zur Rückgewinnung eines wasserlöslichen primären Lösungsmittels aus einem durch eine primäre Extraktion der Aromaten aus einem Kohlenwasserstoffbeschickungsstrom erzeugten nichtaromatischen Raffinatstrom

Publications (3)

Publication Number Publication Date
DE2131642A1 DE2131642A1 (de) 1972-12-28
DE2131642B2 true DE2131642B2 (enExample) 1974-06-20
DE2131642C3 DE2131642C3 (de) 1975-02-20

Family

ID=5811805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712131642 Expired DE2131642C3 (de) 1971-06-25 1971-06-25 Verfahren zur Rückgewinnung eines wasserlöslichen primären Lösungsmittels aus einem durch eine primäre Extraktion der Aromaten aus einem Kohlenwasserstoffbeschickungsstrom erzeugten nichtaromatischen Raffinatstrom

Country Status (1)

Country Link
DE (1) DE2131642C3 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779095A (en) * 1986-10-28 1988-10-18 H & G Systems, Inc. Image change detection system

Also Published As

Publication number Publication date
DE2131642A1 (de) 1972-12-28
DE2131642C3 (de) 1975-02-20

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8339 Ceased/non-payment of the annual fee