IT963440B - Estrazione di olio lubrificante in controcorrente usando un sistema a due solventi - Google Patents

Estrazione di olio lubrificante in controcorrente usando un sistema a due solventi

Info

Publication number
IT963440B
IT963440B IT27509/72A IT2750972A IT963440B IT 963440 B IT963440 B IT 963440B IT 27509/72 A IT27509/72 A IT 27509/72A IT 2750972 A IT2750972 A IT 2750972A IT 963440 B IT963440 B IT 963440B
Authority
IT
Italy
Prior art keywords
countercurrent
solvent system
lubricant oil
oil extraction
extraction
Prior art date
Application number
IT27509/72A
Other languages
English (en)
Italian (it)
Original Assignee
Exxon Research Engineering 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 Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Application granted granted Critical
Publication of IT963440B publication Critical patent/IT963440B/it

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
    • C10G21/06—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
    • C10G21/12—Organic compounds only
    • C10G21/20—Nitrogen-containing compounds
    • 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
    • C10G21/02—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents with two or more solvents, which are introduced or withdrawn separately

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)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT27509/72A 1972-03-15 1972-07-27 Estrazione di olio lubrificante in controcorrente usando un sistema a due solventi IT963440B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00234733A US3843515A (en) 1972-03-15 1972-03-15 Countercurrent lube extraction with dual solvent system

Publications (1)

Publication Number Publication Date
IT963440B true IT963440B (it) 1974-01-10

Family

ID=22882571

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27509/72A IT963440B (it) 1972-03-15 1972-07-27 Estrazione di olio lubrificante in controcorrente usando un sistema a due solventi

Country Status (6)

Country Link
US (1) US3843515A (de)
JP (1) JPS568079B2 (de)
CA (1) CA978125A (de)
DE (1) DE2235454C2 (de)
FR (1) FR2175722B1 (de)
IT (1) IT963440B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168226A (en) * 1977-04-08 1979-09-18 Exxon Research & Engineering Co. Thermal stabilization of N-methyl-2-pyrrolidone
JPS53129802U (de) * 1977-12-19 1978-10-14
US4396492A (en) * 1981-11-03 1983-08-02 Exxon Research And Engineering Co. Method for retarding corrosion in petroleum processing operation using N-methyl pyrrolidone
US4604184A (en) * 1983-11-16 1986-08-05 Domtar Inc. Modified coal-tar pitch
US5120900A (en) * 1990-12-05 1992-06-09 Exxon Research And Engineering Company Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield
GB2289475B (en) * 1994-05-20 1998-05-27 Exxon Research Engineering Co Separation of aromatics from mixtures of hydrocarbons
US6294082B1 (en) * 1999-12-10 2001-09-25 Exxon Research And Engineering Company Process for solvent extraction of hydrocarbons providing an increased yield of raffinate
CN1748114A (zh) * 2002-12-19 2006-03-15 卡格斯－福尔康布里奇股份有限公司 用于液相萃取的***和方法
US7776218B2 (en) * 2003-12-19 2010-08-17 Kfi Intellectual Properties L.L.C. System for liquid extraction, and methods
KR101605053B1 (ko) * 2009-12-30 2016-03-21 아이알피씨 퍼블릭 컴퍼니 리미티드 낮은 폴리아로마틱 탄화수소 함량을 갖는 프로세스 오일의 제조방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630077A (de) *
US2246297A (en) * 1938-12-10 1941-06-17 Standard Oil Dev Co Solvent extraction process
CA944301A (en) * 1969-03-11 1974-03-26 Charles C. Hong Lube extraction with dual solvent systems

Also Published As

Publication number Publication date
DE2235454C2 (de) 1983-10-13
JPS568079B2 (de) 1981-02-21
JPS493906A (de) 1974-01-14
US3843515A (en) 1974-10-22
CA978125A (en) 1975-11-18
FR2175722A1 (de) 1973-10-26
DE2235454A1 (de) 1973-09-20
FR2175722B1 (de) 1976-10-29

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