IT1075585B - Processo per il ricupero di solvente comprendente n-metil-2-pirrolidone nell'estrazione di idrocarburi - Google Patents

Processo per il ricupero di solvente comprendente n-metil-2-pirrolidone nell'estrazione di idrocarburi

Info

Publication number
IT1075585B
IT1075585B IT21464/77A IT2146477A IT1075585B IT 1075585 B IT1075585 B IT 1075585B IT 21464/77 A IT21464/77 A IT 21464/77A IT 2146477 A IT2146477 A IT 2146477A IT 1075585 B IT1075585 B IT 1075585B
Authority
IT
Italy
Prior art keywords
pyrolidone
hydrocarbons
extraction
methyl
recovery process
Prior art date
Application number
IT21464/77A
Other languages
English (en)
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 IT1075585B publication Critical patent/IT1075585B/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
    • C10G21/28—Recovery of used solvent
IT21464/77A 1976-03-26 1977-03-21 Processo per il ricupero di solvente comprendente n-metil-2-pirrolidone nell'estrazione di idrocarburi IT1075585B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/670,887 US4057491A (en) 1976-03-26 1976-03-26 Solvent recovery process for N-methyl-2-pyrrolidone in hydrocarbon extraction

Publications (1)

Publication Number Publication Date
IT1075585B true IT1075585B (it) 1985-04-22

Family

ID=24692299

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21464/77A IT1075585B (it) 1976-03-26 1977-03-21 Processo per il ricupero di solvente comprendente n-metil-2-pirrolidone nell'estrazione di idrocarburi

Country Status (8)

Country Link
US (1) US4057491A (it)
JP (1) JPS5948040B2 (it)
CA (1) CA1097255A (it)
DE (1) DE2709679A1 (it)
FR (1) FR2345505A1 (it)
GB (1) GB1573259A (it)
IN (1) IN155943B (it)
IT (1) IT1075585B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208382A (en) * 1978-12-27 1980-06-17 Exxon Research & Engineering Co. Removing H2 S from gas with recycled NMP extraction solvent
US4294689A (en) * 1980-02-14 1981-10-13 Texaco, Inc. Solvent refining process
PH17150A (en) * 1980-02-14 1984-06-13 Texaco Development Corp Recovery of solvent in hydrocarbon extraction system
US4311583A (en) * 1980-02-27 1982-01-19 Texaco, Inc. Solvent extraction process
US4328092A (en) * 1980-03-07 1982-05-04 Texaco Inc. Solvent extraction of hydrocarbon oils
US4304660A (en) * 1980-04-14 1981-12-08 Texaco Inc. Manufacture of refrigeration oils
US4334983A (en) * 1980-06-30 1982-06-15 Exxon Research & Engineering Co. Stripping steam recycle for solvent recovery processes
US4325818A (en) * 1980-07-17 1982-04-20 Texaco, Inc. Dual solvent refining process
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
US4419227A (en) * 1982-05-12 1983-12-06 Texaco Inc. Recovery of solvent from a hydrocarbon extract
US4390418A (en) * 1982-05-12 1983-06-28 Texaco Inc. Recovery of solvent in hydrocarbon processing systems
EP0100401A1 (en) * 1982-05-12 1984-02-15 Texaco Development Corporation Recovery of solvent in hydrocarbon processing systems
EP0098359A3 (en) * 1982-07-06 1984-03-07 Texaco Development Corporation Recovery for solvent from a hydrocarbon extract
DE3834904A1 (de) * 1988-10-13 1990-04-19 Hoechst Ag Verfahren zur extraktion von n-methyl-pyrrolidon-(2)
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
US5230791A (en) * 1991-07-03 1993-07-27 Texaco Inc. Process for the reactivation of spent alumina-supported hydrotreating catalysts
US5209840A (en) * 1991-10-02 1993-05-11 Texaco Inc. Separation of active catalyst particles from spent catalyst particles by air elutriation
DE4300921C1 (de) * 1993-01-15 1994-04-14 Hoechst Ag Verfahren zur Lösungsmittel-Rückgewinnung sowie dafür geeignete Vorrichtung
GB2289475B (en) * 1994-05-20 1998-05-27 Exxon Research Engineering Co Separation of aromatics from mixtures of hydrocarbons
US6117309A (en) * 1997-09-08 2000-09-12 Probex Corporation Method of rerefining waste oil by distillation and extraction
DE10031288A1 (de) * 2000-06-27 2002-01-10 Clariant Gmbh Verfahren zur Abtrennung von Chlorwasserstoff aus einem ein N-Alkyl-2-pyrrolidon und Clorwasserstoff enthaltenden Gemisch
US9448221B2 (en) * 2011-05-18 2016-09-20 Saudi Arabian Oil Company Method, solvent formulation and apparatus for the measurement of the salt content in petroleum fluids
US9005405B2 (en) * 2012-03-01 2015-04-14 Cpc Corporation, Taiwan Extractive distillation process for benzene recovery
US9512369B1 (en) 2013-03-14 2016-12-06 James Joseph Noble Process for removing color bodies from used oil
US10881984B2 (en) * 2015-11-10 2021-01-05 Hindustan Petroleum Corporation Limited Composition and a process for reducing aromatics from a hydrocarbon feedstock
CN112225402A (zh) * 2020-10-12 2021-01-15 重庆工商大学 一种化学合成制药溶媒回收废水处理方法
CN114409167A (zh) * 2022-01-26 2022-04-29 明士新材料有限公司 一种pspi生产过程中高cod浓度废水处理回收工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2104401A (en) * 1934-07-14 1938-01-04 Standard Oil Dev Co Process for solvent treating oils and recovering solvent
US2111822A (en) * 1934-10-01 1938-03-22 Standard Oil Co Recovery of solvents
US2167730A (en) * 1935-10-04 1939-08-01 Lummus Co Solvent extraction and recovery
US2687982A (en) * 1950-11-24 1954-08-31 Standard Oil Dev Co Combination deasphalting, phenol treating, and dewaxing process
US2923680A (en) * 1956-12-31 1960-02-02 Exxon Research Engineering Co Extraction process for refining lubricating oils
US3234994A (en) * 1963-04-26 1966-02-15 Dow Chemical Co Concentration of polymers from solutions by flash vaporization
US3461066A (en) * 1966-12-23 1969-08-12 Texaco Inc Solvent recovery in the solvent extraction of hydrocarbon oils
US3470089A (en) * 1967-06-20 1969-09-30 Nixon Roberta L Separation of solvent from raffinate phase in the solvent refining of lubricating oil stocks with n-methyl-2-pyrrolidone
US3476680A (en) * 1967-11-28 1969-11-04 Texaco Inc Solvent refining of hydrocarbon mixtures with n-methyl-2-pyrrolidone

Also Published As

Publication number Publication date
CA1097255A (en) 1981-03-10
US4057491A (en) 1977-11-08
DE2709679A1 (de) 1977-09-29
IN155943B (it) 1985-03-30
DE2709679C2 (it) 1987-07-23
GB1573259A (en) 1980-08-20
JPS52125504A (en) 1977-10-21
FR2345505A1 (fr) 1977-10-21
FR2345505B1 (it) 1983-11-25
JPS5948040B2 (ja) 1984-11-22

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Effective date: 19960123