GB2088850B - Treatment of n-methyl pyrrolidone - Google Patents

Treatment of n-methyl pyrrolidone

Info

Publication number
GB2088850B
GB2088850B GB8039475A GB8039475A GB2088850B GB 2088850 B GB2088850 B GB 2088850B GB 8039475 A GB8039475 A GB 8039475A GB 8039475 A GB8039475 A GB 8039475A GB 2088850 B GB2088850 B GB 2088850B
Authority
GB
United Kingdom
Prior art keywords
treatment
methyl pyrrolidone
pyrrolidone
methyl
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
GB8039475A
Other versions
GB2088850A (en
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB8039475A priority Critical patent/GB2088850B/en
Publication of GB2088850A publication Critical patent/GB2088850A/en
Application granted granted Critical
Publication of GB2088850B publication Critical patent/GB2088850B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
    • C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D207/24—Oxygen or sulfur atoms
    • C07D207/26—2-Pyrrolidones
    • C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
    • C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/10—Purification; Separation; Use of additives by extraction, i.e. purification or separation of liquid hydrocarbons with the aid of liquids
    • 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
    • C10G21/28—Recovery of used solvent
GB8039475A 1980-12-09 1980-12-09 Treatment of n-methyl pyrrolidone Expired GB2088850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8039475A GB2088850B (en) 1980-12-09 1980-12-09 Treatment of n-methyl pyrrolidone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8039475A GB2088850B (en) 1980-12-09 1980-12-09 Treatment of n-methyl pyrrolidone

Publications (2)

Publication Number Publication Date
GB2088850A GB2088850A (en) 1982-06-16
GB2088850B true GB2088850B (en) 1983-09-28

Family

ID=10517872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8039475A Expired GB2088850B (en) 1980-12-09 1980-12-09 Treatment of n-methyl pyrrolidone

Country Status (1)

Country Link
GB (1) GB2088850B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490240A (en) * 1983-08-29 1984-12-25 Exxon Research And Engineering Co. Removal of corrodants from NMP solvent by contacting with sacrificial metal
US4837338A (en) * 1986-06-16 1989-06-06 Exxon Research And Engineering Company Removal of impurities from n-methyl-pyrrolidone using highly pure water washed activated alumina
US4831160A (en) * 1987-01-05 1989-05-16 Exxon Research And Engineering Company Removal of volatile acids from NMP solvent vapors with sacrificial metal and ion exchange
US4919816A (en) * 1989-01-31 1990-04-24 Sun Refining And Marketing Company Removal of acidic impurities in processes for solvent extraction of aromatics from nonaromatics
US5777131A (en) * 1995-11-21 1998-07-07 Basf Corporation Post manufacture process for improving the properties of lactones and substituted lactams
IT1288114B1 (en) * 1996-06-13 1998-09-10 Fructamine Spa INTERMEDIATE PURIFICATION PROCESS
FR2763330B1 (en) * 1997-05-15 1999-07-30 Atochem Elf Sa PROCESS FOR THE PURIFICATION OF NEAR ANHYDROUS ORGANIC LIQUIDS
US6660875B1 (en) 1998-06-09 2003-12-09 Ppt Technologies, Llc Ion exchange purification of dielectric condensate precursor fluids and silicate esters such as tetraethylorthosilicate (TEOS)
US7329354B2 (en) 1998-06-09 2008-02-12 Ppt Technologies, Llc Purification of organic solvent fluids
DE19910504A1 (en) 1999-03-10 2000-09-14 Basf Ag Process for the purification of N-substituted lactams
US6217771B1 (en) * 1999-10-15 2001-04-17 Exxon Research And Engineering Company Ion exchange treatment of extraction solvent to remove acid contaminants
CN103058910B (en) * 2013-01-21 2014-09-17 郑州大学 Separation method of organic amine impurity in N-methyl pyrrolidinone
JP7106474B2 (en) * 2018-11-14 2022-07-26 オルガノ株式会社 N-methyl-2-pyrrolidone purification method, purification device, recovery purification method, and recovery purification system
WO2022186974A1 (en) * 2021-03-05 2022-09-09 Exxonmobil Chemical Patents Inc. Hydrocarbon extraction processes utilizing a cleansing bed

Also Published As

Publication number Publication date
GB2088850A (en) 1982-06-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee