CA1236469A - Recovery of sulfolane - Google Patents

Recovery of sulfolane

Info

Publication number
CA1236469A
CA1236469A CA000480809A CA480809A CA1236469A CA 1236469 A CA1236469 A CA 1236469A CA 000480809 A CA000480809 A CA 000480809A CA 480809 A CA480809 A CA 480809A CA 1236469 A CA1236469 A CA 1236469A
Authority
CA
Canada
Prior art keywords
sulfolane
styrene
tbs
butylstyrene
recovery
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
CA000480809A
Other languages
English (en)
French (fr)
Inventor
Glen F. Crum
Stephen C. Mchaney
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.)
El Paso Products Co
Original Assignee
El Paso 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 El Paso Products Co filed Critical El Paso Products Co
Application granted granted Critical
Publication of CA1236469A publication Critical patent/CA1236469A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/46—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom
    • C07D333/48—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings substituted on the ring sulfur atom by oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000480809A 1984-08-31 1985-05-06 Recovery of sulfolane Expired CA1236469A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64626884A 1984-08-31 1984-08-31
US646,268 1984-08-31

Publications (1)

Publication Number Publication Date
CA1236469A true CA1236469A (en) 1988-05-10

Family

ID=24592408

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000480809A Expired CA1236469A (en) 1984-08-31 1985-05-06 Recovery of sulfolane

Country Status (6)

Country Link
JP (1) JPS6160624A (it)
CA (1) CA1236469A (it)
DE (1) DE3530753A1 (it)
FR (1) FR2569695A1 (it)
GB (1) GB2163741B (it)
IT (1) IT1186729B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6429330U (it) * 1987-08-13 1989-02-21
US4820849A (en) * 1987-12-30 1989-04-11 Shell Oil Company Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons
US4861447A (en) * 1988-05-27 1989-08-29 Shell Oil Company Process for reducing corrosive impurities in sulfolane used for extracting aromatic hydrocarbons
EP0412214B1 (en) * 1989-08-07 1994-04-13 Indian Petrochemicals Corporation Limited Purifying sulfolane
US5053137A (en) * 1989-08-21 1991-10-01 Indian Petrochemicals Corporation Limited Process for the purification or regeneration of contaminated or spent process sulfolane
DE4423959C2 (de) 1993-07-08 2001-07-12 Canon Kk Bildaufzeichnungs- oder Lesegerät
US8524046B2 (en) 2010-03-30 2013-09-03 Uop Llc Distillation column pressure control

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1054534A (it) *
GB1051089A (it) *
FR1345883A (fr) * 1962-12-27 1963-12-13 Shell Int Research Procédé de purification du sulfolane et de ses homologues
US3352765A (en) * 1964-12-21 1967-11-14 Phillips Petroleum Co Extractive distillation of sulfolane with an isoparaffing hydrocarbon entrainer
US3396090A (en) * 1966-06-29 1968-08-06 Universal Oil Prod Co Recovery of sulfolane by distillation with pre-vaporization
GB1134582A (en) * 1967-04-06 1968-11-27 Shell Int Research A process for the removal of corrosive contaminants from sulfolane-type solvents

Also Published As

Publication number Publication date
GB2163741B (en) 1987-12-02
FR2569695A1 (fr) 1986-03-07
IT8521032A0 (it) 1985-06-05
DE3530753A1 (de) 1986-03-13
JPS6160624A (ja) 1986-03-28
GB2163741A (en) 1986-03-05
IT1186729B (it) 1987-12-16
GB8510896D0 (en) 1985-06-05

Similar Documents

Publication Publication Date Title
US3723256A (en) Aromatic hydrocarbon recovery by extractive distillation, extraction and plural distillations
JP2673788B2 (ja) 混合炭化水素からベンゼンを回収する方法
CA1236469A (en) Recovery of sulfolane
US2762760A (en) Extractive distillation of phenol-containing mixtures
EP0062626B1 (en) Process for the distillation of vinyltoluene
US4418191A (en) Solvent purification
GB2104510A (en) Production of methylnaphthalenes and tar bases including indole
US4306945A (en) Extracting aromatic hydrocarbons from mixtures containing same
US4514261A (en) Refining of tertiary butylstyrene
US20040200717A1 (en) Purification of phenols
US2742411A (en) Recovery of furfural in extractive distillation purification of cyclic hydrocarbons
US5750009A (en) Method for purifying natural cresylic acid mixtures
JP3812851B2 (ja) １−フェニルエタノール、アセトフェノンまたはそれらの混合物からのフェノールの分離方法
US4543437A (en) Refining of tertiary butylstyrene
US2684934A (en) Process for drying methyl ethyl ketone
US4532012A (en) Production of high purity phenol by distillation with steam and a solvent
EP0382384B1 (en) Tetrahydrofuran purification
EP0186270B1 (en) Tertiary butylstyrene recovery
US3904676A (en) Purification of methyl acetate
EP0764646B1 (en) Methods of recovering and dehydrating ethylene sulfide
JP3455772B2 (ja) フェノール及びその誘導体の回収方法
CN105452205A (zh) 萃取蒸馏方法
CA1155873A (en) Process and apparatus for the production of vinyltoluene
US2799710A (en) Extraction process for the purification of aqueous formaldehyde
GB2163773A (en) Process for recovering tertiary butylstyrene

Legal Events

Date Code Title Description
MKEX Expiry