GB2163741B - Recovery of sulfolane - Google Patents

Recovery of sulfolane

Info

Publication number
GB2163741B
GB2163741B GB08510896A GB8510896A GB2163741B GB 2163741 B GB2163741 B GB 2163741B GB 08510896 A GB08510896 A GB 08510896A GB 8510896 A GB8510896 A GB 8510896A GB 2163741 B GB2163741 B GB 2163741B
Authority
GB
United Kingdom
Prior art keywords
sulfolane
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
GB08510896A
Other versions
GB8510896D0 (en
GB2163741A (en
Inventor
Glen Francis Crum
Stephen Craig 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
Publication of GB8510896D0 publication Critical patent/GB8510896D0/en
Publication of GB2163741A publication Critical patent/GB2163741A/en
Application granted granted Critical
Publication of GB2163741B publication Critical patent/GB2163741B/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
GB08510896A 1984-08-31 1985-04-30 Recovery of sulfolane Expired GB2163741B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64626884A 1984-08-31 1984-08-31

Publications (3)

Publication Number Publication Date
GB8510896D0 GB8510896D0 (en) 1985-06-05
GB2163741A GB2163741A (en) 1986-03-05
GB2163741B true GB2163741B (en) 1987-12-02

Family

ID=24592408

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08510896A Expired GB2163741B (en) 1984-08-31 1985-04-30 Recovery of sulfolane

Country Status (6)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6429330U (en) * 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 (en) 1993-07-08 2001-07-12 Canon Kk Image recording or reading device
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
GB1051089A (en) *
GB1054534A (en) *
FR1345883A (en) * 1962-12-27 1963-12-13 Shell Int Research Purification process for sulfolane and its 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
FR2569695A1 (en) 1986-03-07
GB8510896D0 (en) 1985-06-05
IT1186729B (en) 1987-12-16
JPS6160624A (en) 1986-03-28
CA1236469A (en) 1988-05-10
IT8521032A0 (en) 1985-06-05
GB2163741A (en) 1986-03-05
DE3530753A1 (en) 1986-03-13

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee