EP0971777A4 - METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS - Google Patents

METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS

Info

Publication number
EP0971777A4
EP0971777A4 EP98915298A EP98915298A EP0971777A4 EP 0971777 A4 EP0971777 A4 EP 0971777A4 EP 98915298 A EP98915298 A EP 98915298A EP 98915298 A EP98915298 A EP 98915298A EP 0971777 A4 EP0971777 A4 EP 0971777A4
Authority
EP
European Patent Office
Prior art keywords
alkanols
recovering
aqueous hbr
hbr solutions
solutions
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.)
Withdrawn
Application number
EP98915298A
Other languages
German (de)
French (fr)
Other versions
EP0971777A1 (en
Inventor
Richard J Degroot
James T Ayres
Karl E Reineke
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.)
Great Lakes Chemical Corp
Original Assignee
Great Lakes Chemical Corp
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 Great Lakes Chemical Corp filed Critical Great Lakes Chemical Corp
Publication of EP0971777A1 publication Critical patent/EP0971777A1/en
Publication of EP0971777A4 publication Critical patent/EP0971777A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
    • B01D5/006—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with evaporation or distillation
    • B01D5/0063—Reflux condensation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/09—Bromine; Hydrogen bromide
    • C01B7/093—Hydrogen bromide
EP98915298A 1997-04-03 1998-04-03 METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS Withdrawn EP0971777A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US4390397P 1997-04-03 1997-04-03
US43903P 1997-04-03
US86413997A 1997-05-28 1997-05-28
US864139 1997-05-28
PCT/US1998/006760 WO1998043717A1 (en) 1997-04-03 1998-04-03 METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS

Publications (2)

Publication Number Publication Date
EP0971777A1 EP0971777A1 (en) 2000-01-19
EP0971777A4 true EP0971777A4 (en) 2000-04-26

Family

ID=26720957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98915298A Withdrawn EP0971777A4 (en) 1997-04-03 1998-04-03 METHOD FOR RECOVERING ALKANOLS FROM AQUEOUS HBr SOLUTIONS

Country Status (5)

Country Link
EP (1) EP0971777A4 (en)
JP (1) JP2001518884A (en)
KR (1) KR20010005937A (en)
IL (1) IL132140A0 (en)
WO (1) WO1998043717A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5986149A (en) * 1997-04-03 1999-11-16 Great Lakes Chemical Corporation Method for recovering alkanols from aqueous HBr-solutions

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686076A (en) * 1969-12-18 1972-08-22 Gulf Research Development Co Separation of dry hbr from a dilute aqueous solution of hbr
US4990321A (en) * 1989-01-27 1991-02-05 Tosoh Corporation Method for recovering hydrobromic acid and methanol
WO1996008442A1 (en) * 1994-09-14 1996-03-21 Teisan Kabushiki Kaisha Method and apparatus for preparing high purity hydrogen bromide

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1253055A (en) * 1913-10-04 1918-01-08 Roessler & Hasslacher Chemical Process for manufacturing alcohols.
US1688726A (en) * 1922-09-07 1928-10-23 Ralph H Mckee Hydrolysis of methyl chloride
GB8823671D0 (en) * 1988-10-08 1988-11-16 British Petroleum Co Plc Method for mixing vapour

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3686076A (en) * 1969-12-18 1972-08-22 Gulf Research Development Co Separation of dry hbr from a dilute aqueous solution of hbr
US4990321A (en) * 1989-01-27 1991-02-05 Tosoh Corporation Method for recovering hydrobromic acid and methanol
WO1996008442A1 (en) * 1994-09-14 1996-03-21 Teisan Kabushiki Kaisha Method and apparatus for preparing high purity hydrogen bromide

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SATTLER, KLAUS ET AL: "Thermal Separation Processes", 1995, VCH VERLAGSGESELLSCHAFT MBH, WEINHEIM, XP002131864 *
See also references of WO9843717A1 *

Also Published As

Publication number Publication date
IL132140A0 (en) 2001-03-19
EP0971777A1 (en) 2000-01-19
JP2001518884A (en) 2001-10-16
KR20010005937A (en) 2001-01-15
WO1998043717A1 (en) 1998-10-08

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