ZA895864B - Process for the separation of hf via azeotropic distillation - Google Patents

Process for the separation of hf via azeotropic distillation

Info

Publication number
ZA895864B
ZA895864B ZA895864A ZA895864A ZA895864B ZA 895864 B ZA895864 B ZA 895864B ZA 895864 A ZA895864 A ZA 895864A ZA 895864 A ZA895864 A ZA 895864A ZA 895864 B ZA895864 B ZA 895864B
Authority
ZA
South Africa
Prior art keywords
separation
azeotropic distillation
via azeotropic
distillation
azeotropic
Prior art date
Application number
ZA895864A
Inventor
Leo Ernest Manzer
Ernest Manzer Leo
Velliyur Nott Mallikarjuna Rao
Nott Mallikarjuna Rao Velliyur
Richard T Rockwell
T Rockwell Richard
Michael Andrew Sisk
Andrew Sisk Michael
Edwin James Warwas
James Warwas Edwin
Roy Winteringham
Winteringham Roy
Original Assignee
Du Pont
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
Priority claimed from US07/226,736 external-priority patent/US4911792A/en
Application filed by Du Pont filed Critical Du Pont
Publication of ZA895864B publication Critical patent/ZA895864B/en

Links

Classifications

    • 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
    • C01B7/19—Fluorine; Hydrogen fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
ZA895864A 1988-08-01 1989-08-01 Process for the separation of hf via azeotropic distillation ZA895864B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/226,736 US4911792A (en) 1988-08-01 1988-08-01 Process for the separation of HF via phase separation and distillation

Publications (1)

Publication Number Publication Date
ZA895864B true ZA895864B (en) 1991-04-24

Family

ID=22850188

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA895864A ZA895864B (en) 1988-08-01 1989-08-01 Process for the separation of hf via azeotropic distillation

Country Status (7)

Country Link
KR (1) KR900003058A (en)
CN (1) CN1019008B (en)
AR (1) AR245089A1 (en)
AT (1) ATE86958T1 (en)
BR (1) BR8903820A (en)
DE (1) DE68905398T2 (en)
ZA (1) ZA895864B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1044568C (en) * 1994-02-17 1999-08-11 天津大学 Distillation method for thermal sensitive material with simultaneous prodn. of light and heavy impurities
US7329786B2 (en) * 2001-09-28 2008-02-12 Great Lakes Chemical Corporation Processes for producing CF3CFHCF3
CN100383053C (en) * 2004-08-11 2008-04-23 巨化集团公司 Method for recovering and making antimony oxide from antimony pentachloride solution
JP5867597B2 (en) * 2011-09-15 2016-02-24 ダイキン工業株式会社 Method for purifying chlorinated hydrocarbons
CN108975274B (en) * 2018-10-17 2019-12-27 杨松 Preparation electronic level hydrogen fluoride oxidation reaction unit

Also Published As

Publication number Publication date
CN1040358A (en) 1990-03-14
AR245089A1 (en) 1993-12-30
DE68905398T2 (en) 1993-09-09
DE68905398D1 (en) 1993-04-22
KR900003058A (en) 1990-03-23
BR8903820A (en) 1990-03-20
ATE86958T1 (en) 1993-04-15
CN1019008B (en) 1992-11-11

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