DE69112391T2 - Verfahren zur reinigung von fluorwasserstoff. - Google Patents

Verfahren zur reinigung von fluorwasserstoff.

Info

Publication number
DE69112391T2
DE69112391T2 DE69112391T DE69112391T DE69112391T2 DE 69112391 T2 DE69112391 T2 DE 69112391T2 DE 69112391 T DE69112391 T DE 69112391T DE 69112391 T DE69112391 T DE 69112391T DE 69112391 T2 DE69112391 T2 DE 69112391T2
Authority
DE
Germany
Prior art keywords
hydrofluorine
purifying
purifying hydrofluorine
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 - Fee Related
Application number
DE69112391T
Other languages
English (en)
Other versions
DE69112391D1 (de
Inventor
Craig Barker
Eileen Edwards
Francisco Freire
Jon Howell
Kaye Motz
William Ziegenhain
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69112391D1 publication Critical patent/DE69112391D1/de
Application granted granted Critical
Publication of DE69112391T2 publication Critical patent/DE69112391T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification
    • C01B7/196—Separation; Purification by distillation
    • 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
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Hydrogen, Water And Hydrids (AREA)
DE69112391T 1990-03-02 1991-02-04 Verfahren zur reinigung von fluorwasserstoff. Expired - Fee Related DE69112391T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48743790A 1990-03-02 1990-03-02
PCT/US1991/000573 WO1991013024A1 (en) 1990-03-02 1991-02-04 Process for purifying hydrogen fluoride

Publications (2)

Publication Number Publication Date
DE69112391D1 DE69112391D1 (de) 1995-09-28
DE69112391T2 true DE69112391T2 (de) 1996-04-04

Family

ID=23935726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69112391T Expired - Fee Related DE69112391T2 (de) 1990-03-02 1991-02-04 Verfahren zur reinigung von fluorwasserstoff.

Country Status (11)

Country Link
EP (1) EP0517723B1 (de)
JP (1) JPH05504754A (de)
CN (1) CN1054574A (de)
AU (1) AU7243391A (de)
BR (1) BR9106091A (de)
CA (1) CA2076372A1 (de)
DE (1) DE69112391T2 (de)
ES (1) ES2077842T3 (de)
MX (1) MX172256B (de)
TW (1) TW222250B (de)
WO (1) WO1991013024A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5108559A (en) * 1991-12-17 1992-04-28 E. I. Du Pont De Nemours And Company Process for purifying hydrogen fluoride
DE4303836C1 (de) * 1993-02-10 1994-03-17 Bayer Ag Verfahren zur Reinigung von Fluorwasserstoff
DE4303837A1 (de) * 1993-02-10 1994-08-11 Bayer Ag Verfahren zur Reinigung von Fluorwasserstoff
US7371363B2 (en) * 2003-07-15 2008-05-13 Honeywell International Inc. Methods of purifying hydrogen fluoride
CN100546903C (zh) * 2007-08-06 2009-10-07 江阴市润玛电子材料有限公司 超高纯氢氟酸的提纯方法
CN101570319B (zh) * 2008-04-28 2011-04-06 多氟多化工股份有限公司 一种生产超净高纯氢氟酸的方法
MX357878B (es) 2014-12-18 2018-07-27 Mexichem Fluor Sa De Capital Variable Proceso para la purificación del ácido fluorhídrico incluyendo la obtención del subproducto ácido arsenioso.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4929435A (en) * 1987-02-12 1990-05-29 Allied-Signal Inc. Manufacture of high purity low arsenic anhydrous hydrogen fluoride

Also Published As

Publication number Publication date
BR9106091A (pt) 1993-02-24
WO1991013024A1 (en) 1991-09-05
EP0517723B1 (de) 1995-08-23
CN1054574A (zh) 1991-09-18
MX172256B (es) 1993-12-09
ES2077842T3 (es) 1995-12-01
CA2076372A1 (en) 1991-09-03
EP0517723A1 (de) 1992-12-16
DE69112391D1 (de) 1995-09-28
AU7243391A (en) 1991-09-18
TW222250B (de) 1994-04-11
JPH05504754A (ja) 1993-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee