CA1022725A - Process for producing hydrogen fluoride - Google Patents

Process for producing hydrogen fluoride

Info

Publication number
CA1022725A
CA1022725A CA180,036A CA180036A CA1022725A CA 1022725 A CA1022725 A CA 1022725A CA 180036 A CA180036 A CA 180036A CA 1022725 A CA1022725 A CA 1022725A
Authority
CA
Canada
Prior art keywords
hydrogen fluoride
producing hydrogen
producing
fluoride
hydrogen
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
CA180,036A
Other languages
French (fr)
Other versions
CA180036S (en
Inventor
Richard S. Reed
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.)
REED PROCESS Co
Original Assignee
REED PROCESS 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 REED PROCESS Co filed Critical REED PROCESS Co
Application granted granted Critical
Publication of CA1022725A publication Critical patent/CA1022725A/en
Expired 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
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
    • C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
    • C01B33/184—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane by hydrolysis of tetrafluoride
    • 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
    • C01B7/193—Preparation from silicon tetrafluoride, fluosilicic acid or fluosilicates
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
CA180,036A 1972-09-18 1973-08-30 Process for producing hydrogen fluoride Expired CA1022725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29012172A 1972-09-18 1972-09-18

Publications (1)

Publication Number Publication Date
CA1022725A true CA1022725A (en) 1977-12-20

Family

ID=23114613

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,036A Expired CA1022725A (en) 1972-09-18 1973-08-30 Process for producing hydrogen fluoride

Country Status (5)

Country Link
BE (1) BE804531A (en)
CA (1) CA1022725A (en)
ES (1) ES418821A1 (en)
GB (1) GB1445139A (en)
NL (1) NL7312836A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420383A (en) * 2013-07-29 2013-12-04 中国化学赛鼎宁波工程有限公司 Method for preparing fumed silica and anhydrous hydrofluoric acid by utilizing phosphatic fertilizer by-product fluosilicate as raw material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206189A (en) 1977-01-04 1980-06-03 Belov Viktor Y Method of producing hydrogen fluoride and silicon dioxide from silicon tetra-fluoride

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103420383A (en) * 2013-07-29 2013-12-04 中国化学赛鼎宁波工程有限公司 Method for preparing fumed silica and anhydrous hydrofluoric acid by utilizing phosphatic fertilizer by-product fluosilicate as raw material
CN103420383B (en) * 2013-07-29 2015-12-23 中国化学赛鼎宁波工程有限公司 Take phosphatic fertilizer by-product fluosilicate as the method that raw material prepares thermal silica and anhydrous hydrofluoric acid

Also Published As

Publication number Publication date
NL7312836A (en) 1974-03-20
GB1445139A (en) 1976-08-04
ES418821A1 (en) 1976-12-01
BE804531A (en) 1974-01-02

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