FR1210911A - Perfectionnements apportés aux procédés pour la production d'acide fluorhydrique - Google Patents

Perfectionnements apportés aux procédés pour la production d'acide fluorhydrique

Info

Publication number
FR1210911A
FR1210911A FR1210911DA FR1210911A FR 1210911 A FR1210911 A FR 1210911A FR 1210911D A FR1210911D A FR 1210911DA FR 1210911 A FR1210911 A FR 1210911A
Authority
FR
France
Prior art keywords
processes
production
hydrofluoric acid
hydrofluoric
acid
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
Other languages
English (en)
Inventor
Gosta Lennart Flemmert
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 filed Critical
Application granted granted Critical
Publication of FR1210911A publication Critical patent/FR1210911A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Composite Materials (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silicon Compounds (AREA)
FR1210911D 1957-09-12 1958-09-10 Perfectionnements apportés aux procédés pour la production d'acide fluorhydrique Expired FR1210911A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US683444A US3087787A (en) 1957-09-12 1957-09-12 Process for the production of hydrogen fluoride

Publications (1)

Publication Number Publication Date
FR1210911A true FR1210911A (fr) 1960-03-11

Family

ID=24744076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1210911D Expired FR1210911A (fr) 1957-09-12 1958-09-10 Perfectionnements apportés aux procédés pour la production d'acide fluorhydrique

Country Status (4)

Country Link
US (1) US3087787A (fr)
DE (1) DE1075567B (fr)
FR (1) FR1210911A (fr)
GB (1) GB857118A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140152A (en) * 1962-06-29 1964-07-07 Hooker Chemical Corp Process for preparing and recovering of substantially anhydrous hydrogen fluoride gas from a dry alkali metal bifluoride
US3157469A (en) * 1962-07-02 1964-11-17 Hooker Chemical Corp Controlled process for producing alkali metal bifluoride and substantially anhydrous gaseous hydrogen fluoride
NL301863A (fr) * 1962-12-17
US3238017A (en) * 1962-12-24 1966-03-01 Onoda Cement Co Ltd Method for the recovery of hydrogen fluoride from the spent gases
US3711596A (en) * 1965-03-04 1973-01-16 Gulf Design And Eng Corp Recovery of hydrogen fluoride
US3625749A (en) * 1966-04-06 1971-12-07 Matsushita Electronics Corp Method for deposition of silicon dioxide films
US3520679A (en) * 1969-02-17 1970-07-14 Atomic Energy Commission Method for removing silica from siliceous materials
US3642438A (en) * 1969-04-15 1972-02-15 Rufus G Hartig Methods for prevention of surface water contamination and air pollution by fluorine compounds from phosphate plants
DE2601654A1 (de) * 1976-01-17 1977-07-21 Bayer Ag Verfahren zur herstellung von flusssaeure aus phosphathaltigem flusspat
US4206189A (en) * 1977-01-04 1980-06-03 Belov Viktor Y Method of producing hydrogen fluoride and silicon dioxide from silicon tetra-fluoride
US5336832A (en) * 1992-11-06 1994-08-09 Conoco Inc. Recovery of HF from hydrocarbon streams
DE10031562A1 (de) * 2000-06-28 2002-01-10 Bayer Ag Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen
KR101215490B1 (ko) * 2010-06-11 2012-12-26 주식회사 케이씨씨 다양한 플루오라이드 원료들과 비정질 실리카 및 황산을 이용한 사불화규소의 연속 제조방법
CN109250688B (zh) * 2018-10-17 2020-03-24 杨松 一种制备氟化氢循环流化床脱气装置
CN111036065B (zh) * 2019-12-30 2022-05-20 天津市长芦化工新材料有限公司 去除氟化氢的装置及其使用方法
RU2757017C1 (ru) * 2020-07-16 2021-10-08 федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" (ФГАОУ ВО "СПбПУ") Способ получения фторида водорода из смеси дифторида кальция и диоксида кремния

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701225A (en) * 1925-01-16 1929-02-05 Albert Fritz Meyerhofer Process for the production of pure hydrofluoric acid from polluted fluorspars
US2535036A (en) * 1946-09-03 1950-12-26 Cabot Godfrey L Inc Manufacture of finely divided silica
US2588786A (en) * 1948-06-23 1952-03-11 Tennessee Corp Process for producing essentially silicon-free hydrofluoric acid from hydrofluosilicic acid
US2819151A (en) * 1954-03-02 1958-01-07 Flemmert Gosta Lennart Process for burning silicon fluorides to form silica
US2886414A (en) * 1955-06-07 1959-05-12 Cabot Godfrey L Inc Process for producing finely-divided silica

Also Published As

Publication number Publication date
DE1075567B (de) 1960-02-18
GB857118A (en) 1960-12-29
US3087787A (en) 1963-04-30

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