FR2330646A1 - Procede de fabrication de fluorure de sodium a partir de silicofluorure de sodium - Google Patents

Procede de fabrication de fluorure de sodium a partir de silicofluorure de sodium

Info

Publication number
FR2330646A1
FR2330646A1 FR7632678A FR7632678A FR2330646A1 FR 2330646 A1 FR2330646 A1 FR 2330646A1 FR 7632678 A FR7632678 A FR 7632678A FR 7632678 A FR7632678 A FR 7632678A FR 2330646 A1 FR2330646 A1 FR 2330646A1
Authority
FR
France
Prior art keywords
sodium
manufacturing
silicofluoride
fluoride
sodium fluoride
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.)
Granted
Application number
FR7632678A
Other languages
English (en)
Other versions
FR2330646B1 (fr
Inventor
Tetsuhiro Ono
Minoru Aramaki
Tamotsu Mizuno
Masao Fujinaga
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.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
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 Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of FR2330646A1 publication Critical patent/FR2330646A1/fr
Application granted granted Critical
Publication of FR2330646B1 publication Critical patent/FR2330646B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/02—Fluorides
    • 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
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • 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
    • C01B33/186—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof from or via fluosilicic acid or salts thereof by a wet process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/16—Halides of ammonium
    • C01C1/162—Ammonium fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silicon Compounds (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7632678A 1975-11-04 1976-10-28 Procede de fabrication de fluorure de sodium a partir de silicofluorure de sodium Granted FR2330646A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50131402A JPS5256096A (en) 1975-11-04 1975-11-04 Preparing of sodium fluoride from dosium silicofluoride

Publications (2)

Publication Number Publication Date
FR2330646A1 true FR2330646A1 (fr) 1977-06-03
FR2330646B1 FR2330646B1 (fr) 1982-01-08

Family

ID=15057127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7632678A Granted FR2330646A1 (fr) 1975-11-04 1976-10-28 Procede de fabrication de fluorure de sodium a partir de silicofluorure de sodium

Country Status (7)

Country Link
US (1) US4057614A (fr)
JP (1) JPS5256096A (fr)
BE (1) BE847906A (fr)
DE (1) DE2649734C3 (fr)
FR (1) FR2330646A1 (fr)
GB (1) GB1520160A (fr)
IT (1) IT1071453B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2750943A1 (de) * 1977-11-15 1979-05-17 Bayer Ag Verfahren zur reinigung von ammoniumfluoridloesungen
JPS61275016A (ja) * 1985-05-29 1986-12-05 Honda Motor Co Ltd 車輌用クロスメンバ構造
US4915705A (en) * 1986-08-01 1990-04-10 Freeport Research And Engineering Co. Production of silica and fluorine-containing coproducts from fluosilicic acid
JPS63197765U (fr) * 1987-06-12 1988-12-20
CN102642848B (zh) * 2012-04-19 2014-03-12 宫毅 烟气制酸中产生的酸泥的综合利用方法
CN106865573A (zh) * 2017-04-16 2017-06-20 刘放放 一种利用锂盐副产混酸制备工业氟化钠和工业氯化铵的方法
CN111762797A (zh) * 2019-12-31 2020-10-13 承德莹科精细化工股份有限公司 一种以氟硅酸为原料制备低硅氟化氢铵的生产工艺
CN111977671B (zh) * 2020-09-04 2021-08-27 包头市议源化工有限公司 稀土含氟废酸资源化制备氟化氢铵的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3024086A (en) * 1959-06-15 1962-03-06 Phillips Petroleum Co Disposal of fluorine wastes
US3968197A (en) * 1969-05-29 1976-07-06 Onoda Chemical Industry Company, Limited Process for treating sodium silico fluoride
US3755546A (en) * 1971-08-31 1973-08-28 Allied Chem Process for removal of phosphates from solutions containing fluoride ions
US3907973A (en) * 1972-03-06 1975-09-23 Gustave E Kidde Process for defluorinating phosphoric acids and production of ammonium fluosilicate and fluosilicic acid

Also Published As

Publication number Publication date
US4057614A (en) 1977-11-08
JPS5256096A (en) 1977-05-09
IT1071453B (it) 1985-04-10
DE2649734C3 (de) 1979-05-03
JPS5729409B2 (fr) 1982-06-22
FR2330646B1 (fr) 1982-01-08
DE2649734B2 (de) 1978-09-07
DE2649734A1 (de) 1977-05-12
BE847906A (fr) 1977-03-01
GB1520160A (en) 1978-08-02

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Legal Events

Date Code Title Description
ST Notification of lapse