FI62038C - Foerfarande foer framstaellning av fluorvaete ur ammoniumfluorid - Google Patents

Foerfarande foer framstaellning av fluorvaete ur ammoniumfluorid Download PDF

Info

Publication number
FI62038C
FI62038C FI2639/73A FI263973A FI62038C FI 62038 C FI62038 C FI 62038C FI 2639/73 A FI2639/73 A FI 2639/73A FI 263973 A FI263973 A FI 263973A FI 62038 C FI62038 C FI 62038C
Authority
FI
Finland
Prior art keywords
fluoride
potassium
solution
bifluoride
ammonium
Prior art date
Application number
FI2639/73A
Other languages
English (en)
Finnish (fi)
Other versions
FI62038B (fi
Inventor
William Henry Thompson
Ralph Eric Worthington
David John Stamper
Original Assignee
Goulding Chemicals 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 Goulding Chemicals Ltd filed Critical Goulding Chemicals Ltd
Publication of FI62038B publication Critical patent/FI62038B/fi
Application granted granted Critical
Publication of FI62038C publication Critical patent/FI62038C/fi

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
    • C01B7/194—Preparation from ammonium fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Glass Compositions (AREA)
FI2639/73A 1972-08-24 1973-08-23 Foerfarande foer framstaellning av fluorvaete ur ammoniumfluorid FI62038C (fi)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GB3940072 1972-08-24
GB3940072 1972-08-24
GB437373*[A GB1400862A (en) 1972-08-24 1973-01-29 Production of hydrogen fluoride
GB437373 1973-01-29
GB1937873 1973-04-24
GB1937873 1973-04-24
GB2414973 1973-05-21
GB2414973 1973-05-21

Publications (2)

Publication Number Publication Date
FI62038B FI62038B (fi) 1982-07-30
FI62038C true FI62038C (fi) 1982-11-10

Family

ID=27447374

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2639/73A FI62038C (fi) 1972-08-24 1973-08-23 Foerfarande foer framstaellning av fluorvaete ur ammoniumfluorid

Country Status (17)

Country Link
US (1) US4056604A (de)
CA (1) CA1021531A (de)
DD (1) DD107242A5 (de)
DE (1) DE2342362C2 (de)
DK (1) DK140530B (de)
FI (1) FI62038C (de)
FR (1) FR2199528B1 (de)
GB (1) GB1400862A (de)
IE (1) IE38090B1 (de)
IL (1) IL43055A (de)
IN (1) IN140069B (de)
IT (1) IT990396B (de)
LU (1) LU68291A1 (de)
NL (1) NL7311432A (de)
NO (1) NO137232C (de)
RO (1) RO63989A (de)
SE (1) SE397331B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089936A (en) * 1973-08-20 1978-05-16 Goulding Chemicals Limited Production of hydrogen fluoride
IE44470B1 (en) * 1976-08-26 1981-12-16 Goulding Chemicals Ltd Production of hydrogen fluoride
US4175944A (en) * 1978-06-26 1979-11-27 Mobil Oil Corporation Removal of fluorine during production of fertilizer
US4599156A (en) * 1985-09-27 1986-07-08 International Minerals & Chemical Corp. Electrodialysis process for preparing hydrogen fluoride
GB9300956D0 (en) * 1993-01-19 1993-03-10 British Nuclear Fuels Plc Dehydration of mixtures
DE19917610A1 (de) * 1999-04-19 2000-10-26 Bayer Ag Verfahren zum Recycling von Alkalimetallfluoriden bzw. -bifluoriden
RU2691348C1 (ru) * 2018-03-01 2019-06-11 Общество с ограниченной ответственностью "Новые химические продукты" Способ получения фторида водорода из гексафторкремниевой кислоты
RU2691347C1 (ru) * 2018-05-08 2019-06-11 Общество с ограниченной ответственностью "Новые химические продукты" Способ переработки гексафторкремниевой кислоты с получением фторида водорода
CN113089021B (zh) * 2021-04-08 2022-03-29 山东飞源气体有限公司 一种六氟化硫生产过程中废料回收再利用的方法
CN115309215B (zh) * 2022-08-05 2023-03-07 福建省龙氟新材料有限公司 氟化铵制备用的自动配料控制系统及其控制方法
CN115487522B (zh) * 2022-09-06 2023-06-23 内蒙古东岳金峰氟化工有限公司 氟化氢提纯系统及工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371759A (en) * 1944-01-01 1945-03-20 Phillips Petroleum Co Process for treatment of aqueous fluoride solutions
US3101254A (en) * 1961-03-16 1963-08-20 Grace W R & Co Production of silica free hydrogen fluoride
US3128152A (en) * 1961-10-10 1964-04-07 Cabot Corp Process for recovering hydrogen fluoride from aqueous fluosilicic acid solution
US3195979A (en) * 1961-12-18 1965-07-20 Int Minerals & Chem Corp Process of preparing hydrogen fluoride from fluosilicic acid
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
BE635105A (de) * 1962-07-25 1963-11-18
US3501268A (en) * 1967-05-18 1970-03-17 Ethyl Corp Process for the production of anhydrous hydrogen fluoride
US3551098A (en) * 1968-01-12 1970-12-29 Flemmert Goesta Lennart Process for decomposing sodium fluosilicate and/or sodium bifluoride into sodium fluoride,hydrogen fluoride and silicon tetrafluoride
US3743704A (en) * 1971-05-12 1973-07-03 Du Pont Removal of hf from an hf-containing gas

Also Published As

Publication number Publication date
RO63989A (fr) 1978-08-15
GB1400862A (en) 1975-07-16
FI62038B (fi) 1982-07-30
DD107242A5 (de) 1974-07-20
IN140069B (de) 1976-09-11
CA1021531A (en) 1977-11-29
FR2199528B1 (de) 1978-08-11
NO137232C (no) 1978-01-25
NO137232B (no) 1977-10-17
IL43055A0 (en) 1973-11-28
IE38090B1 (en) 1977-12-21
IL43055A (en) 1976-12-31
IE38090L (en) 1974-02-24
DK140530C (de) 1980-03-03
AU5956573A (en) 1975-02-27
US4056604A (en) 1977-11-01
DE2342362A1 (de) 1974-03-14
SE397331B (sv) 1977-10-31
DE2342362C2 (de) 1983-05-26
DK140530B (da) 1979-09-24
FR2199528A1 (de) 1974-04-12
NL7311432A (de) 1974-02-26
IT990396B (it) 1975-06-20
LU68291A1 (de) 1973-10-24

Similar Documents

Publication Publication Date Title
US4981664A (en) Method of production of high purity silica and ammonium fluoride
FI62038C (fi) Foerfarande foer framstaellning av fluorvaete ur ammoniumfluorid
US2816818A (en) Process for the preparation of ammonium fluoride
US3993733A (en) Food grade alkali metal phosphates from wet process H3 PO4
JPH06510739A (ja) シリカ／アルミナマトリックスのフッ化水素酸温浸によるテトラフルオロシランとフッ化アルミニウムの製法
US5165907A (en) Method of production of high purity silica and ammonium fluoride
US4213952A (en) Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis
US3920796A (en) Method of preparing purified phosphates from impure phosphoric acid
US2785953A (en) Process for preparing a dry mixture of ammonium fluosilicate and silica
US4213951A (en) Recovery of hydrofluoric acid from fluosilicic acid with high pH hydrolysis
US5853685A (en) Process for the production of high purity silica from waste by-product silica and hydrogen fluoride
US3021194A (en) Production of ammonium hydrogen fluoride
US3382035A (en) Process for production of phosphoric acid
US3101254A (en) Production of silica free hydrogen fluoride
US4062929A (en) Production of hydrogen fluoride
WO1990008730A1 (en) Process for removing fluoride from a wastewater and producing hydrofluoric acid therefrom
FI58767C (fi) Foerfarande foer framstaellning av renad fosforsyra
RU2375305C1 (ru) Способ переработки боросиликатных концентратов
US3338673A (en) Recovery of substantially anhydrous hydrogen fluoride from an impure aqueous ammonium fluoride solution
US4089936A (en) Production of hydrogen fluoride
US4610853A (en) Process for producing purified monoammonium phosphate from wet process phosphoric acid
JPS5811364B2 (ja) リン塩と塩化アンモニウムの製造方法
US3000702A (en) Manufacture of sodium fluoride
US3455650A (en) Production of hydrogen fluoride
US3446583A (en) Process of preparing water-soluble phosphates