DE3560446D1 - Process for preparing hydrogen fluoride by reacting sulphuric acid with fluor spar in a rotating furnace - Google Patents
Process for preparing hydrogen fluoride by reacting sulphuric acid with fluor spar in a rotating furnaceInfo
- Publication number
- DE3560446D1 DE3560446D1 DE8585400886T DE3560446T DE3560446D1 DE 3560446 D1 DE3560446 D1 DE 3560446D1 DE 8585400886 T DE8585400886 T DE 8585400886T DE 3560446 T DE3560446 T DE 3560446T DE 3560446 D1 DE3560446 D1 DE 3560446D1
- Authority
- DE
- Germany
- Prior art keywords
- sulphuric acid
- hydrogen fluoride
- preparing hydrogen
- rotating furnace
- fluor spar
- 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
Links
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 1
- 239000010436 fluorite Substances 0.000 title 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 235000011149 sulphuric acid Nutrition 0.000 title 1
- 239000001117 sulphuric acid Substances 0.000 title 1
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
-
- 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
- C01B7/192—Preparation from fluorspar
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8407719A FR2564449B1 (fr) | 1984-05-18 | 1984-05-18 | Procede de fabrication d'acide fluorhydrique par reaction de l'acide sulfurique sur le spath fluor dans un four tournant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3560446D1 true DE3560446D1 (en) | 1987-09-17 |
Family
ID=9304120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8585400886T Expired DE3560446D1 (en) | 1984-05-18 | 1985-05-07 | Process for preparing hydrogen fluoride by reacting sulphuric acid with fluor spar in a rotating furnace |
Country Status (18)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2161121C2 (ru) * | 1998-11-30 | 2000-12-27 | Томский политехнический университет | Способ получения фтористого водорода и ангидрита |
| US6440224B1 (en) | 1999-03-15 | 2002-08-27 | Ecolab Inc. | Hydrofluoric acid generating composition and method of treating surfaces |
| JP4599673B2 (ja) | 2000-07-10 | 2010-12-15 | ダイキン工業株式会社 | フッ化水素製造装置および製造方法 |
| ES2366682T3 (es) * | 2007-02-02 | 2011-10-24 | Solvay Fluor Gmbh | Preparación de fluoruro de hidrógeno a partir de fluoruro de calcio y ácido sulfúrico. |
| RU2383494C1 (ru) * | 2008-06-23 | 2010-03-10 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | Способ переработки жидких кислых отходов |
| JP5428594B2 (ja) | 2009-07-06 | 2014-02-26 | ダイキン工業株式会社 | フッ化水素の製造方法 |
| US10934166B2 (en) | 2014-07-11 | 2021-03-02 | Daikin Industries, Ltd. | Method for producing hydrogen fluoride |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1050374A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | ||||
| GB554127A (en) * | 1941-11-18 | 1943-06-22 | Wilhelm Siegel | Improvements in and relating to the production of hydrofluoric acid and other gaseous fluorine compounds from fluorspar |
| CH319931A (de) * | 1953-06-29 | 1957-03-15 | Buss Ag | Verfahren zur kontinuierlichen Herstellung von Flusssäure |
| FR1356982A (fr) * | 1963-01-30 | 1964-04-03 | Electro Chimie Soc D | Perfectionnements aux procédés d'obtention d'acide fluorhydrique |
| US3404953A (en) * | 1964-06-02 | 1968-10-08 | Ici Ltd | Manufacture of hydrogen fluoride |
| FR1436984A (fr) * | 1965-06-02 | 1966-04-29 | Ici Ltd | Perfectionnements à la fabrication de l'acide fluorhydrique |
| GB1304781A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-11-11 | 1973-01-31 | ||
| DE2435512A1 (de) * | 1974-07-24 | 1976-02-05 | Bayer Ag | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
| EP0096817B1 (en) * | 1982-06-11 | 1987-08-05 | Asahi Glass Company Ltd. | Process for producing hydrogen fluoride |
-
1984
- 1984-05-18 FR FR8407719A patent/FR2564449B1/fr not_active Expired
-
1985
- 1985-04-24 IL IL75016A patent/IL75016A/xx not_active IP Right Cessation
- 1985-05-01 ZA ZA853260A patent/ZA853260B/xx unknown
- 1985-05-07 IN IN348/MAS/85A patent/IN164746B/en unknown
- 1985-05-07 EP EP85400886A patent/EP0163565B1/fr not_active Expired
- 1985-05-07 DE DE8585400886T patent/DE3560446D1/de not_active Expired
- 1985-05-09 MA MA20656A patent/MA20432A1/fr unknown
- 1985-05-10 GB GB08511935A patent/GB2159136B/en not_active Expired
- 1985-05-10 KR KR1019850003194A patent/KR890003670B1/ko not_active Expired
- 1985-05-15 JP JP60103640A patent/JPS6110004A/ja active Granted
- 1985-05-15 EG EG300/85A patent/EG17428A/xx active
- 1985-05-15 CA CA000481568A patent/CA1307093C/fr not_active Expired - Lifetime
- 1985-05-16 IT IT67448/85A patent/IT1187822B/it active
- 1985-05-16 AU AU42539/85A patent/AU578285B2/en not_active Ceased
- 1985-05-16 MX MX205317A patent/MX163416B/es unknown
- 1985-05-16 BR BR8502327A patent/BR8502327A/pt unknown
- 1985-05-17 ES ES543251A patent/ES8603788A1/es not_active Expired
- 1985-05-17 AT AT0148885A patent/ATA148885A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES543251A0 (es) | 1986-01-01 |
| KR850008145A (ko) | 1985-12-13 |
| FR2564449B1 (fr) | 1988-06-03 |
| ATA148885A (de) | 1996-01-15 |
| IL75016A0 (en) | 1985-08-30 |
| GB8511935D0 (en) | 1985-06-19 |
| ZA853260B (en) | 1985-12-24 |
| MA20432A1 (fr) | 1985-12-31 |
| JPS6110004A (ja) | 1986-01-17 |
| AU4253985A (en) | 1985-11-21 |
| GB2159136A (en) | 1985-11-27 |
| EG17428A (en) | 1991-08-30 |
| EP0163565A1 (fr) | 1985-12-04 |
| KR890003670B1 (ko) | 1989-09-30 |
| ES8603788A1 (es) | 1986-01-01 |
| EP0163565B1 (fr) | 1987-08-12 |
| GB2159136B (en) | 1988-03-02 |
| FR2564449A1 (fr) | 1985-11-22 |
| AU578285B2 (en) | 1988-10-20 |
| IT1187822B (it) | 1987-12-23 |
| BR8502327A (pt) | 1986-01-21 |
| MX163416B (es) | 1992-05-11 |
| IN164746B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-05-20 |
| IT8567448A0 (it) | 1985-05-16 |
| CA1307093C (fr) | 1992-09-08 |
| IL75016A (en) | 1988-10-31 |
| JPH0440282B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-07-02 |
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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 |