ATE510796T1 - Herstellung von fluorwasserstoff aus calciumfluorid und schwefelsäure - Google Patents
Herstellung von fluorwasserstoff aus calciumfluorid und schwefelsäureInfo
- Publication number
- ATE510796T1 ATE510796T1 AT08708523T AT08708523T ATE510796T1 AT E510796 T1 ATE510796 T1 AT E510796T1 AT 08708523 T AT08708523 T AT 08708523T AT 08708523 T AT08708523 T AT 08708523T AT E510796 T1 ATE510796 T1 AT E510796T1
- Authority
- AT
- Austria
- Prior art keywords
- calcium
- fluoride
- sulfuric acid
- production
- calcium fluoride
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 title abstract 4
- 229910001634 calcium fluoride Inorganic materials 0.000 title abstract 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 2
- 239000000292 calcium oxide Substances 0.000 abstract 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 2
- 239000003337 fertilizer Substances 0.000 abstract 1
- 150000002222 fluorine compounds Chemical class 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 abstract 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
- C01B7/191—Hydrogen fluoride
- C01B7/192—Preparation from fluorspar
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Removal Of Specific Substances (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Processing Of Solid Wastes (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07101661 | 2007-02-02 | ||
| PCT/EP2008/051212 WO2008092926A1 (en) | 2007-02-02 | 2008-01-31 | Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE510796T1 true ATE510796T1 (de) | 2011-06-15 |
Family
ID=38093332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT08708523T ATE510796T1 (de) | 2007-02-02 | 2008-01-31 | Herstellung von fluorwasserstoff aus calciumfluorid und schwefelsäure |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20100143236A1 (de) |
| EP (1) | EP2118000B1 (de) |
| JP (1) | JP2010517904A (de) |
| CN (1) | CN101600649A (de) |
| AT (1) | ATE510796T1 (de) |
| ES (1) | ES2366682T3 (de) |
| MX (1) | MX2009008086A (de) |
| WO (1) | WO2008092926A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110008251A (ko) * | 2008-04-22 | 2011-01-26 | 솔베이 플루오르 게엠베하 | 형석 또는 불화칼슘-함유 폐물질로부터의 불화수소 제조 |
| KR101016846B1 (ko) | 2009-02-25 | 2011-02-22 | 이엔비나노텍(주) | 고속반응용 노즐을 이용한 나노기공 실리카, 황산나트륨 및 불산 제조장치 및 고속반응용 노즐을 이용한 나노기공 실리카의 제조방법 |
| DE102011111316B4 (de) | 2011-08-26 | 2017-10-19 | Plinke Gmbh | Verfahren zur Reinigung und Konzentrierung HF-haltiger Schwefelsäure |
| CN102502502A (zh) * | 2011-11-08 | 2012-06-20 | 湖南有色郴州氟化学有限公司 | 一种用98%硫酸制备氟化氢气体的方法 |
| CN102923664B (zh) * | 2012-11-27 | 2014-08-27 | 福州大学 | 一种气固-液相联合反应法生产氟化氢的方法 |
| CN103803561A (zh) * | 2014-03-05 | 2014-05-21 | 武汉工程大学邮电与信息工程学院 | 磷化工生产中含氟废气的回收利用方法 |
| CN117430195B (zh) * | 2023-11-21 | 2025-07-25 | 浙江致远环境科技股份有限公司 | 一种玻纤净水剂及其应用 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3404953A (en) * | 1964-06-02 | 1968-10-08 | Ici Ltd | Manufacture of hydrogen fluoride |
| US3282644A (en) * | 1965-02-15 | 1966-11-01 | Du Pont | Process for the manufacture of hydrogen fluoride |
| US3469939A (en) * | 1966-07-08 | 1969-09-30 | Daikin Ind Ltd | Process for manufacturing hydrogen fluoride |
| GB1304781A (de) * | 1969-11-11 | 1973-01-31 | ||
| US3625648A (en) * | 1969-12-15 | 1971-12-07 | American Cyanamid Co | Recovery of fluorine and p2o5 from dilute aqueous acidic phosphatic solutions |
| US3878294A (en) * | 1971-01-26 | 1975-04-15 | Bayer Ag | Production of hydrogen fluoride |
| BE786915A (fr) * | 1971-07-29 | 1973-01-29 | Bayer Ag | Production d'acide fluorhydrique et de sulfates metalliques |
| DE2307897C3 (de) * | 1973-02-17 | 1982-02-18 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von synthetischem Flußspat |
| DE2435512A1 (de) * | 1974-07-24 | 1976-02-05 | Bayer Ag | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
| CH646401A5 (de) * | 1981-04-28 | 1984-11-30 | Buss Ag | Verfahren und einrichtung zur herstellung von synthetischem anhydrit und reiner flusssaeure. |
| FR2564449B1 (fr) * | 1984-05-18 | 1988-06-03 | Atochem | Procede de fabrication d'acide fluorhydrique par reaction de l'acide sulfurique sur le spath fluor dans un four tournant |
| US4741741A (en) * | 1986-10-17 | 1988-05-03 | The Standard Oil Company | Chemical beneficiation of coal |
| US5531970A (en) * | 1992-05-29 | 1996-07-02 | Advanced Recovery Systems, Inc. | Metal and fluorine values recovery from mineral ore treatment |
| US6423290B1 (en) * | 2000-05-31 | 2002-07-23 | International Business Machines Corporation | Method for recovering an organic solvent from an acidic waste stream such as in integrated chip manufacturing |
| 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 |
| TWI249508B (en) * | 2002-11-28 | 2006-02-21 | Sasakura Eng Co Ltd | Hydrofluoric acid wastewater treatment method and device |
| JP2005132652A (ja) * | 2003-10-29 | 2005-05-26 | Morita Kagaku Kogyo Kk | 回収フッ化カルシウムを用いたフッ化水素の製造方法 |
| JP2005200233A (ja) * | 2004-01-13 | 2005-07-28 | Cabot Supermetal Kk | フッ化水素の製造方法 |
| JP4368249B2 (ja) * | 2004-06-01 | 2009-11-18 | 三洋電機株式会社 | 処理装置およびそれを用いた被処理水の処理方法 |
-
2008
- 2008-01-31 US US12/522,378 patent/US20100143236A1/en not_active Abandoned
- 2008-01-31 WO PCT/EP2008/051212 patent/WO2008092926A1/en active Application Filing
- 2008-01-31 EP EP08708523A patent/EP2118000B1/de not_active Not-in-force
- 2008-01-31 JP JP2009547693A patent/JP2010517904A/ja active Pending
- 2008-01-31 CN CN200880003959.3A patent/CN101600649A/zh active Pending
- 2008-01-31 AT AT08708523T patent/ATE510796T1/de not_active IP Right Cessation
- 2008-01-31 MX MX2009008086A patent/MX2009008086A/es active IP Right Grant
- 2008-01-31 ES ES08708523T patent/ES2366682T3/es active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES2366682T3 (es) | 2011-10-24 |
| JP2010517904A (ja) | 2010-05-27 |
| EP2118000A1 (de) | 2009-11-18 |
| CN101600649A (zh) | 2009-12-09 |
| MX2009008086A (es) | 2009-08-12 |
| EP2118000B1 (de) | 2011-05-25 |
| WO2008092926A1 (en) | 2008-08-07 |
| US20100143236A1 (en) | 2010-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |