JP2019521940A5 - - Google Patents
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- Publication number
- JP2019521940A5 JP2019521940A5 JP2018560828A JP2018560828A JP2019521940A5 JP 2019521940 A5 JP2019521940 A5 JP 2019521940A5 JP 2018560828 A JP2018560828 A JP 2018560828A JP 2018560828 A JP2018560828 A JP 2018560828A JP 2019521940 A5 JP2019521940 A5 JP 2019521940A5
- Authority
- JP
- Japan
- Prior art keywords
- calcium carbonate
- fluidized bed
- carbonate particles
- particle size
- particles
- 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
Links
- 239000002245 particle Substances 0.000 claims 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 14
- 238000000034 method Methods 0.000 claims 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims 3
- 229910004261 CaF 2 Inorganic materials 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 229920002313 fluoropolymer Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16170477.0A EP3246289B1 (en) | 2016-05-19 | 2016-05-19 | Generation of calcium fluoride from hf gas streams |
| EP16170477.0 | 2016-05-19 | ||
| PCT/US2017/033469 WO2017201365A1 (en) | 2016-05-19 | 2017-05-19 | Generation of calcium fluoride from hf gas streams |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019521940A JP2019521940A (ja) | 2019-08-08 |
| JP2019521940A5 true JP2019521940A5 (https=) | 2020-07-02 |
| JP6865771B2 JP6865771B2 (ja) | 2021-04-28 |
Family
ID=56194222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018560828A Active JP6865771B2 (ja) | 2016-05-19 | 2017-05-19 | Ｈｆガスストリームからのフッ化カルシウムの生成 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20190276329A1 (https=) |
| EP (1) | EP3246289B1 (https=) |
| JP (1) | JP6865771B2 (https=) |
| WO (1) | WO2017201365A1 (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6993157B2 (ja) * | 2017-09-29 | 2022-01-13 | 岩谷産業株式会社 | 蛍石の製造方法 |
| CN113120938B (zh) * | 2020-01-16 | 2022-09-20 | 中国科学院过程工程研究所 | 一种利用含氟废水制备氟化钙的方法 |
| EP4263425B1 (en) | 2020-12-15 | 2024-02-28 | 3M Innovative Properties Company | Converting fluorinated materials into anhydrous hydrogen fluoride |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2573704A (en) * | 1950-02-27 | 1951-11-06 | Tennessee Valley Authority | Making calcium fluoride |
| GB752803A (en) * | 1953-03-19 | 1956-07-18 | Research Corp | Method for the removal of fluorine from industrial gases |
| BE560740A (https=) * | 1956-09-12 | 1958-03-11 | ||
| US3743704A (en) | 1971-05-12 | 1973-07-03 | Du Pont | Removal of hf from an hf-containing gas |
| US4120940A (en) | 1977-06-27 | 1978-10-17 | Borden, Inc. | Direct production of coarse particle inorganic fluorides |
| US4236464A (en) * | 1978-03-06 | 1980-12-02 | Aerojet-General Corporation | Incineration of noxious materials |
| US5362461A (en) | 1991-10-03 | 1994-11-08 | Kurita Water Industries, Ltd. | Method for recovering calcium fluoride from fluoroetchant |
| US5602297A (en) * | 1995-02-08 | 1997-02-11 | Wang; Chi-Shang | Multistage double closed-loop process for waste decontamination |
| JP4085520B2 (ja) * | 1999-06-16 | 2008-05-14 | 三菱マテリアル株式会社 | 劣化ｕｆ６の処理設備及びその処理方法 |
| GB0611968D0 (en) * | 2006-06-16 | 2006-07-26 | Boc Group Plc | Method and apparatus for the removal of fluorine from a gas system |
| US20110023908A1 (en) * | 2009-07-30 | 2011-02-03 | Applied Materials, Inc. | Methods and apparatus for process abatement with recovery and reuse of abatement effluent |
| JP2014071971A (ja) * | 2012-09-28 | 2014-04-21 | Hitachi Ltd | 固体高分子電解質膜およびそれを用いた燃料電池 |
| EP2952478B1 (en) | 2014-06-05 | 2019-04-17 | 3M Innovative Properties Company | Method for the production of free flowing synthetic calcium fluoride and use thereof |
-
2016
- 2016-05-19 EP EP16170477.0A patent/EP3246289B1/en active Active
-
2017
- 2017-05-19 US US16/302,448 patent/US20190276329A1/en not_active Abandoned
- 2017-05-19 WO PCT/US2017/033469 patent/WO2017201365A1/en not_active Ceased
- 2017-05-19 JP JP2018560828A patent/JP6865771B2/ja active Active
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