WO2013103041A1 - ガス生成装置 - Google Patents
ガス生成装置 Download PDFInfo
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- WO2013103041A1 WO2013103041A1 PCT/JP2012/077285 JP2012077285W WO2013103041A1 WO 2013103041 A1 WO2013103041 A1 WO 2013103041A1 JP 2012077285 W JP2012077285 W JP 2012077285W WO 2013103041 A1 WO2013103041 A1 WO 2013103041A1
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- gas
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- filler
- mist trap
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/245—Fluorine; Compounds thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/021—Process control or regulation of heating or cooling
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C25B15/085—Removing impurities
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
Definitions
- the present invention relates to a gas generator capable of removing mist and fine particles derived from molten salt accompanying gas generation.
- an electrolytic bath for electrolyzing hydrogen fluoride in an electrolytic bath made of a molten salt containing hydrogen fluoride is provided, and a main gas mainly composed of fluorine gas is generated on the anode side, and hydrogen gas is supplied on the cathode side.
- a fluorine gas generator that generates a by-product gas as a main component is known.
- the molten salt was vaporized in the main gas mainly composed of fluorine gas generated from the anode of the electrolytic cell and in the by-product gas mainly composed of hydrogen gas generated from the cathode. Since hydrogen fluoride gas is mixed at the same time, mist of the molten salt itself is mixed at the same time, so that there is a possibility that the piping for extracting the main gas or by-product gas may be blocked while being used for a long time.
- a technique for trapping mist on a filter by inserting a filter in the middle of a pipe is disclosed.
- a filter is inserted in the middle of a pipe, a temperature adjustment mechanism for adjusting the temperature is provided in a part of the pipe, and hydrogen fluoride gas liquefied in the temperature-controlled part is inserted in the middle of the pipe.
- a technique is disclosed in which solid matter deposited on the filter surface is dissolved by contact with the filter to prevent clogging and prolong the life of the filter.
- the gas generator described in Patent Document 1 has a structure in which a filter is installed downstream of a temperature adjustment mechanism installed in a part of a pipe, and the temperature of the hydrogen fluoride liquefied in the temperature-adjusted part is adjusted.
- the gas generating device described in Patent Document 1 is an excellent gas generating device that contributes to extending the life of the filter by dissolving and washing off the clogging substance adhering to the filter with hydrogen fluoride and storing the waste liquid in the lower part. .
- it is practically difficult to extend the life of the filter semipermanently, and it is necessary to perform maintenance work such as pipe replacement at regular intervals.
- the present invention has been made in view of the above problems, and provides a gas generator capable of removing mist and fine particles derived from molten salt accompanying gas generation with a simple structure. With the goal.
- the present inventors use a mist trap having a specific structure to adsorb mist and fine particles derived from a molten salt to a wall surface or a filler using a space in the mist trap.
- a mist trap having a specific structure to adsorb mist and fine particles derived from a molten salt to a wall surface or a filler using a space in the mist trap.
- the present invention uses a mist trap having a specific structure.
- the technical idea is that the space in the mist trap is used efficiently and the mist and fine particles derived from the molten salt are adsorbed almost completely.
- the present invention is a gas generating device that generates gas by electrolyzing hydrogen fluoride in a molten salt containing hydrogen fluoride, and in a electrolytic bath made of a molten salt containing hydrogen fluoride.
- a gas introduction port for introducing a gas generated from the electrolytic cell, a gas introduction port for deriving gas from the housing, and a mist or fine particle between the gas introduction port and the gas extraction port.
- the gas generated from the electrolytic cell is expanded in the housing.
- the gas outlet has a gas introduction tube communicating with the inside of the housing, and a gas inlet portion of the gas introduction tube is accommodated in the filler accommodating portion.
- the gas generating device is arranged so as to be buried in a filler.
- the housing has a horizontally long shape, and in the longitudinal direction of the housing, the gas introduction port is provided from one end surface portion of the housing, and the gas outlet port is the other end surface of the housing. You may make it the structure provided from the part.
- the gas is composed of a main gas mainly composed of fluorine gas and a by-product gas mainly composed of hydrogen gas, and the main gas mist that removes mist and fine particles of the main gas.
- a trap and a by-product gas mist trap for removing the by-product gas mist and fine particles, and the main gas mist trap and the by-product gas mist trap are integrated via an end surface portion of the housing. You may make it the structure which has.
- the electrolytic cell and the mist trap can be accommodated in the same casing and used for a small gas generator.
- a diffusing portion for diffusing mist and fine particles and a filler containing portion for adsorbing mist and fine particles are formed, and the mist derived from the molten salt is used without efficiently closing the space in the mist trap. It is configured to actively adsorb particles and fine particles. Therefore, it is possible to remove the mist and fine particles derived from the molten salt with a simpler structure without providing a large-scale apparatus such as a temperature control mechanism for piping or a waste liquid tank.
- FIG. 3 is a cross-sectional view of the mist trap taken along the line III-III in FIG. 2. It is another example of the mist trap which concerns on embodiment of this invention. It is an example of the gas production
- the gas generation device 100 generates fluorine gas by electrolysis of a molten salt containing hydrogen fluoride, and supplies the generated fluorine gas to the external device 4.
- the external device 4 is, for example, a semiconductor manufacturing device.
- fluorine gas is used as a cleaning gas, for example, in a semiconductor manufacturing process.
- the gas generating device 100 includes an electrolytic cell 1 that generates fluorine gas by electrolysis, a fluorine gas supply system 2 that supplies the fluorine gas generated from the electrolytic cell 1 to the external device 4, and generated along with the generation of fluorine gas. And a by-product gas processing system 3 for processing the generated by-product gas.
- the electrolytic bath 1 stores a molten salt containing hydrogen fluoride (HF).
- HF hydrogen fluoride
- the composition of the fluorine compound gas generated from the electrolytic cell 1 can be appropriately changed.
- NF 3 nitrogen trifluoride
- NH 4 F ⁇ KF ⁇ HF molten salt a mixture of F 2 and NF 3 is obtained. can get.
- the embodiment of the present invention will be described using a mixed molten salt (KF ⁇ 2HF) of hydrogen fluoride and potassium fluoride as the molten salt.
- the inside of the electrolytic cell 1 is partitioned into an anode chamber 11 and a cathode chamber 12 by a partition wall 6 immersed in the molten salt.
- the anode 7 and the cathode 8 are immersed, respectively.
- main gas mainly composed of fluorine gas (F 2 ) is generated at the anode 7, and hydrogen gas (H 2 ) is generated at the cathode 8.
- F 2 fluorine gas
- H 2 hydrogen gas
- By-product gas as a main component is generated.
- a carbon electrode is used for the anode 7, and soft iron, monel, or nickel is used for the cathode 8.
- a first gas chamber 11a into which fluorine gas generated at the anode 7 is guided, and a second gas chamber 12a into which hydrogen gas generated at the cathode 8 is guided. are partitioned by the partition wall 6 so that the mutual gas cannot pass.
- the first air chamber 11a and the second air chamber 12a are completely separated by the partition wall 6 in order to prevent a reaction due to the contact of fluorine gas and hydrogen gas.
- the molten salt in the anode chamber 11 and the cathode chamber 12 is not separated by the partition wall 6 but communicates through the lower portion of the partition wall 6.
- the temperature of the molten salt is preferably adjusted to 91 to 93 ° C.
- hydrogen fluoride is vaporized from the molten salt by the vapor pressure and mixed.
- each of the fluorine gas generated at the anode 7 and guided to the first air chamber 11a and the hydrogen gas generated at the cathode 8 and guided to the second air chamber 12a includes hydrogen fluoride gas. Yes.
- a first main passage 15 for supplying fluorine gas to the external device 4 is connected to the first air chamber 11a.
- the first main passage 15 is provided with a mist trap 50a for removing mist and fine particles derived from molten salt accompanying the generation of fluorine gas.
- a filling material 56 is filled in the mist trap 50a.
- the mist trap 50a will be described in detail later.
- the first main passage 15 is provided with a first pump 17 for deriving and transporting fluorine gas from the first air chamber 11a.
- a positive displacement pump such as a bellows pump or a diaphragm pump is used.
- a purification device 20 is provided upstream of the first pump 17 in the first main passage 15 to collect hydrogen fluoride mixed in the fluorine gas and purify the fluorine gas.
- the purification apparatus 20 is not particularly limited as long as it can collect the hydrogen fluoride mixed in the fluorine gas and purify the fluorine gas.
- a purification tower filled with an adsorbent such as sodium fluoride (NaF) is used.
- a second main passage 30 for discharging hydrogen gas to the outside is connected to the second air chamber 12a.
- the second main passage 30 may be provided with a mist trap 50b having the same configuration as the mist trap 50a provided in the first main passage 15. In the mist trap 50b as well, as shown in FIG. 2 and FIG.
- the second main passage 30 is provided with a second pump 31 for deriving and transporting hydrogen gas from the second air chamber 12a.
- a detoxifying section 34 is provided downstream of the second pump 31 in the second main passage 30, and the hydrogen gas transported by the second pump 31 is adsorbed and removed by hydrogen fluoride in the detoxifying section 34 and is harmless. Is released.
- the fluorine gas generation device 100 also includes a raw material supply system 5 for supplying hydrogen fluoride, which is a raw material of fluorine gas, to the molten salt in the electrolytic cell 1 for replenishment. Below, the raw material supply system 5 is demonstrated.
- the electrolytic cell 1 is connected through a raw material supply passage 41 and a hydrogen fluoride supply source 40 in which hydrogen fluoride for replenishing the electrolytic cell 1 is stored. Hydrogen fluoride stored in the hydrogen fluoride supply source 40 is supplied into the molten salt of the electrolytic cell 1 through the raw material supply passage 41.
- a carrier gas supply passage 46 that guides the carrier gas supplied from the carrier gas supply source 45 into the raw material supply passage 41 is connected to the raw material supply passage 41.
- the carrier gas is a gas for introducing hydrogen fluoride from the hydrogen fluoride supply source 40 into the molten salt, and nitrogen gas which is an inert gas is used. Nitrogen gas is supplied together with hydrogen fluoride into the molten salt in the cathode chamber 12, hardly dissolves in the molten salt, and is discharged from the second air chamber 12 a through the second main passage 30.
- the mist trap 50a is an apparatus that removes mist and fine particles derived from molten salt accompanying the generation of fluorine gas.
- the mist trap 50a of the present invention will be described in detail with reference to FIG.
- FIG. 3 is a cross-sectional view of the mist trap 50a taken along the line III-III in FIG.
- the mist trap 50 a includes a cylindrical housing 51 through which a gas is circulated.
- the housing 51 contains main gas mainly composed of fluorine gas generated in the electrolytic cell 1.
- a gas introduction port 52 for guiding and a gas outlet port 53 for connecting the gas flowing through the housing 51 are connected.
- a filler accommodating portion 58 that accommodates a filler 56 for adsorbing water is formed.
- the housing 51 is a horizontally long cylindrical member disposed in the horizontal direction.
- the gas introduction port 52 is provided from one end surface portion of the housing 51, and the gas outlet port 53 is formed from the housing 51. It is good to provide it from the other end surface part.
- the gas inlet 52 and the gas outlet 53 may be arranged in a positional relationship that is a substantially opposed surface of the housing. A plurality of gas outlets 53 may be provided.
- the gas diffusion part 57 is formed in the vicinity of the gas inlet 52 in the housing 51, and retains and diffuses the main gas flowing in from the gas inlet 52, thereby coarsening mist and fine particles contained in the main gas. It is a space to take. When the diffused gas comes into contact with the inner wall of the mist trap 51, mist and particulate components adhere to the inner wall and are removed. In the space of the gas diffusion portion 57, a gas diffusion plate, a baffle plate, or the like may be appropriately installed in order to retain the main gas and promote diffusion.
- the filler accommodating portion 58 is disposed in the vicinity of the gas outlet 53 in the housing 51, and includes a filler 56 that adsorbs mist and particulate components, and a plurality of dam plates 54 for holding and filling the filler 56, It has.
- the weir plate 54 has a shape (for example, a semicircular shape) that ensures the flow of gas in the housing 51, and a part of the surface is along the inner wall of the mist trap 51. It is good to install the filler 56.
- the gas introduction port 52 is provided on the first main passage 15 on the side of the electrolytic cell 1 and is an inlet for introducing the main raw gas mainly composed of the fluorine gas generated in the electrolytic cell 1 into the housing 51.
- various adjustment valves such as a pressure adjustment valve may be appropriately provided downstream of the gas introduction port 52.
- a gas introduction tube 55 communicating with the inside of the housing 51 is provided below the gas outlet 53, and the gas flowing through the housing 51 is led out from the gas outlet 53 through the gas inlet tube 55. Further, the gas inlet portion 59 of the gas introduction tube 55 is disposed so as to be buried in the filler 56 accommodated in the filler accommodating portion 58.
- those having corrosion resistance against fluorine gas or hydrogen fluoride gas can be used, for example, nickel, monel, stainless steel, iron, copper, etc. Materials can be mentioned.
- the filler 56 may be a general-purpose product such as a Raschig ring, a pole ring, terralet, McMahon packing, and a helipack, or a combination of these, such as a thin plate or a wire net-like material processed with holes, irregularities, and the like.
- the material of the filler 56 can use the thing which has corrosion resistance with respect to fluorine gas or hydrogen fluoride gas, For example, materials, such as nickel, monel, stainless steel, iron, copper, can be mentioned.
- the filler accommodating part 58 is located between the gas inlet 52 and the gas outlet 53, and the gas diffusion part 57 is located between the gas inlet 52 and the filler accommodating part 58.
- the main raw gas flowing in from the gas introduction port 52 stays in the mist trap 50a, and a region (previous step) for roughing mist and fine particles by diffusion and a gas diffusion part 57 that is a step for roughing are provided.
- a region (post-stage process) for further removing mist and fine particle components contained in the main raw gas component is formed.
- mist trap 50a of the present invention a part of the mist and fine particles are removed before the main gas comes into contact with the filler 56. Therefore, in the filler accommodating portion 58, excessive mist and fine particle components are contained in the filler. It is possible to prevent the gas flow from adhering and blocking. Therefore, it is possible to positively adsorb and remove the mist and fine particles derived from the molten salt without efficiently closing the space in the mist trap.
- the gas inlet portion 59 of the gas introduction tube 55 provided at the lower portion of the gas outlet 53 is disposed so as to be buried in the filler 56 accommodated in the filler accommodating portion 58. Therefore, it is possible to prevent the gas flowing in the housing 51 from being led out from the gas outlet 53 without contacting the filler 56. Furthermore, compared with the case where the filler 56 is densely filled in the pipe for leading out the gas (such as the gas outlet 53), the area of the gas inflow portion to the filler 56 can be increased, so that the filler 56 can be efficiently spread over a wide area. It can be brought into contact with gas, and blockage hardly occurs.
- the by-product gas mist trap 50b for removing mist and fine particles derived from molten salt accompanying the generation of hydrogen gas may be used in an integrated manner.
- flanges are provided at end surfaces of the respective housings. To be integrated.
- mist trap can be further miniaturized and can greatly contribute to the miniaturization of the gas generator 100.
- the main gas mist trap 50 a and the byproduct gas mist trap 50 b integrated with the electrolytic cell 1 are formed in the same casing by adopting the configuration of the above-described other modification. It becomes easy to accommodate in 60, and size reduction of the gas production
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- Automation & Control Theory (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
1 電解槽
2 フッ素ガス供給系
3 副生ガス供給系
4 外部装置
5 原料供給系
7 陽極
8 陰極
11a 第1気室
12a 第2気室
15 第1メイン通路
17 第1ポンプ
20 精製装置
30 第2メイン通路
31 第2ポンプ
50a、50b ミストトラップ
51 ハウジング
52 ガス導入口
53 ガス導出口
54 堰板
55 ガス導入チューブ
56 充填材
57 ガス拡散部
58 充填材収容部
59 ガス入口部
60 筐体
Claims (4)
- フッ化水素を含む溶融塩中のフッ化水素を電気分解することによって、ガスを生成するガス生成装置であって、
フッ化水素を含む溶融塩からなる電解浴中でフッ化水素を電解することによってガスを発生させる電解槽と、
前記ガスの発生に随伴する溶融塩由来のミストや微粒子を除去するミストトラップと、を備え、
前記ミストトラップは、
ガスを流通させる筒状のハウジングと、
前記電解槽から発生したガスを導入するガス導入口と、
前記ハウジングからガスを導出させるガス導出口と、
前記ガス導入口と前記ガス導出口の間に位置し、ミストや微粒子を吸着させるための充填材を収容する充填材収容部と、
前記ガス導入口と前記充填材収容部の間に位置しており、前記電解槽から発生したガスをハウジング内に拡散させるためのガス拡散部と、を有し、
前記ガス導出口は、ハウジング内に通ずるガス導入チューブを有しており、前記ガス導入チューブのガス入口部が、前記充填材収容部に収容された充填材に埋もれるように配置されていることを特徴とするガス生成装置。 - 前記ハウジングは、横長形状であり、
前記ハウジングの長手方向において、前記ガス導入口は、ハウジングの一方の端面部よりに設けられ、前記ガス導出口は、ハウジングの他方の端面部よりに設けられる、請求項1に記載のガス生成装置。 - 前記ガスが、フッ素ガスを主成分とする主生ガスと、水素ガスを主成分とする副生ガスからなり、
前記主生ガスのミストや微粒子を除去する主生ガスミストトラップと、前記副生ガスのミストや微粒子を除去する副生ガスミストトラップと、を備え、
前記主生ガスミストトラップと前記副生ガスミストトラップとが、ハウジングの端面部を介して、一体化される、請求項1又は請求項2に記載のガス生成装置。 - 前記電解槽と前記ミストトラップとが、同一の筐体に収容される、請求項1から請求項3の何れか1項に記載のガス生成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US14/370,708 US9708720B2 (en) | 2012-01-05 | 2012-10-23 | Gas generation device |
KR1020147021561A KR101704649B1 (ko) | 2012-01-05 | 2012-10-23 | 가스 생성 장치 |
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JP2012-000409 | 2012-01-05 | ||
JP2012000409A JP5919824B2 (ja) | 2012-01-05 | 2012-01-05 | ガス生成装置 |
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JP (1) | JP5919824B2 (ja) |
KR (1) | KR101704649B1 (ja) |
TW (1) | TW201331420A (ja) |
WO (1) | WO2013103041A1 (ja) |
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CN113874555B (zh) | 2019-12-27 | 2024-01-05 | 株式会社力森诺科 | 氟气的制造方法及氟气制造装置 |
KR20220065832A (ko) | 2019-12-27 | 2022-05-20 | 쇼와 덴코 가부시키가이샤 | 불소 가스의 제조 방법 및 불소 가스 제조 장치 |
WO2021131578A1 (ja) | 2019-12-27 | 2021-07-01 | 昭和電工株式会社 | フッ素ガス製造装置及び光散乱検出器 |
CN113874553B (zh) * | 2019-12-27 | 2024-02-09 | 株式会社力森诺科 | 氟气的制造方法及氟气制造装置 |
US12098468B2 (en) | 2019-12-27 | 2024-09-24 | Resonac Corporation | Method for producing fluorine gas and device for producing fluorine gas |
JPWO2021131818A1 (ja) * | 2019-12-27 | 2021-07-01 | ||
EP4083260A4 (en) * | 2019-12-27 | 2024-10-09 | Resonac Corp | METHOD FOR PRODUCING FLUORINE GAS AND APPARATUS FOR PRODUCING FLUORINE GAS |
DE102022213664A1 (de) * | 2022-12-14 | 2024-06-20 | Robert Bosch Gesellschaft mit beschränkter Haftung | Elektrolyseur |
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- 2012-10-23 KR KR1020147021561A patent/KR101704649B1/ko active IP Right Grant
- 2012-10-23 WO PCT/JP2012/077285 patent/WO2013103041A1/ja active Application Filing
- 2012-12-21 TW TW101149180A patent/TW201331420A/zh unknown
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Also Published As
Publication number | Publication date |
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KR20140114001A (ko) | 2014-09-25 |
JP2013139607A (ja) | 2013-07-18 |
TW201331420A (zh) | 2013-08-01 |
KR101704649B1 (ko) | 2017-02-08 |
JP5919824B2 (ja) | 2016-05-18 |
US20150292092A1 (en) | 2015-10-15 |
US9708720B2 (en) | 2017-07-18 |
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