JP7394226B2 - 水の電気分解によって高純度水素及び/又は酸素を調製するための装置及び方法 - Google Patents
水の電気分解によって高純度水素及び/又は酸素を調製するための装置及び方法 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 110
- 239000001257 hydrogen Substances 0.000 title claims description 29
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 26
- 239000001301 oxygen Substances 0.000 title claims description 25
- 229910052760 oxygen Inorganic materials 0.000 title claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 24
- 238000005868 electrolysis reaction Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 16
- 239000007788 liquid Substances 0.000 claims description 29
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 24
- 239000003513 alkali Substances 0.000 claims description 22
- 238000007872 degassing Methods 0.000 claims description 13
- 229910052786 argon Inorganic materials 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 18
- 239000012535 impurity Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 238000010612 desalination reaction Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000010291 electrical method Methods 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- QVGXLLKOCUKJST-BJUDXGSMSA-N oxygen-15 atom Chemical compound [15O] QVGXLLKOCUKJST-BJUDXGSMSA-N 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- -1 salt ions Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000001991 steam methane reforming Methods 0.000 description 1
- 239000007785 strong electrolyte Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
- C01B13/0207—Water
-
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/16—Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
- C01B3/042—Decomposition of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/26—Treatment of water, waste water, or sewage by extraction
- C02F1/265—Desalination
-
- 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
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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
- C25B15/085—Removing impurities
-
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- 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
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- 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
- C25B9/60—Constructional parts of cells
- C25B9/67—Heating or cooling means
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4616—Power supply
- C02F2201/4617—DC only
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
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- Water Supply & Treatment (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Physical Water Treatments (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Description
a)脱ガス器で脱塩水を脱ガスして、脱塩脱ガス水を得る工程と、
b)電気分解器給水ポンプで脱塩脱ガス水を加圧して、電気分解器給水を得るとともに、これをアノードアルカリ液分離器及びカソードアルカリ液分離器に送入する工程であって、分離器中のアルカリ液の部分は、熱アルカリ液再循環ストリームとしてアルカリ液冷却器で冷却され、且つ次いでDC電源と導通する電解セルに送入される、工程と、
c)アノードアルカリ液分離器で分離除去されたO2及びカソードアルカリ液分離器で分離除去されたH2をさらに精製して、生成物を得る工程と
を含む。
アノードにおいて:4OH-→O2+2H2O+4e-、
カソードにおいて:4H2O+4e-→4OH-+2H2、
全反応:2H2O→2H2+O2
が発生する。
Claims (5)
- 水の電気分解によって高純度水素及び/又は酸素を調製するための装置において、順次接続されている、脱塩水処理システムと、任意選択的に脱塩水貯蔵タンクと、脱ガス器給水ポンプと、脱塩脱ガス水熱交換器と、脱塩水を脱ガスするための脱ガス器と、電気分解器給水ポンプと、電気分解器と、を含み、
前記電気分解器は、アルカリ電気分解器であり、且つ電解セルと、アノードアルカリ液分離器と、カソードアルカリ液分離器と、アルカリ液熱交換器と、アルカリ液冷却器と、を含み、
前記アルカリ液熱交換器を通して流れる熱アルカリ液再循環ストリームは、熱を前記脱ガス器に供給し、
前記脱ガス器から排出された熱脱塩脱ガス水は、熱媒体として脱塩脱ガス水熱交換器に入り、熱交換を介して冷却された後、冷脱塩脱ガス水になり、
前記冷脱塩脱ガス水は、電気分解器給水ポンプによって加圧されて、前記アノードアルカリ液分離器及び前記カソードアルカリ液分離器に個別に送入されることを特徴とする装置。 - 前記脱塩水は、前記脱ガス器によって脱ガスされた後、重量割合で10ppb未満のアルゴン含有率を有することを特徴とする、請求項1に記載の装置。
- 生成された前記高純度水素及び/又は酸素は、重量割合で5ppb未満のアルゴン含有率を有することを特徴とする、請求項1又は2に記載の装置。
- 前記電気分解器で生成された前記高純度水素及び/又は酸素のさらなる精製のための機器をさらに含むことを特徴とする、請求項1又は2に記載の装置。
- 請求項1に記載の装置を用いて、水の電気分解によって前記高純度水素及び/又は酸素を調製するための方法において、
a)前記脱ガス器給水ポンプで前記脱塩水を加圧し、加圧された前記脱塩水を、冷脱塩
入力水として前記脱塩脱ガス水熱交換器に送入し、熱脱塩出力水を得る工程と、
b)前記熱脱塩出力水を前記脱ガス器で脱ガスし、前記熱脱塩脱ガス水を得る工程であって、前記熱脱塩脱ガス水は、熱媒体として前記脱塩脱ガス水熱交換器に入り、熱交換を介して冷却された後、前記冷脱塩脱ガス水になる、工程と、
c)電気分解器給水ポンプで前記冷脱塩脱ガス水を加圧して、電気分解器給水を得るとともに、電気分解器給水を前記アノードアルカリ液分離器及び前記カソードアルカリ液分離器に個別に送入する工程であって、前記分離器中のアルカリ液の一部は、前記熱アルカリ液再循環ストリームとして排出され、前記アルカリ液熱交換器を通して前記脱ガス器に熱を供給し、その後、前記アルカリ液冷却器で冷却され、且つ次いでDC電源と導通する前記電解セルに送入される、工程と、
d)前記アノードアルカリ液分離器で分離除去されたO 2 及び前記カソードアルカリ液分離器で分離除去されたH 2 をさらに精製して、生成物を得る工程と、
を含むことを特徴とする方法。
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PCT/CN2020/137965 WO2021129566A1 (zh) | 2019-12-25 | 2020-12-21 | 电解水生产高纯氢气和/或氧气的装置和方法 |
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JPS59208085A (ja) * | 1983-05-11 | 1984-11-26 | Tokuyama Soda Co Ltd | 高純度水素の製造方法 |
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JP2013173995A (ja) | 2012-02-27 | 2013-09-05 | Vantec:Kk | 電解室構造、電解セルユニット、電解セルスタック及び水素発生装置 |
CN106283101A (zh) | 2016-08-29 | 2017-01-04 | 山东泓达生物科技有限公司 | 一种超纯氢的制备方法 |
WO2018174281A1 (ja) | 2017-03-23 | 2018-09-27 | 旭化成株式会社 | 水電解システム、水電解方法、水素の製造方法 |
WO2019049265A1 (ja) | 2017-09-07 | 2019-03-14 | デノラ・ペルメレック株式会社 | 電解装置 |
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CN110965069A (zh) | 2020-04-07 |
KR20220119120A (ko) | 2022-08-26 |
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TWI801782B (zh) | 2023-05-11 |
WO2021129566A1 (zh) | 2021-07-01 |
US20230044196A1 (en) | 2023-02-09 |
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