JP5424297B2 - 貴金属の回収方法と機能材料の製造方法、並びに機能材料を用いた強酸化性金属イオン含有水溶液の処理方法 - Google Patents
貴金属の回収方法と機能材料の製造方法、並びに機能材料を用いた強酸化性金属イオン含有水溶液の処理方法 Download PDFInfo
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- JP5424297B2 JP5424297B2 JP2008231477A JP2008231477A JP5424297B2 JP 5424297 B2 JP5424297 B2 JP 5424297B2 JP 2008231477 A JP2008231477 A JP 2008231477A JP 2008231477 A JP2008231477 A JP 2008231477A JP 5424297 B2 JP5424297 B2 JP 5424297B2
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- 239000007864 aqueous solution Substances 0.000 title claims description 72
- 229910000510 noble metal Inorganic materials 0.000 title claims description 56
- 229910021645 metal ion Inorganic materials 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 24
- 239000000463 material Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 230000005855 radiation Effects 0.000 claims description 50
- 239000011343 solid material Substances 0.000 claims description 49
- 230000001590 oxidative effect Effects 0.000 claims description 35
- 150000002500 ions Chemical class 0.000 claims description 30
- 230000009467 reduction Effects 0.000 claims description 30
- 239000003054 catalyst Substances 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000033116 oxidation-reduction process Effects 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 239000006104 solid solution Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 2
- 239000008204 material by function Substances 0.000 claims 1
- 238000006722 reduction reaction Methods 0.000 description 38
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 35
- 239000000843 powder Substances 0.000 description 27
- 229910052684 Cerium Inorganic materials 0.000 description 18
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 18
- 238000011282 treatment Methods 0.000 description 18
- 239000000126 substance Substances 0.000 description 15
- 238000011084 recovery Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 7
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 7
- 239000010970 precious metal Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000002285 radioactive effect Effects 0.000 description 5
- 238000000862 absorption spectrum Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- -1 quartz Chemical class 0.000 description 4
- 239000002901 radioactive waste Substances 0.000 description 4
- 231100000987 absorbed dose Toxicity 0.000 description 3
- 230000005251 gamma ray Effects 0.000 description 3
- 239000000383 hazardous chemical Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000002927 high level radioactive waste Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003608 radiolysis reaction Methods 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- MUJIDPITZJWBSW-UHFFFAOYSA-N palladium(2+) Chemical compound [Pd+2] MUJIDPITZJWBSW-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical class Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Physical Water Treatments (AREA)
Description
第5に、上記第4の発明において、固体材料が、酸化物、金属またはそれらを含有する材料である。
パラジウム、ロジウム、白金の塩化物をそれぞれ純水に溶かした水溶液(白金族元素イオンを含む水溶液)を準備して、図1(a)に示した貴金属回収処理装置を用いて、各水溶液にチタニア、アルミナ、シリカなどの酸化物粉末をそれぞれ単独に添加して、ガンマ線を照射した。併せて、酸化物粉末を添加せずに白金族元素イオンを含む水溶液にガンマ線を照射した実験も行った。図2はガンマ線照射した水溶液中の白金族元素イオンの分析結果を示しており、(a)は2価パラジウムイオンの吸収スペクトルの変化、(b)は吸収線量に伴う4価白金イオンの濃度変化を示す。
<実施例2>
図1(b)に示した還元処理装置を用いて、強酸化性金属イオンとして4価セリウムを含む水溶液に、実施例1で回収した白金族元素を分散または担持した酸化物粉末を添加して、ガンマ線を照射した。併せて、白金族元素を分散または担持した酸化物粉末を添加せずに4価セリウムを含む水溶液にガンマ線を照射した実験、および、4価セリウムを含む水溶液に酸化物粉末単体(白金族元素を分散または担持していない)を添加してガンマ線を照射した実験も行った。図4はガンマ線照射した水溶液中の4価セリウムの分析結果を示しており、4価セリウムの吸収スペクトルの変化を示している。
<実施例3>
図1(b)に示した還元処理装置を用いて、強酸化性金属イオンとして6価クロムを含む水溶液に、実施例1で回収した白金族元素を分散または担持した酸化物粉末を添加して、ガンマ線を照射した。併せて、白金族元素を分散または担持した酸化物粉末を添加せずに6価クロムを含む水溶液にガンマ線を照射した実験も行った。その結果を図7に示す。
<発明の効果>
Claims (7)
- 貴金属イオンを含む水溶液に、放射線エネルギーを吸収して化学反応エネルギーに変換する触媒として機能する固体材料であって、石英、アルミナ、チタニア、ジルコニア及びこれらの混合物から選択される固体もしくは固溶体から選択される固体材料を添加し、放射線照射して前記固体材料の表面に貴金属を分散または担持させることを特徴とする貴金属の回収方法。
- 放射線照射が、貴金属イオンを含む水溶液の外部からの放射線照射または放射線源を前記水溶液に導入した内部からの放射線照射であることを特徴とする請求項1に記載の貴金属の回収方法。
- 貴金属イオンを含む水溶液に、放射線エネルギーを吸収して化学反応エネルギーに変換する触媒として機能する固体材料であって、石英、アルミナ、チタニア、ジルコニア及びこれらの混合物から選択される固体もしくは固溶体から選択される固体材料を添加し、放射線照射して前記固体材料の表面に貴金属を分散または担持させた貴金属分散・担持固体材料を得ることを特徴とする機能材料の製造方法。
- 放射線照射が、貴金属イオンを含む水溶液の外部からの放射線照射または放射線源を前記水溶液に導入した内部からの放射線照射であることを特徴とする請求項3に記載の機能材料の製造方法。
- 貴金属分散・担持固体材料が、-2.0 V以上の標準酸化還元電位(V vs 標準水素発生電位)を有する強酸化性金属イオン還元用触媒材料であることを特徴とする請求項3または4に記載の機能材料の製造方法。
- 請求項3から5のいずれかの方法で製造した機能材料を、-2.0 V以上の標準酸化還元電位(V vs 標準水素発生電位)を有する強酸化性金属イオンを含む水溶液に添加し、放射線照射して前記強酸化性金属イオンを還元処理することを特徴とする強酸化性金属イオン含有水溶液の処理方法。
- 放射線照射が、強酸化性金属イオンを含む水溶液の外部からの放射線照射または放射線源を前記水溶液に導入した内部からの放射線照射であることを特徴とする請求項6に記載の強酸化性金属イオン含有水溶液の処理方法。
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JP2008231477A JP5424297B2 (ja) | 2008-09-09 | 2008-09-09 | 貴金属の回収方法と機能材料の製造方法、並びに機能材料を用いた強酸化性金属イオン含有水溶液の処理方法 |
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JP5424297B2 true JP5424297B2 (ja) | 2014-02-26 |
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Cited By (1)
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KR20200022228A (ko) * | 2018-08-22 | 2020-03-03 | 한국원자력연구원 | 팔라듐의 회수 방법 |
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JP5619685B2 (ja) * | 2011-06-23 | 2014-11-05 | 日立Geニュークリア・エナジー株式会社 | 白金添着酸化物ナノ粒子の製造方法 |
CN114230080B (zh) * | 2021-12-24 | 2024-05-24 | 云南科力环保股份公司 | 一种铂贵金属废水零排放处理方法 |
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EP1604953A1 (en) * | 2003-03-17 | 2005-12-14 | Kansai Technology Licensing Organization Co., Ltd. | Noble metal-magnetic metal oxide composite particle and method for producing same |
JP4979492B2 (ja) * | 2003-03-17 | 2012-07-18 | 国立大学法人大阪大学 | 貴金属・磁性金属酸化物複合微粒子およびその製造法 |
JP4565127B2 (ja) * | 2005-03-09 | 2010-10-20 | 独立行政法人 日本原子力研究開発機構 | 固体を共存した水溶液への放射線照射による水溶液中の強酸化性金属イオンの処理回収方法 |
JP2007205911A (ja) * | 2006-02-02 | 2007-08-16 | Sekisui Chem Co Ltd | 金酸化鉄複合磁性粒子、免疫測定用磁性粒子及び免疫測定法 |
JP2008207081A (ja) * | 2007-02-23 | 2008-09-11 | Hitachi Maxell Ltd | 一酸化炭素酸化触媒及びその製造方法 |
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KR20200022228A (ko) * | 2018-08-22 | 2020-03-03 | 한국원자력연구원 | 팔라듐의 회수 방법 |
KR102106887B1 (ko) | 2018-08-22 | 2020-05-07 | 한국원자력연구원 | 팔라듐의 회수 방법 |
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