DE3772220D1 - Verfahren und vorrichtung zur photoelektrokatalytischen reduktion von edelmetallen in salpetersaurer loesung. - Google Patents
Verfahren und vorrichtung zur photoelektrokatalytischen reduktion von edelmetallen in salpetersaurer loesung.Info
- Publication number
- DE3772220D1 DE3772220D1 DE8787100807T DE3772220T DE3772220D1 DE 3772220 D1 DE3772220 D1 DE 3772220D1 DE 8787100807 T DE8787100807 T DE 8787100807T DE 3772220 T DE3772220 T DE 3772220T DE 3772220 D1 DE3772220 D1 DE 3772220D1
- Authority
- DE
- Germany
- Prior art keywords
- acid solution
- nitric acid
- precious metals
- photoelectrocatalytic
- reduction
- 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.)
- Expired - Lifetime
Links
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title 1
- 229910017604 nitric acid Inorganic materials 0.000 title 1
- 239000010970 precious metal Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/123—Ultra-violet light
-
- 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
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/253—Halides
- C01F17/259—Oxyhalides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G1/00—Methods of preparing compounds of metals not covered by subclasses C01B, C01C, C01D, or C01F, in general
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G43/00—Compounds of uranium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G55/00—Compounds of ruthenium, rhodium, palladium, osmium, iridium, or platinum
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G56/00—Compounds of transuranic elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G56/00—Compounds of transuranic elements
- C01G56/001—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G56/00—Compounds of transuranic elements
- C01G56/007—Compounds of transuranic elements
- C01G56/008—Compounds of neptunium
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
- G21C19/46—Aqueous processes, e.g. by using organic extraction means, including the regeneration of these means
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1015686 | 1986-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3772220D1 true DE3772220D1 (de) | 1991-09-26 |
Family
ID=11742413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787100807T Expired - Lifetime DE3772220D1 (de) | 1986-01-22 | 1987-01-21 | Verfahren und vorrichtung zur photoelektrokatalytischen reduktion von edelmetallen in salpetersaurer loesung. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4774026A (de) |
EP (1) | EP0233498B1 (de) |
DE (1) | DE3772220D1 (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4950449A (en) * | 1986-08-27 | 1990-08-21 | General Electric Company | Inhibition of radioactive cobalt deposition in water-cooled nuclear reactors |
JPH0295440A (ja) * | 1988-10-01 | 1990-04-06 | Power Reactor & Nuclear Fuel Dev Corp | 放射線触媒及びそれを用いた酸化還元方法と装置 |
US5183652A (en) * | 1988-10-01 | 1993-02-02 | Doryokuro Kakunenryo Kaihatsu Jigyodan | Radioactive catalyst and oxidation-reduction method and apparatus using same |
US5045288A (en) * | 1989-09-15 | 1991-09-03 | Arizona Board Of Regents, A Body Corporate Acting On Behalf Of Arizona State University | Gas-solid photocatalytic oxidation of environmental pollutants |
US5616532A (en) * | 1990-12-14 | 1997-04-01 | E. Heller & Company | Photocatalyst-binder compositions |
FR2673125B1 (fr) * | 1991-02-25 | 1994-01-28 | Sarp Ind | Procede et installation de destruction de dechets de laboratoire. |
DE4109872A1 (de) * | 1991-03-26 | 1992-10-01 | Univ Halle Wittenberg | Verfahren zur entfernung von oxidierbaren stickstoffverbindungen aus waessrigen loesungen |
US5449466A (en) * | 1993-04-23 | 1995-09-12 | American Energy Technologies, Inc. | Apparatus and method for photocatalytic treatment of a fluid |
JP2668643B2 (ja) * | 1993-10-06 | 1997-10-27 | 動力炉・核燃料開発事業団 | マイナーアクチニド核種の消滅処理方法 |
US5849200A (en) * | 1993-10-26 | 1998-12-15 | E. Heller & Company | Photocatalyst-binder compositions |
US5501801A (en) * | 1993-11-30 | 1996-03-26 | Board Of Control Of Michigan Technology University | Method and apparatus for destroying organic compounds in fluid |
JP2939110B2 (ja) * | 1994-03-10 | 1999-08-25 | 核燃料サイクル開発機構 | ネプツニウムとプルトニウムの共抽出方法 |
US5449443A (en) * | 1994-06-13 | 1995-09-12 | Jacoby; William A. | Photocatalytic reactor with flexible supports |
US5696380A (en) * | 1995-05-09 | 1997-12-09 | Labatt Brewing Company Limited | Flow-through photo-chemical reactor |
AU5642196A (en) * | 1995-05-09 | 1996-11-29 | Labatt Brewing Company Limited | Static fluid flow mixing apparatus |
IL133444A (en) * | 1997-06-18 | 2005-07-25 | Berkshire Lab Inc | Method for replacing a physical catalyst in a chemical reaction system with a spectral catalyst |
US5961679A (en) * | 1997-11-05 | 1999-10-05 | U. S. Department Of Energy | Recovery of fissile materials from nuclear wastes |
US6426126B1 (en) | 1997-12-19 | 2002-07-30 | Amt Holdings, Inc. | Preparation of metal coatings |
US6136389A (en) * | 1997-12-19 | 2000-10-24 | Amt Holdings, Inc. | Preparation of metal coatings |
JP4043647B2 (ja) | 1999-06-23 | 2008-02-06 | 株式会社東芝 | 原子炉構造材及び原子炉構造材の腐食低減方法 |
US7622693B2 (en) * | 2001-07-16 | 2009-11-24 | Foret Plasma Labs, Llc | Plasma whirl reactor apparatus and methods of use |
US9481584B2 (en) * | 2001-07-16 | 2016-11-01 | Foret Plasma Labs, Llc | System, method and apparatus for treating liquids with wave energy from plasma |
US7857972B2 (en) * | 2003-09-05 | 2010-12-28 | Foret Plasma Labs, Llc | Apparatus for treating liquids with wave energy from an electrical arc |
US8764978B2 (en) | 2001-07-16 | 2014-07-01 | Foret Plasma Labs, Llc | System for treating a substance with wave energy from an electrical arc and a second source |
US10188119B2 (en) | 2001-07-16 | 2019-01-29 | Foret Plasma Labs, Llc | Method for treating a substance with wave energy from plasma and an electrical arc |
US8734654B2 (en) | 2001-07-16 | 2014-05-27 | Foret Plasma Labs, Llc | Method for treating a substance with wave energy from an electrical arc and a second source |
US8981250B2 (en) | 2001-07-16 | 2015-03-17 | Foret Plasma Labs, Llc | Apparatus for treating a substance with wave energy from plasma and an electrical Arc |
US8734643B2 (en) | 2001-07-16 | 2014-05-27 | Foret Plasma Labs, Llc | Apparatus for treating a substance with wave energy from an electrical arc and a second source |
US7422695B2 (en) * | 2003-09-05 | 2008-09-09 | Foret Plasma Labs, Llc | Treatment of fluids with wave energy from a carbon arc |
US8262868B2 (en) * | 2001-09-11 | 2012-09-11 | Gr Intellectual Reserve, Llc | Spectral chemistry |
GB0122933D0 (en) * | 2001-09-24 | 2001-11-14 | Snowball Malcolm R | High efficiency microbiological disinfection and pollution removal system |
FR2831467B1 (fr) * | 2001-10-29 | 2003-12-19 | Sicat | Photocatalyseur et procede de purification d'effluents gazeux par photocatalyse d'oxydation |
GB0125951D0 (en) * | 2001-10-30 | 2001-12-19 | British Nuclear Fuels Plc | Process for controlling valence states |
DE10163313B4 (de) * | 2001-12-21 | 2005-10-27 | Medizinisches Laserzentrum Lübeck GmbH | Verfahren und Vorrichtung zur Beeinflussung einer Reaktion von in einem Medium angeordneten Reaktionspartnern |
US7482072B2 (en) * | 2002-07-09 | 2009-01-27 | Grintellectual Reserve, Llc | Optimizing reactions in fuel cells and electrochemical reactions |
WO2007058284A1 (ja) * | 2005-11-18 | 2007-05-24 | Mitsubishi Gas Chemical Company, Inc. | ウエットエッチング方法及びウエットエッチング装置 |
JP2007260667A (ja) * | 2006-03-01 | 2007-10-11 | Nissan Motor Co Ltd | 光触媒活性化システム及び光触媒の活性化方法 |
CN105143413B (zh) | 2012-12-11 | 2017-07-04 | 弗雷特等离子实验室公司 | 高温逆流涡动反应器系统、方法和装置 |
WO2014165255A1 (en) | 2013-03-12 | 2014-10-09 | Foret Plasma Labs, Llc | Apparatus and method for sintering proppants |
CN112426985B (zh) * | 2020-10-16 | 2022-12-23 | 天津志远腾飞技术检测有限公司 | 一种用于光催化的实验器具 |
CN114634219A (zh) * | 2020-12-16 | 2022-06-17 | 核工业北京化工冶金研究院 | 一种采用漂浮型光催化材料处理含铀废水中u(vi)的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3085952A (en) * | 1958-11-10 | 1963-04-16 | Gulf Research Development Co | Irradiation isomerization |
DE2146262C3 (de) * | 1971-09-16 | 1981-05-21 | Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH, 3000 Hannover | Vorrichtung zur Reduktion von Salzlösungen von Verbindungen kernphysikalisch spaltbarer Elemente |
US3901806A (en) * | 1974-02-04 | 1975-08-26 | Dow Chemical Co | Treatment of aqueous liquors with uranyl ions |
US4200507A (en) * | 1976-12-03 | 1980-04-29 | General Atomic Company | Separation of uranium isotopes |
US4131527A (en) * | 1977-03-30 | 1978-12-26 | The United States Of America As Represented By The United States Department Of Energy | Method for selectively reducing plutonium values by a photochemical process |
US4172775A (en) * | 1978-02-09 | 1979-10-30 | The United States Of America As Represented By The Secretary Of The Navy | Photochemical separation of metals in solution by precipitation following reduction or oxidation |
DE2929122A1 (de) * | 1979-07-18 | 1981-02-05 | Alkem Gmbh | Verfahren zur elektrochemischen einstellung der pu (vi)-oxidationsstufe |
JPS5767002A (en) * | 1980-10-14 | 1982-04-23 | Toshiba Corp | Decomposing apparatus for water |
IN159370B (de) * | 1982-01-15 | 1987-05-09 | Ciba Geigy Ag | |
US4451342A (en) * | 1982-05-03 | 1984-05-29 | Atlantic Richfield Company | Light driven photocatalytic process |
JPS59203701A (ja) * | 1983-05-06 | 1984-11-17 | Agency Of Ind Science & Technol | 光触媒的な水素製造方法 |
JPS6050172A (ja) * | 1983-08-26 | 1985-03-19 | Toshiba Corp | 金属イオンの還元方法 |
US4571290A (en) * | 1984-08-22 | 1986-02-18 | The Standard Oil Company (Ohio) | Process for the selective oxidation of olefins with photochemical illumination of semiconductor powder suspensions |
US4655891A (en) * | 1984-08-22 | 1987-04-07 | The Standard Oil Company | Process for the photochemical dehydrogenation of alcohols with semiconductor powder suspensions |
-
1987
- 1987-01-21 EP EP19870100807 patent/EP0233498B1/de not_active Expired - Lifetime
- 1987-01-21 DE DE8787100807T patent/DE3772220D1/de not_active Expired - Lifetime
- 1987-01-22 US US07/005,961 patent/US4774026A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4774026A (en) | 1988-09-27 |
EP0233498B1 (de) | 1991-08-21 |
EP0233498A2 (de) | 1987-08-26 |
EP0233498A3 (en) | 1988-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |