DETOXIFICATION SYSTEM AND DETOXIFICATION METHOD OF RHODIUM CATALYST
PROBLEM TO BE SOLVED: To provide a detoxification system and detoxification method of rhodium catalyst that first definitely performs detoxification, secondarily simply and easily achieves the former, and would further thirdly perform the reduction and decomposition of nitrous oxide. SOLUTION: In th...
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| creator | TANIHATA KAZUKI HAYASHI JUNICHIRO OKI YUKI SHIGEE SEIICHI MURATA TOSHIAKI MIYAMOTO MASAYASU TAMAGAWA JUNNOSUKE AOKI SHIGEMICHI NISHIKAWA YASUYOSHI |
| description | PROBLEM TO BE SOLVED: To provide a detoxification system and detoxification method of rhodium catalyst that first definitely performs detoxification, secondarily simply and easily achieves the former, and would further thirdly perform the reduction and decomposition of nitrous oxide. SOLUTION: In the detoxification system and detoxification method of rhodium catalyst, a rhodium catalyst 1 reduces and decomposes nitrous oxide of low concentration, contained in an exhaust gas 2, into nitrogen and oxygen at a heating temperature of less than thermal decomposition. A poisoning substance consists of sulfur compounds adsorbed on the surface of the rhodium catalyst 1, typically a sulfate ion and a sulfurous acid hydrogen ion of sulfurous acid. The rhodium catalyst 1 poisoned by the poisoning substance is detoxified by supplying hydrogen, namely the supply of hydrogen generates a nascent atomic hydrogen of stronger reduction than those of the sulfur compounds, thereby performing detoxification by allowing the hydrogen to be adsorbed on the surface of rhodium catalyst 1 in place of the sulfur compounds. COPYRIGHT: (C)2010,JPO&INPIT |
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SOLUTION: In the detoxification system and detoxification method of rhodium catalyst, a rhodium catalyst 1 reduces and decomposes nitrous oxide of low concentration, contained in an exhaust gas 2, into nitrogen and oxygen at a heating temperature of less than thermal decomposition. A poisoning substance consists of sulfur compounds adsorbed on the surface of the rhodium catalyst 1, typically a sulfate ion and a sulfurous acid hydrogen ion of sulfurous acid. The rhodium catalyst 1 poisoned by the poisoning substance is detoxified by supplying hydrogen, namely the supply of hydrogen generates a nascent atomic hydrogen of stronger reduction than those of the sulfur compounds, thereby performing detoxification by allowing the hydrogen to be adsorbed on the surface of rhodium catalyst 1 in place of the sulfur compounds. 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SOLUTION: In the detoxification system and detoxification method of rhodium catalyst, a rhodium catalyst 1 reduces and decomposes nitrous oxide of low concentration, contained in an exhaust gas 2, into nitrogen and oxygen at a heating temperature of less than thermal decomposition. A poisoning substance consists of sulfur compounds adsorbed on the surface of the rhodium catalyst 1, typically a sulfate ion and a sulfurous acid hydrogen ion of sulfurous acid. The rhodium catalyst 1 poisoned by the poisoning substance is detoxified by supplying hydrogen, namely the supply of hydrogen generates a nascent atomic hydrogen of stronger reduction than those of the sulfur compounds, thereby performing detoxification by allowing the hydrogen to be adsorbed on the surface of rhodium catalyst 1 in place of the sulfur compounds. COPYRIGHT: (C)2010,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG] CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING |
| title | DETOXIFICATION SYSTEM AND DETOXIFICATION METHOD OF RHODIUM CATALYST |
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