DEVICE FOR ELIMINATING N2O WITHIN EXHAUST GAS AND METHOD FOR ELIMINATING N2O
By use of an N 2 O removing system comprising a plurality of gas flow passages 1 and catalyst packed layers 2 packed with N 2 O decomposition catalysts, which are alternately arranged, wherein the gas flow passages 1 next to each other via the catalyst packed layers 2 comprise a gas introduction pas...
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| creator | SASAKI, TOICHIRO NOIRI, NATSUMI YAMADA, MASAKI |
| description | By use of an N 2 O removing system comprising a plurality of gas flow passages 1 and catalyst packed layers 2 packed with N 2 O decomposition catalysts, which are alternately arranged, wherein the gas flow passages 1 next to each other via the catalyst packed layers 2 comprise a gas introduction passage 11 and a gas discharge passage 12, and wherein the respective gas flow passages are provided with valves 3 sequentially opened along with the deterioration of N 2 O catalysts due to their time-dependent changes to cumulatively increase the number of the catalyst packed layers used, the valves 31 and 32 are opened along with time-dependent changes after the beginning of N 2 O removal treatment, thereby cumulatively increasing the number of the catalyst packed layers 2 used. |
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| subjects | BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES CONSUMING WASTE PRODUCTS BY COMBUSTION CREMATION FURNACES HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS |
| title | DEVICE FOR ELIMINATING N2O WITHIN EXHAUST GAS AND METHOD FOR ELIMINATING N2O |
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