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COMPACT CYLINDRICAL SELECTIVE CATALYTIC REDUCTION SYSTEM FOR NITROGEN OXIDE REDUCTION IN THE OXYGEN-RICH EXHAUST OF 500 TO 4500 KW INTERNAL COMBUSTION ENGINES
COMPACT CYLINDRICAL SELECTIVE CATALYTIC REDUCTION SYSTEM FOR NITROGEN OXIDE REDUCTION IN THE OXYGEN-RICH EXHAUST OF 500 TO 4500 KW INTERNAL COMBUSTION ENGINES
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机译:500-4500 KW内燃机富氧排放中氮氧化物还原的紧凑圆柱选择性催化还原系统。
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摘要
A compact Selective Catalytic Reduction (SCR) system comprising a system inlet, a gas flow system and a plurality of catalyst clusters is described. The system inlet is configured to utilize heat of the cleaned exhaust to vaporize a solution of a reductant, or a precursor of a reductant, and to mix the vaporized reductant with exhaust gas to form a mixed gas. The gas flow system is configured to provide the mixed gas from the system inlet to a plurality of catalyst clusters and to provide heat from the exhaust gas to assist in vaporization of the reductant/precursor and to assist in the conversion of the precursor to the reductant. The plurality of catalyst clusters comprise SCR and ASC catalysts but can also include filter functionality.
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