| 摘要 |
2130811 9316785 PCTABS00025 A catalyst vessel (14) including an inlet conduit (10) at an upstream end (12), a plurality of catalytic chambers (16, 18, 20) located downstream of the conduit (10), wherein at least two chambers (16, 18, 20) are connected by a plate (24, 26) having one or more orifices therein to permit gas flow through the first chamber (16) to the second chamber (18), and from the second chamber (18) to the third chamber (20), and wherein at least one surface in the chambers (16, 18, 20) is adapted for deposition of a metal selected from the group consisting of platinum, rhodium, and rhenium, and an outlet (32) at its downstream end.
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