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OALib Journal期刊
ISSN: 2333-9721
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coox-ceox/zro2催化氧化no性能及抗so2毒化研究
, PP. 1377-1383
Keywords: coox-ceox/zro2催化剂,催化氧化no,抗so2
Abstract:
？采用浸渍法制备了一系列coox-ceox/zro2催化剂,探讨了催化剂载体、co含量、co/ce配比等对co基催化剂催化氧化no活性的影响及其机理。zro2负载的co氧化物具有优良的低温no催化氧化活性,铈的添加进一步提高了催化剂的低温活性。其促进机制主要是提高了催化剂吸附氧的能力及改善了co在催化剂表面的分散。同时,掺杂铈使得催化剂抗so2能力有一定增强,呈现出选择性毒化机制。
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