【摘要】 在考察了几种单组分氧化物把硫化氢催化氧化为单质硫的基础上 ,采用共沉淀法合成了 3种复合氧化物催化剂A ,B ,C ,并考察了它们的催化活性和选择性 .结果表明 ,在一定条件下 ,催化剂B的转化率和选择性分别在 90 %和 97%以上 ,在 40h的催化性能稳定性测试中 ,其转化率和选择性均能保持稳定 ,具有良好的催化性能更多还原

【Abstract】 The conversion and selectivity of H 2S to sulfur of several singular oxides are observed.Three multi-metallic oxide catalysts are prepared by a co-precipitation method and are used for the reaction of selective oxidation of H 2S to sulfur.The results show that high conversion of H 2S (>90%) and high selectivity to sulfur (>97%) on the catalyst B can be achieved under the testing conditions,and that the stability of catalyst B is very good during the testing time of 40 h.更多还原