A silica gel supported cobalt（lI） Schiff base complex was synthesized and used for the oxidation of alkyl aromatics using molecular oxygen as an oxidant under atmosphere pressure. The catalyst shows a high conversio...A silica gel supported cobalt（lI） Schiff base complex was synthesized and used for the oxidation of alkyl aromatics using molecular oxygen as an oxidant under atmosphere pressure. The catalyst shows a high conversion of alkyl aromatics and selectivity to benzylic ketones, and could be reused at least 5 times without significant loss of catalytic activity.展开更多
以芳烃抽余油为加氢原料,高效镍基均相络合催化剂为活性中心,在100 m L固定床加氢装置上进行加氢脱芳反应,考察了工艺条件对镍基均相络合催化剂催化抽余油加氢性能的影响,研究了剂油分离及分离后催化剂的性能。实验结果表明,在反应压力1...以芳烃抽余油为加氢原料,高效镍基均相络合催化剂为活性中心,在100 m L固定床加氢装置上进行加氢脱芳反应,考察了工艺条件对镍基均相络合催化剂催化抽余油加氢性能的影响,研究了剂油分离及分离后催化剂的性能。实验结果表明,在反应压力1.7 MPa、温度130~150℃、氢油体积比150~160、剂油质量比0.03~0.04反应条件下催化剂具有最佳的加氢脱芳性能,加氢产品通过产品分离塔将产品与催化剂分离,加氢后抽余油中苯的含量从30 g/kg降低至7.8 mg/kg,烯烃碘值(100 g油)降低至小于4.0 mg,分离后催化剂的活性未见下降。展开更多
基金the financial support from the National Natural Science Foundation of China–Academy of Engineering Physics(No.10976014)Natural Science Foundation of Jiangsu Province(No.BK2011697)
文摘A silica gel supported cobalt（lI） Schiff base complex was synthesized and used for the oxidation of alkyl aromatics using molecular oxygen as an oxidant under atmosphere pressure. The catalyst shows a high conversion of alkyl aromatics and selectivity to benzylic ketones, and could be reused at least 5 times without significant loss of catalytic activity.
