担体类型对钴基催化材料的CO加氢性能与活化能的影响  

Effects of support type to the CO hydrogenation performance and activation energy of cobalt-based catalytic materials

作　　者：邢宇[1] 刘振新[1] 薛莹莹[1] 吴德鹏[1] 方少明[1] 

机构地区：[1]郑州轻工业学院材料与化学工程学院,河南省表界面科学重点实验室,郑州450002

出　　处：《功能材料》2016年第5期73-77,共5页Journal of Functional Materials

基　　金：国家自然科学基金资助项目(NSFC No.U1204202,21571161);河南省科技计划资助项目(124300510041)

摘　　要：在450~550℃的还原温度下,Co/ZnO催化材料存在2种结晶态钴物种。在空速为1 500mL/g催化剂·小时、总压为2.0 MPa、H_2∶CO比为2∶1的反应条件下,对比了负载在路易斯碱性担体（ZnO）和路易斯酸性担体（γ-Al_2O_3）上的钴基催化材料的费托合成催化性能,发现不同酸碱类型的担体对钴基催化材料的CO加氢活性、产物选择性以及表观活化能均有显著的影响。Under the reduction temperature of 450-550 ℃ , two types of crystalline cobalt species coexist withinCo/ZnO catalytic material. There are many literature about the reactions of cobalt-based catalytic materials inFischer-Tropsch synthesis （FTS）. Comparison of the F-T catalytic performance of cobalt materials loaded overa Lewis basic support （ZnO） as well as a Lewis acidic support （γ-Al2O3） were conducted with a space velocity（SV） of 1 500 mL/g cat · h, a total pressure of 2.0 MPa and a H2 to CO ratio of 2 ： 1. It was found that sup-ports with different acidic or basic properties may significantly affect the CO hydrogenation activity, product se-lectivities and apparent activation energy of cobalt-based catalytic materials.

关 键 词：钴 催化材料 复合材料 担体 CO加氢 

分 类 号：TQ426.64[化学工程]