层状金属氧化物用于二氧化碳吸附及其催化加氢转化的研究进展  

Research progress of layered metal oxide in adsorption and catalytic hydrogenation of carbon dioxide

作　　者：张倩 温月丽 王斌[2] 杨晨[1] 宋镕鹏 张维中 黄伟[2] ZHANG Qian;WEN Yue-li;WANG Bin;YANG Chen;SONG Rong-peng;ZHANG Wei-zhong;HUANG Wei(College of Environmental Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China;State Key Laboratory of Clean and Efficient Coal Utilization,Taiyuan University of Technology,Taiyuan 030024,Shanxi,China)

机构地区：[1]太原理工大学环境科学与工程学院,山西太原030024 [2]太原理工大学省部共建煤基能源清洁高效利用国家重点实验室,山西太原030024

出　　处：《天然气化工—C1化学与化工》2021年第3期7-14,共8页Natural Gas Chemical Industry

基　　金：国家科技支撑计划项目(2013BAC14B04);国家自然科学基金(21336006);山西省重点研发计划项目(201803D421099,201803D121043);山西省留学基金委资助项目(2017-035)。

摘　　要：对层状金属氧化物(LDO)在CO_(2)吸附及其催化加氢转化方面的应用进行了综述,探讨了其优势和可能存在的问题。分析发现:LDO由于具有发达的孔道结构及表面丰富可调的碱性位点,增强了对CO_(2)的吸附能力,同时其特殊的层状结构可促进活性金属的均匀分散和相互作用,提高了CO_(2)的加氢催化活性;利用其前驱——层状双金属氢氧化物(LDHs)的层板化学组成可调控性、层间阴离子可交换性以及热稳定性,再通过选择制备方法和控制反应条件可得到CO_(2)吸附能力更强、加氢转化活性更高的催化材料。但现有的研究多局限于LDO对CO_(2)的吸附,加氢转化产物也较单一。在今后的工作中可深入对LDO材料的研究,以期将CO_(2)的吸附、活化、加氢转化相结合,从而获得更加丰富的目标产物。In this paper,the application of layered metal oxide(LDO)in CO_(2) adsorption and catalytic hydrogenation was reviewed,and its advantages and possible problems were discussed.It is found that LDO has abundant pore structure and adjustable alkaline sites on the surface,which enhances the adsorption capacity of CO_(2).Meanwhile,its special layered structure can promote the uniform dispersion and interaction of active metals,which improves the catalytic activity of CO_(2) hydrogenation.Based on its precursor layered double hydroxides(LDHs)with adjustable chemical composition,intercalated anion exchangeability and thermal stability,and by selecting preparation methods and controlling reaction conditions,the catalytic materials with stronger CO_(2) adsorption capacity and higher hydrogenation activity can be obtained.However,most of the existing studies are limited to the adsorption of CO_(2) by LDO,and the hydrogenation products are also relatively single.In the future work,LDO materials can be further studied in order to combine the adsorption,activation and hydrogenation of CO_(2) to obtain more abundant target products.

关 键 词：层状金属氧化物 二氧化碳 吸附 加氢 催化 

分 类 号：TQ426[化学工程] O643.3[理学—物理化学]