期刊
ACS APPLIED MATERIALS & INTERFACES
卷 13, 期 4, 页码 5460-5468出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.0c21664
关键词
wood; metal organic framework (MOF); cobalt nanoparticles; core-shell structure; long-chain hydrocarbon
资金
- National Natural Science Foundation of China [31800495]
- Natural Science Foundation of Jiangsu Province [BK20181040]
- China Postdoctoral Science Foundation [2019M653654]
3D monolithic reactor, combining macroporous wood and microporous MOF, demonstrates exceptional performance in Fischer-Tropsch synthesis, showcasing the potential for the development of multi-cylinder and high-power catalytic reactors.
3D monolithic reactor has shown great promise for varied heterogeneous catalysis reactions including water treatment, energy generation and storage, and clean fuel production. As a natural porous material, macroporous wood is regarded as an excellent support for inorganic catalyst due to its abundant polar functional groups and channels. On the other hand, a metal organic framework (MOF) has been widely used as heterogeneous catalyst due to its high specific surface area and large amount of microporosities. Combining macroporous wood and a microporous MOF is expected to produce a high-performance 3D reactor and is demonstrated here for Fischer-Tropsch synthesis. The carbonized MOF/wood reactor retains the original cellular structure with over 180 000 channels/cm(2). When being decorated with hexagonal-shaped core-shell copc nanoparticles aggregates derived from Co-MOF, the MOF/wood reactor resembles a multicylinders reactor for Fischer-Tropsch synthesis. Because of the unique combination of macro- and microporous hierarchical structure, the 3D MOF/wood reactor demonstrates exceptional performance under high gas hourly space velocity (81.2% CO conversion and 48.5% C-5, selectivity at 50 L.h(-1).g(cat)(-1) GHSV). This validates that MOF/wood can serve as a multi-cylinders and high-power reactor for catalytic reactions, which is expected to be applicable for environmental and energy applications.
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