期刊
ACS APPLIED MATERIALS & INTERFACES
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.2c03850
关键词
3D print; order mesoporous; monolithic catalyst; VOCs; catalytic oxidation
资金
- National Nature Science Foundation of China [51908535, 52070182]
- LICP Cooperation Foundation for Young Scholars [HZJJ21-02]
- DNL Cooperation Foundation, CAS [DNL202004]
- Province Natural Science Foundation of Gansu [20JR10RA053, 20JR10RA046]
- Youth Innovation Promotion Association CAS [2021421]
- K.C. Wong Education Foundation [2021000036]
A novel 3D printed layered ordered mesoporous template is developed to encapsulate active species in a confined way, leading to the formation of a monolithic catalyst. The resulting catalyst exhibits excellent catalytic performance and stability in the combustion of toluene, highlighting its potential in industrial VOCs elimination.
Here, we report a novel 3D printed layered ordered mesoporous template that can encapsulate active Co-MOFs species in a confined way to achieve the goal of monolithic catalyst. The monolithic OM-Co3O4@SiO2-S catalyst can maintain a macroscopic porous layered structure and a microscopic ordered mesoporous structure. This monolithic OM-Co3O4@SiO2-S catalyst has excellent catalytic performance (T-90 = 236 degrees C), water resistance, and thermal stability in the catalytic combustion of toluene. The catalytic performance of the monolithic OM-Co3O4@SiO2-S catalyst is much better than that of many monolithic catalysts reported in the former. Among them, the introduction of binder aluminum phosphate (AP) can effectively enhance the rheological properties of the printing ink, achieve the purpose of ink writing monolithic layered porous material, enrich the acidic point of the monolithic catalyst, and increase the number of reactive oxygen species. This work reveals a novel monolithic catalyst forming strategy that can combine the advantages of ordered mesoporous materials with active species to form macro-layered porous materials and provide ideas and an experimental basis for the elimination of VOCs in industrial applications.
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