Abstract
Micro–mesoporous composites were prepared by post-treatment of MCM-49, and applied to degrade low-density polyethylene (LDPE) and polypropylene. It was found that LDPE degradation mainly occurred on the external surface of MCM-49. The highest activity was achieved over the sample with large external surface area and relatively high acid site concentration. The main products of LDPE degradation were liquefied petroleum gas and gasoline range hydrocarbons, and the product selectivity depended on the acid site concentration.
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This work was supported by National Key Project of Fundamental Research (Grant No. 2009CB623501), National Natural Science Foundation of China (Nos. 21006104, 21203190, 21376235).
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Gao, N., Xie, S., Liu, S. et al. Catalytic Degradation of LDPE and PP over MCM-49 Based Micro–Mesoporous Composites. Catal Lett 144, 1296–1304 (2014). https://doi.org/10.1007/s10562-014-1205-9
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DOI: https://doi.org/10.1007/s10562-014-1205-9