Catalytic degradation of PP with an Fe/activated carbon catalyst |
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Authors: | Email author" target="_blank">Yasushi?SekineEmail author Kaoru?Fujimoto |
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Institution: | (1) Department of Applied Chemistry, Graduate School of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo, 169-8555, Japan;(2) Department of Chemical Processes and Environments, University of Kitakyushu, Kitakyushu, Japan |
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Abstract: | We investigated the function of Fe and activated carbon (AC) as a catalyst by comparing Fe/AC with Fe/SiO2 or AC, and also the effect of H2 as a reaction gas on the product distribution in the catalytic degradation of polypropylene. Supported Fe promotes H2 consumption to decompose solid residues, and AC support degrades heavy oil to produce light oil. As a result, using Fe/AC as a catalyst gives the maximum yield of the liquid product. For the reaction conditions, with a high reaction temperature or a long reaction time, the product distribution is more influenced by the thermal degradation than by the catalytic degradation. For the amount of Fe to load, 5wt% is the optimum condition in our reaction system. We demonstrated the mechanism of the degradation of polyolefins with hydrogen-capping catalysts. |
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Keywords: | Catalyst Degradation Polypropylene Activated carbon Hydrogen capping |
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