Mechanistic Understanding of Efficient Polyethylene Hydrocracking over Two-Dimensional Platinum-Anchored Tungsten Trioxide
Qimin Zhou
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
These authors contributed equally to this work.
Search for more papers by this authorDr. Deliang Wang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
These authors contributed equally to this work.
Search for more papers by this authorCorresponding Author
Prof. Dr. Qingyue Wang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorDr. Kailin He
Key Laboratory of Hunan Province for the Synergetic Control and Resource Reuse of the Multi-Pollutants of Flue Gas, National Sintering and Pelletizing Equipment System Engineering Research Center, Zhongye Changtian International Engineering Co., Ltd., Changsha, 410205, Hunan P. R. China
Search for more papers by this authorProf. Dr. Khak Ho Lim
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorProf. Dr. Xuan Yang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorProf. Dr. Wen-Jun Wang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorProf. Dr. Bo-Geng Li
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorCorresponding Author
Prof. Dr. Pingwei Liu
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorQimin Zhou
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
These authors contributed equally to this work.
Search for more papers by this authorDr. Deliang Wang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
These authors contributed equally to this work.
Search for more papers by this authorCorresponding Author
Prof. Dr. Qingyue Wang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorDr. Kailin He
Key Laboratory of Hunan Province for the Synergetic Control and Resource Reuse of the Multi-Pollutants of Flue Gas, National Sintering and Pelletizing Equipment System Engineering Research Center, Zhongye Changtian International Engineering Co., Ltd., Changsha, 410205, Hunan P. R. China
Search for more papers by this authorProf. Dr. Khak Ho Lim
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorProf. Dr. Xuan Yang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorProf. Dr. Wen-Jun Wang
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorProf. Dr. Bo-Geng Li
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorCorresponding Author
Prof. Dr. Pingwei Liu
State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Rd, Hangzhou, 310027 Zhejiang, P. R. China
Institute of Zhejiang University-Quzhou, 99 Zheda Rd, Quzhou, 324000 Zhejiang, P. R. China
Search for more papers by this authorAbstract
Chemical upcycling of polyethylene (PE) can convert plastic waste into valuable resources. However, engineering a catalyst that allows PE decomposition at low temperatures with high activity remains a significant challenge. Herein, we anchored 0.2 wt.% platinum (Pt) on defective two-dimensional tungsten trioxide (2D WO3) nanosheets and achieved hydrocracking of high-density polyethylene (HDPE) waste at 200–250 °C with a liquid fuel (C5–18) formation rate up to 1456 gproducts ⋅ gmetal species−1 ⋅ h−1. The reaction pathway over the bifunctional 2D Pt/WO3 is elucidated by quasi-operando transmission infrared spectroscopy, where (I) well-dispersed Pt immobilized on 2D WO3 nanosheets trigger the dissociation of hydrogen; (II) adsorption of PE and activation of C−C cleavage on WO3 are through the formation of C=O/C=C intermediates; (III) intermediates are converted to alkane products by the dissociated H. Our study directly illustrates the synergistic role of bifunctional Pt/WO3 catalyst in the hydrocracking of HDPE, paving the way for the development of high-performance catalysts with optimized chemical and morphological properties.
Conflict of interest
The authors declare no conflict of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.
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