Non-thermal plasma-assisted rapid hydrogenolysis of polystyrene to high yield ethylene.
Non-thermal plasma-assisted rapid hydrogenolysis of polystyrene to high yield ethylene.
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DOI:
10.1038/s41467-022-28563-7
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发表时间:
2022-02-16
影响因子:
16.6
通讯作者:
Peng Z
中科院分区:
文献类型:
--
作者:
Yao L;King J;Wu D;Ma J;Li J;Xie R;Chuang SSC;Miyoshi T;Peng Z
The evergrowing plastic production and the caused concerns of plastic waste accumulation have stimulated the need for waste plastic chemical recycling/valorization. Current methods suffer from harsh reaction conditions and long reaction time. Herein we demonstrate a non-thermal plasma-assisted method for rapid hydrogenolysis of polystyrene (PS) at ambient temperature and atmospheric pressure, generating high yield (>40 wt%) of C1–C3 hydrocarbons and ethylene being the dominant gas product (Selectivity of ethylene, SC2H4 > 70%) within ~10 min. The fast reaction kinetics is attributed to highly active hydrogen plasma, which can effectively break bonds in polymer and initiate hydrogenolysis under mild condition. Efficient hydrogenolysis of post-consumer PS materials using this method is also demonstrated, suggesting a promising approach for fast retrieval of small molecular hydrocarbon modules from plastic materials as well as a good capability to process waste plastics in complicated conditions. Current recycling methods suffer from harsh reaction conditions and long reaction times. Here the authors show a non-thermal plasma-assisted method for rapid hydrogenolysis of polystyrene at ambient temperature and atmospheric pressure, generating high yield (>40 wt%) of C1–C3 hydrocarbons.
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