Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 10, Issue 32, Pages 10476-10485Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.2c01183
Keywords
Waste plastic; Carbon catalyst; Poly(vinyl chloride); Acetylene hydrochlorination
Categories
Funding
- 2019 Rare Earth and Coal Chemical Industry Key Science and Technology Project of Inner Mongolia Autonomous Region [2019ZD017]
- National Natural Science Foundation of China [21908197, 22108248]
- China Postdoctoral Science Foundation [2020TQ0268, 2021M702892]
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The conversion of waste plastics into high value carbon materials is crucial for sustainable development. In this study, sustainable nanoporous carbon catalysts (NPCs) with high catalytic performance were prepared by using waste poly(vinyl chloride) (PVC) as a carbon source through a solid grinding method with the assistance of melamine. The addition of melamine facilitated the dechloridation of PVC at room temperature and significantly increased the yield of carbon products. NPCs exhibited superior catalytic performance in acetylene hydrochlorination and the generated vinyl chloride (VCM) could be polymerized to produce PVC, achieving material recycling.
Conversion of waste plastics into high value carbon materials is of great importance for sustainable development. Herein, we propose a new approach to prepare sustainable nanoporous carbon catalysts (NPCs) with high catalytic performance for acetylene hydrochlorination by using waste poly(vinyl chloride) (PVC) as carbon source via a solid grinding method with the assistance of melamine. The addition of melamine not only makes the dechloridation of PVC occur easily at room temperature but also greatly improves the yield of carbon products. The nitrogen and defective sites of the NPCs can be easily adjusted by tuning the amount of melamine. Furthermore, NPCs as a carbon catalyst show superior catalytic performance in acetylene hydrochlorination, and the generated vinyl chloride (VCM) can be polymerized to produce PVC, which realizes the recycling of materials.
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