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华东师范大学发表最新Science论文
生物世界·2025-08-17 09:30

Core Viewpoint - The article discusses a novel integrated low-temperature upgrading process for PVC and polyolefins, developed by a research team led by Zhang Wei, which converts waste plastics into chlorine-free fuel hydrocarbons and hydrochloric acid (HCl) [3][4]. Group 1: Research Development - The research paper titled "Integrated low-temperature PVC and polyolefin upgrading" was published in the prestigious journal Science on August 14, 2025 [3]. - The new process utilizes a single-stage method under the catalytic action of chloroaluminate ionic liquids to upgrade waste PVC into chlorine-free fuel hydrocarbons and HCl [4]. Group 2: Process Details - The process involves a low-temperature sequential method using isobutane or isopentane for exothermic alkylation and hydrogen transfer, which offsets the endothermic dechlorination and carbon-carbon bond cleavage [4]. - This upgrading process is suitable for handling mixed and contaminated waste streams of PVC and polyolefins found in real-world scenarios [4].