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].

导读： 华东师范大学发布多批政府采购意向，其中仪器设备品目74项，预算总额达1.89亿元。 特别提示 微信公众号机制调整，请点击顶部"仪器信息网" → 右上方"…" → 设为 ★ 星标，否则很可能无法看到我们的推送。 近日，华东师范大学发布7 4项仪器设备采购意向，预算总额达1 . 8 9亿元，涉及11 0GHz四通道矢量网络分析仪、蛋白相 互作用分析仪、3T动态磁场监测仪、全光谱分选流式细胞仪、气质高分辨质谱仪等，预计采购时间为2 0 2 5年2~3月。 | 采购 | 需求概况 | 预算 | 采购 | | --- | --- | --- | --- | | 项目 | | 万元 | 时间 | | | 1、频率范围：10MHz至110GHz；2.频率分辨率：1Hz； | | | | 110GHz | | | | | 四 通 道 矢 | 3.最大输出功率：大于等于+1dBm（@110GHz）；4.系 | | 2025 年 | | | 统 动 态 范 围 ： 大 于 等 于 90dB （ @110GHz ） ；5. 扫 描 点 | 449 | | | 量 网 络 分 | 数：1到200001；6.中频带宽：1Hz到 ...