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Microwave Depolymerization of Various Plastic Wastes—Quarter-Scale Testing

delete2026-04-03
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A
Andrzej Piotrowicz *
J
Janusz Piotr Kolczyński
M
M. Kostrzewa
W
Wojciech Kaczmarek
B
Bogdan Samojeden *
DOI:10.3390/cleantechnol8020044delete
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摘要

摘要

En 中文
微波辅助解聚(MD)技术被应用于处理异质性后消费塑料,在四分之一规模的反应器中进行,以评估产物组成以及原料类型对油品数量和质量的影响。多种废料流,包括:PS、PP、ABS材料、键盘外壳、纺织品塑料、PCBs以及混合电子元件,均以3~6 kg的批次进行处理,使用最高达2 × 1.55 kW的磁控管功率。所有实验均产生冷凝液体组分,其颜色强度与芳烃含量相关。FTIR光谱显示,所有油品均由以脂肪族C-H伸缩振动峰(2956–2850 cm⁻¹)为主导的烃类基质组成。芳环贡献差异显著:PS产生的油品富含芳环平面外C-H振动峰(900–650 cm⁻¹),PP主要生成脂肪族油品,仅含少量芳环特征,而ABS或电子材料则生成混合脂肪族-芳环谱图。纺织品油品还表现出羰基和O-H振动峰,表明存在含氧化合物分解产物。分馏将油品分离为低沸点脂肪族组分(<250 °C)和较重芳环组分(250–350 °C)。这些结果表明,MD技术能够可靠地将多样化塑料废弃物转化为烃类油品,其光谱特性既反映了原料组成,也体现了微波加热固有的热转化路径。
Keyword:
microwave depolymerization
quarter scale experiments
oil fractions
IR analysis
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C
Clean Technologies
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论文数:
586
被引数:
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AGH University of Krakow
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论文数: 9.4K
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eco harpoon recycling
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