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首页> 外文期刊>ISIJ international >Reaction Behavior During Heating Waste Plastic Materials And Iron Oxide Composites
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Reaction Behavior During Heating Waste Plastic Materials And Iron Oxide Composites

机译:加热废塑料和氧化铁复合材料时的反应行为

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Effective utilization of waste plastic materials is one of key technologies for environmental protection. In this work, we conducted fundamental researches on production techniques of reduced iron and H_2 and CO gases from waste plastic materials (polyethylene and Refuse Derived Fuel) and iron oxide mixtures. The mixtures were heated up at the temperatures of 1 000-1 300℃ in Ar gas stream. Concentrations of generated gases from samples were continuously measured by a quad-pole mass spectrometer.rnConversion ratios into H_2 from waste plastic materials reached 60-70% at 1 300℃ both in thermal decomposition of the waste plastic materials and reduction of the mixture samples. In the reduction of the mixture samples, conversion ratios into CO reached 70-80% at 1 300℃. Final fractional reductions of samples containing RDF at 1 200℃ and 1 300℃ were 100%. When waste plastic materials are used as a reducing agent, plastics which contain large amount of fixed carbon are suitable to obtain a high fractional reduction.
机译:有效利用废旧塑料是环境保护的关键技术之一。在这项工作中,我们对废塑料(聚乙烯和垃圾衍生燃料)和氧化铁混合物中的还原铁,H_2和CO气体的生产技术进行了基础研究。将混合物在Ar气流中加热至1 000-1 300℃。用四极质谱仪连续测量样品中产生的气体浓度。rn在1300°C下,废塑料的热分解和混合样品的还原过程中,废塑料的H_2转化率达到60-70%。在还原混合样品中,在1300℃下转化成CO的转化率达到70-80%。含有RDF的样品在1200℃和1300℃下的最终分数降低为100%。当使用废塑料作为还原剂时,含有大量固定碳的塑料适合于高分数的还原。

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