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首页> 外文期刊>Journal of industrial and engineering chemistry >Dehydrochlorination characteristics of waste PVC wires by thermal decomposition
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Dehydrochlorination characteristics of waste PVC wires by thermal decomposition

机译：废聚氯乙烯电线热分解的脱氯化氢特性

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摘要

In this work, the dehydrochlorination characteristics of waste PVC wires in ASR have been studied by static quartz tube reactor under various reaction temperatures. The effect of CaO additive has been investigated to eliminate HC1 obtained from thermal decomposition of waste PVC wires. Also to obtain the overall activation energy of dehydrochlorination reaction of waste PVC wires, the dynamic thermogravimetric analysis (TGA) curve and its derivative were analyzed. From this work, it was found that Friedman method gave the activation energies of 89.1-166.8 kj/mol, while Ozawa method gave the activation energies of 94.2-118.6 kj/mol and the activation energy increased as increasing of conversion. The formation of gaseous products significantly was suppressed and the amount of HC1 was obviously reduced by addition of CaO.
机译：在这项工作中，通过静态石英管反应器在各种反应温度下研究了ASR中废PVC电线的脱氯化氢特性。已研究了CaO添加剂的作用，以消除废PVC电线热分解产生的HCl。为了获得废PVC电线脱氯化氢反应的总活化能，分析了动态热重分析（TGA）曲线及其导数。从这项工作中，发现弗里德曼方法给出的活化能为89.1-166.8 kj / mol，而小泽方法给出的活化能为94.2-118.6 kj / mol，并且活化能随着转化率的增加而增加。添加CaO可显着抑制气态产物的形成，并显着减少HCl的含量。

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