Abstract
Proper treatment of polyvinyl chloride (PVC) waste is challenge as it is not easily degraded and incineration can lead to environmental issue as it will produce toxic chemicals. In this study, a hydrothermal carbonization approach was applied to treat PVC waste. The influence of exogenous additives on dechlorination efficiency of PVC were evaluated. The results showed that, with exogenous additive, substitution, elimination, dehydration and aromatization reaction were enhanced during hydrothermal carbonization. The maximum dechlorination efficiency of 97.50% was achieved with the mass ratio of 1.4% between rice straw and PVC resin at hydrothermal carbonization temperature 240℃ for 120min. The calorific value of hydrothermal charcoal was relatively higher (39.57MJ/kg ± 0.40MJ/kg), indicating a good combustion process. This study presented a novel and sustainable approach, which could convert PVC-waste as a form of solid fuel.
Translated title of the contribution | Impact of exogenous additives on hydrothermal dechlorination performance of polyvinyl chloride |
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Original language | Chinese (Traditional) |
Pages (from-to) | 2706-2712 |
Number of pages | 7 |
Journal | Huagong Jinzhan/Chemical Industry and Engineering Progress |
Volume | 41 |
Issue number | 5 |
DOIs | |
Publication status | Published - 1 May 2022 |
Externally published | Yes |