用TG-FTIR研究空气和O2/CO2气氛中PVC催化燃烧脱氯

2ND INTERNATIONAL CONFERENCE ON GREEN ENERGY AND SUSTAINABLE DEVELOPMENT (GESD 2019) Pub Date : 2019-07-15 DOI:10.1063/1.5116478

Li Maodong, Bo Yang, W. Zhai, Limei Chen, Ma Xiaoqian, Yunlong Tian

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引用次数: 2

摘要

HCl是垃圾发电厂的一种危险气体，能对受热表面造成腐蚀。PVC是垃圾电厂中HCl的主要来源。聚氯乙烯(PVC)的燃烧特性和脱氯对垃圾发电厂的防腐工作具有重要的指导作用。本文采用TG-FTIR对聚氯乙烯(PVC)燃烧过程中氯的释放特性进行了定性和定量分析。对不同质量聚氯乙烯的热重法进行了系统研究。研究了不同质量比的CaCO3、CaO、Ca(OH)2和高岭土在空气气氛和O2/ CO2气氛下对HCl的去除率。当PVC质量大于10mg时，失重趋势发生变化。HCl去除率随吸附剂比例的增加而增加，其中Ca(OH)2的去除率最好。氧对吸附剂的HCl去除率影响较大。氧的比例越高，脱氯效率越高。

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A study on dechlorination of PVC catalytic combustion in air and O2/CO2 atmosphere using TG-FTIR

HCl is a dangerous gas product of garbage power plant, which is able to cause corrosion on the heated surface. PVC is the main source of HCl in garbage power plant. The combustion characteristics and dechlorination of polyvinyl chloride (PVC) play an important role in guiding the anti-corrosion work of garbage power plant. In this paper, TG-FTIR was used to make qualitative and quantitative analysis of chlorine release characteristics in the combustion of polyvinyl chloride (PVC). The thermogravimetry of PVC with different mass was systematically studied. The HCl removal efficiency of different mass ratios of CaCO3, CaO, Ca(OH)2 and kaolin under air atmosphere and O2/ CO2 atmosphere was studied. When the mass of PVC was more than 10mg, the weightlessness trend changed. The HCl removal efficiency increased with the proportion of absorbent, and the removal efficiency of Ca(OH)2 was the best. Oxygen had a great influence on the HCl removal efficiency of absorbent. The higher the proportion of oxygen, the higher the dechlorination efficiency.

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2ND INTERNATIONAL CONFERENCE ON GREEN ENERGY AND SUSTAINABLE DEVELOPMENT (GESD 2019)

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