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城市固体废弃物中氯含量的分析方法比较

  • 胡双清 ,
  • 王亚琢 ,
  • 顾菁 ,
  • 袁浩然 ,
  • 陈颖 ,
  • 陈勇
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  • 1. 广东工业大学,广州 511400;
    2. 中国科学院广州能源研究所,广州 510640;
    3. 中国科学院可再生能源重点实验室,广州 510640;
    4. 广东省新能源和可再生能源研究开发与应用重点实验室,广州 510640
胡双清(1992-),男,硕士研究生,主要从事可燃固废热化学转化研究。顾 菁(1982-),女,博士,副研究员,主要从事可燃固废研究。

收稿日期: 2018-08-21

  修回日期: 2018-11-22

  网络出版日期: 2018-12-24

基金资助

国家青年科学基金项目(51606202); 国家青年科学基金项目(51606200); 广东省省级科技计划项目(2017A010104008,2017B040404011,2017B040404009)

Comparison and Improvement of Measurement Method of Chlorine Content of Municipal Solid Waste

  • HU Shuang-qing ,
  • WANG Ya-zhuo ,
  • GU Jing ,
  • YUAN Hao-ran ,
  • CHEN Ying ,
  • CHEN Yong
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  • 1. Guangdong University of Technology, Guangzhou 511400, China;
    2. Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;
    3. CAS Key Laboratory of Renewable Energy, Guangzhou 510640, China;
    4. Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, China

Received date: 2018-08-21

  Revised date: 2018-11-22

  Online published: 2018-12-24

摘要

低品位固体燃料如固体废弃物和生物质等通常含有氯元素(Cl)。在热化学过程中,燃料中的Cl会对颗粒物的排放和设备的运行造成一定的影响,并造成设备的腐蚀,因此有必要准确地量化燃料中的Cl含量。本文利用已有的Cl测定方法如燃烧法(氧弹燃烧法、艾士卡法)、水萃取法和XRF法对纯NaCl、PVC和固体废弃物模拟组分和厨余沼渣中的Cl含量进行检测和比较,提出一套能准确定量出含多种氯化物的城市固体废弃物中Cl含量的方法。结果表明,单一采用燃烧法、水萃取法和X射线荧光(XRF)法均无法准确量化城市固体废弃物中Cl的含量,而采用水萃取联合艾士卡法可以较准确地检测出城市固体废弃物中的Cl含量。

本文引用格式

胡双清 , 王亚琢 , 顾菁 , 袁浩然 , 陈颖 , 陈勇 . 城市固体废弃物中氯含量的分析方法比较[J]. 新能源进展, 2018 , 6(6) : 512 -518 . DOI: 10.3969/j.issn.2095-560X.2018.06.008

Abstract

Low-rank solid fuels such as solid waste and biomass usually contain Chlorine (Cl), which affected the particulate matter emission during thermochemical process of the fuels and the operation of the equipment, and even caused corrosion. It is therefore necessary to accurately quantify the Cl content in the fuels. In this paper, the Cl content of pure NaCl, PVC and the simulated components of solid waste and the fermentation residue from food waste were analyzed and compared by using the existing Cl-detecting methods such as combustion (oxygen bomb combustion and Eschka method), water extraction and X-ray fluorescence (XRF) method, and a set of methods suitable for accurately quantifying the Cl content in municipal solid waste was proposed. Results showed that the single-use of combustion, water extraction and XRF cannot accurately quantify the Cl content in municipal solid waste, while the analysis result from water extraction combined with the Eschka method was more accurate.

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