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首页> 外文期刊>Environmental Pollution >Emission characteristic of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) from medical waste incinerators (MWIs) in China in 2016: A comparison between higher emission levels of MWIs and lower emission levels of MWIs
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Emission characteristic of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) from medical waste incinerators (MWIs) in China in 2016: A comparison between higher emission levels of MWIs and lower emission levels of MWIs

机译：2016年中国医疗废物焚化炉（MWI）的多氯二苯并对二恶英和多氯二苯并呋喃（PCDD / Fs）排放特征：高排放水平与低排放水平之间的比较

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摘要

Emission characteristic of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/ Fs) from 12 medical waste incinerators (MWIs) which have a total yearly capacity of 523 440 ton medical waste and accounted for 8.1% of total yearly capacity of 246 MWIs in China were studied. The congeners profile, emissions and toxic equivalent concentrations (TEQ) indicators of PCDD/Fs in stack gas from two groups of MWIs were researched, and the possible formation mechanisms of PCDD/Fs from MWIs were preliminarily discussed. The results of present study were summarized as follows. (1) The total concentrations and TEQ of PCDD/Fs in stack gas from MWIs were 0.516-122.803 ng Nm(-3) and 0.031 3.463 ng I-TEQ Nm(-3), respectively. (2) 1,2,3,4,6,7,8-H7CDF, 08CDD, O8CDF and 1,2,3,4,6,7,8-H7CDD were the indicatory PCDD/Fs of MWI source, which could be used to apportion the sources of PCDD/Fs in environmental medium in China. (3) The emission factors of PCDD/Fs from MWIs ranged from 32.7 to 4900.0 ng I-TEQ ton(-1) with a mean of 1923.6 ng I-TEQ ton(-1). (4) The gas emissions of PCDD/Fs from researched 12 MWIs and all of MWIs in China in 2016 were 37.742 and 465.951 mg I-TEQ year(-1) respectively. (5) 1,2,3,7,8,9-H6CDF and 1,2,3,4,7,8-H6CDF were effective TEQ indicators for the real-time monitoring of the PCDD/Fs emission. (6) The congeners profile and factor composition of PCDD/Fs in stack gas from two groups of MWIs were researched based on positive matrix factorization (PMF) model, and the possible formation mechanisms of PCDD/Fs from MWIs were preliminarily discussed. (C) 2016 Elsevier Ltd. All rights reserved.
机译：12个医疗废物焚化炉（MWI）的多氯二苯并对二恶英和多氯二苯并呋喃（PCDD / Fs）的排放特征，这些垃圾焚化炉的年总容量为523 440吨，占该州246家MWI的年总容量的8.1％对中国进行了研究。研究了两组MWI中烟气中PCDD / Fs的同族物分布，排放和毒性当量浓度（TEQ）指标，并初步探讨了MWI中PCDD / Fs的可能形成机理。本研究结果总结如下。 （1）来自MWI的烟道气中PCDD / Fs的总浓度和TEQ分别为0.516-122.803 ng Nm（-3）和0.031 3.463 ng I-TEQ Nm（-3）。 （2）1,2,3,4,6,7,8-H7CDF，08CDD，O8CDF和1,2,3,4,6,7,8-H7CDD是MWI源的指示性PCDD / Fs，可以用于分摊中国环境介质中PCDD / F的来源。 （3）MWI的PCDD / Fs排放因子范围为32.7至4900.0 ng I-TEQ ton（-1），平均为1923.6 ng I-TEQ ton（-1）。 （4）2016年中国研究的12个MWI和所有MWI的PCDD / Fs气体排放分别为I-TEQ年（-1）37.742和465.951 mg。 （5）1,2,3,7,8,9-H6CDF和1,2,3,4,7,8-H6CDF是有效监测PCDD / Fs排放的TEQ指标。 （6）基于正矩阵分解（PMF）模型研究了两组MWI中烟气中PCDD / Fs的同族物分布和因子组成，并初步探讨了MWI中PCDD / Fs的可能形成机理。 （C）2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Environmental Pollution》 |2017年第2期|437-444|共8页
  • 作者

    Li Jiafu; Lv Zhiwei; Du Lei; Li Xiaonan; Hu Xuepeng; Wang Chong; Niu Zhiguang; Zhang Ying;

  • 作者单位

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Marine Sci & Technol, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China;

    Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China|Tianjin Univ, Sch Marine Sci & Technol, Tianjin 300072, Peoples R China;

    Nankai Univ, Coll Environm Sci & Engn, MOE Key Lab Pollut Proc & Environm Criteria, Tianjin 300350, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    PCDD/Fs; Stack gas; Emissions; TEQ indicators; Medical waste incinerators;

    机译：PCDD / Fs;烟道气;排放量;TEQ指标;医疗废物焚化炉;

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