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首页> 外文期刊>Environmental Science & Technology >Formation and Control of Toxic Polychlorinated Compounds during Incineration of Wastes Containing Polychlorinated Naphthalenes
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Formation and Control of Toxic Polychlorinated Compounds during Incineration of Wastes Containing Polychlorinated Naphthalenes

机译：焚烧含多氯萘的废物中有毒多氯化合物的形成和控制

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摘要

To estimate the potential impact on municipal solid waste (MSW) incinerator toxic equivalent (TEQ) emissions of treating wastes containing polychlorinated naphthalenes (PCNs),pilot-scale thermal treatment experiments were conducted.MSW (run 1) and MSW fortified with synthetic rubber belts containing PCNs (runs 2 and 3) were incinerated.Flue-gas and ash samples were analyzed for polychlorinated dibenzo-p-dioxins (PCDDs),dibenzofurans (PCDFs),coplanar polychlorinated biphenyls (co-PCBs),and PCNs.Final exhaust-gas WHO-TEQ emissions were all less than 0.1 ng/Nm~3.Flue-gas TEQs were mainly from PCDFs (58-74%).When 2,3,7,8-tetrachlorodibenzo-p-dioxin relative potency factors (REPs) of specific PCN congeners from previous reports were used as estimated toxic equivalency factors to compute estimated PCN TEQs and total TEQs along with PCDDs,PCDFs,and co-PCBs,the contributions of PCNs to the total TEQs were small in ash samples and up to 28% in final exhaust gas.The TEQs in primary combustion flue gases increased through the formation of dioxins and PCNs and then decreased via secondary combustion,fabric filtration,and activated carbon adsorption.From this pilot-scale study,the incremental impact of incinerating PCN-containing wastes on annual TEQ emissions in Japan is estimated as 0.27 g of total TEQ.
机译：为了估算含多氯化萘（PCN）的处理废物对城市固体废物（MSW）焚化炉有毒物质（TEQ）排放的潜在影响，进行了中试热处理实验.MSW（试验1）和MSW强化了合成橡胶带焚烧含有PCN（第2和第3次）的烟气，并对烟气和灰分样品中的多氯二苯并对二恶英（PCDDs），二苯并呋喃（PCDF），共面多氯联苯（co-PCBs）和PCN进行分析。气体的WHO-TEQ排放均小于0.1 ng / Nm〜3。烟气的TEQs主要来自PCDF（58-74％）。2,3,7,8-四氯二苯并-对-二恶英相对效价因子（REPs） ）先前报告中的特定PCN同系物被用作估算的毒性当量因子，以计算估算的PCN TEQ和总TEQ以及PCDD，PCDF和共PCB，灰分样品中PCN对总TEQ的贡献很小，最高可达最终废气中占28％。一次燃烧中的TEQs废气通过形成二恶英和PCN的方式增加，然后通过二次燃烧，织物过滤和活性炭吸附而减少。根据该中试规模的研究，在日本，焚烧含PCN废物对年TEQ排放的增量影响估计为总TEQ为0.27克。

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  • 来源
    《Environmental Science & Technology》 |2006年第7期|p.2247-2253|共7页
  • 作者

    SHIN-ICHI SAKAI; TAKASHI YAMAMOTO; YUKIO NOMA; ROBERT GIRAUD;

  • 作者单位

    Environment Preservation Center,Kyoto University,Yoshidahon-machi,Sakyo-ku,606-8501 Kyoto,Japan,National Institute for Environmental Studies (NIES),16-2 Onogawa,Tsukuba,Ibaraki 305-8506,Japan,and DuPont Engineering Technology,Wilmington,Delaware 1989;

    Environment Preservation Center,Kyoto University,Yoshidahon-machi,Sakyo-ku,606-8501 Kyoto,Japan,National Institute for Environmental Studies (NIES),16-2 Onogawa,Tsukuba,Ibaraki 305-8506,Japan,and DuPont Engineering Technology,Wilmington,Delaware 1989;

    Environment Preservation Center,Kyoto University,Yoshidahon-machi,Sakyo-ku,606-8501 Kyoto,Japan,National Institute for Environmental Studies (NIES),16-2 Onogawa,Tsukuba,Ibaraki 305-8506,Japan,and DuPont Engineering Technology,Wilmington,Delaware 1989;

    Environment Preservation Center,Kyoto University,Yoshidahon-machi,Sakyo-ku,606-8501 Kyoto,Japan,National Institute for Environmental Studies (NIES),16-2 Onogawa,Tsukuba,Ibaraki 305-8506,Japan,and DuPont Engineering Technology,Wilmington,Delaware 1989;

  • 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);
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  • 正文语种 eng
  • 中图分类 环境化学;
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