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81.
焚烧炉及周围环境样品中多氯联苯的监测分析 总被引:3,自引:0,他引:3
对焚烧炉禁烧处理多氯联苯的效果及其周围环境样品中的多氯联苯进行了监测分析,建立了不同基体中PCBs高效毛细管色谱/质谱,气相色谱/电子捕获鉴定器检测的常规方法,燕根据对炉渣、尾气及环境样品的分析结果,认为多氯联苯的焚烧处理达到设计要求。 相似文献
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Nobuhisa Watanabe Saburo Inoue Hisao Ito 《Journal of Material Cycles and Waste Management》2000,2(1):10-15
Antimony volatilization in municipal waste incineration was studied. Two municipal waste samples and antimony(III) oxide (Sb4O6) were heated to 500°C and 700°C in an air stream in a quartz furnace. The volatilization of Sb4O6 occurred more at 700°C that at 500°C. Conversely, antimony volatilization form municipal waste was stronger at 500°C than
at 700°C. This implies that antimony from municipal waste is volatilized as chloride instead of oxide. The chlorine sources
for antimony chlorination, a gas-phase reaction involving hydrochloric acid and a solid-phase reaction of inorganic chlorine,
e.g., CaCl2, were compared. Only the solid-phase reaction could offer enough active chlorine to induce chlorination of antimony oxide.
Received: July 2, 1998 / Accepted: January 28, 1999 相似文献
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Curbing dioxin emissions from municipal solid waste incineration in China: Re-thinking about management policies and practices 总被引:3,自引:0,他引:3
As one of the countries with large amounts of dioxin releases, the control of dioxins is a major challenge for China. Municipal solid waste (MSW) incineration should be considered a high priority source of dioxin emissions because it is playing an increasingly more important role in waste management. MSW incineration in China has much higher emission rates of dioxins than in the developed countries, partially resulting from the gaps in the technologies of incineration and flue gas cleaning. Moreover, the current management policies and practices also contribute significantly to the problem. We recommend lowering dioxin emission standard, strengthening fly ash management, and improving regulation enforcement to reduce dioxin releases into the environment from MSW incineration. We also propose that alternative strategies should be considered on dioxin control and call for an expansion of economic instruments in waste management to reduce waste generation and thus the need for incineration. 相似文献
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Murari Mohon Roy Animesh Dutta Kenny Corscadden Peter Havard Lucas Dickie 《Waste management (New York, N.Y.)》2011,31(11):2228-2235
This paper reviews current biosolids management options, and identifies incineration as a promising technology. Incineration is attractive both for volume reduction and energy recovery. Reported emissions from the incineration of biosolids were compared to various regulations to identify the challenges and future direction of biosolids incineration research. Most of the gaseous and metal emissions were lower than existing regulations, or could be met by existing technologies. This paper also presents the results of an experimental study to investigate the potential use of biosolids for co-incineration with wood pellets in a conventional wood pellet stove. Pilot scale combustion tests revealed that co-incineration of 10% biosolids with 90% premium grade wood pellets resulted in successful combustion without any significant degradation of efficiency and emissions. 相似文献
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Lead and polybrominated flame retardants are the two hazardous materials that can be found in electronic appliances. Particularly, cathode ray tubes (CRT) contain leaded glasses. In a computer monitor, over 98% of the lead is in the CRT. This material is generally not accepted for reuse as a component; only those from televisions can be reused. However, this currently represents only a very small market. Envirocycle (a US company) has developed a process to recycle all glasses contained in CRTs; this process includes cleaning and sorting glass. The product obtained is used for the manufacture of new CRT glass. Some industries have used pulverized glass from CRTs in smelting processes as slagging material instead of sand or slag. In this paper, some environmental issues related to the recycling of computers and television sets, and CRTs from computers are presented and discussed. Different processes used to recycle CRTs are described along with an economic analysis. 相似文献