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Municipal Solid Waste And Persistent Organic Pollutants Treatment Systems

机译:市政固体废物和持久性有机污染物处理系统

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Dioxins and polychlorinated biphenyls (PCBsj are typical persistent organic pollutants, which affect public health by accumulating and concentrating in human bodies. The Japanese government has enforced laws concerning special measures against these substances.rnKOBELCO ECO-SOLUTIONS' technologies include fluidized-bed gasification plus swirl-flow melting, and plasma ash melting to decompose dioxins in municipal solid waste. The fluidized-bed gasification and swirl-flow melting system can gasify solid waste and melt fly ash in one process, reducing dioxin content to less than 1 μg-TEQ/t-refuse. The plasma ash melting system melts ash discharged from incinerators.rnPCBs are dechlorinated by a sodium dispersion (SP) method. PCB-contaminated sludge and sediments can be treated by reductive heating and an SP (RH-SP) method. PCB-contaminated wastes are decomposed by a plasma melting system,. All these systems have displayed excellent results in pilot-scale experiments and have been authorized as approriate technologies to manage these pollutants.
机译:二恶英和多氯联苯(PCBsj)是典型的持久性有机污染物,会通过在人体中积累和浓缩而影响公共健康。日本政府已针对这些物质实施了特殊措施的法律。rnKOBELCOECO-SOLUTIONS的技术包括流化床气化和旋流流熔法和等离子灰分熔融法分解城市固体废物中的二恶英;流化床气化和旋流熔解系统可以在一个过程中将固体废物气化并熔化飞灰,从而将二恶英含量降至1μg-TEQ/以下等离子体灰熔化系统将焚烧炉排出的灰熔化,rnPCB通过钠分散(SP)方法脱氯,PCB污染的污泥和沉积物可以通过还原加热和SP(RH-SP)方法进行处理。等离子体熔化系统分解了被污染的废物,所有这些系统在中试规模的实验中均显示了出色的结果,并获得了作为控制这些污染物的合适技术而被广泛采用。

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    《Kobelco technology review》 |2007年第27期|63-67|共5页
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