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OALib Journal期刊
ISSN: 2333-9721
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模拟城市生活垃圾热处理过程中cd与pb挥发特性研究
, PP. 1019-1024
Keywords: 重金属,固体废弃物,流化床,挥发特性
Abstract:
？以cd与pb为研究对象,在流化床反应器上对模拟城市生活垃圾al2o3热处理过程中重金属的动力学挥发特性进行了研究。分析了氧化还原条件、h2o、hcl、so2及基体al2o3对重金属的挥发特性影响。研究结果表明,cd具有较强的挥发性,尤其是在通入hcl的情况下,而pb的挥发程度则较低,同时氧浓度的增加会降低重金属的挥发。al2o3颗粒中重金属的物理化学吸附以及重金属的扩散效应则同样在一定程度上抵制了重金属的释放,而so2的通入则在一定程度上促进了cd与pb的释放。
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