微波辐射对污泥性质及脱水性能的影响OA北大核心CSCDCSTPCD
Effect of microwave irradiation on sludge characteristic and dewaterability
将微波辐射用于污泥预处理,考察了500、750和900 W的微波作用下,污泥性质（温度,污泥粒径,胞外聚合物和水解程度）和脱水性能（毛细吸水时间和污泥比阻）的变化情况,并探讨了相关的机理。结果表明,适宜的微波条件能够增加污泥粒径,提高污泥的脱水性能。900 W微波辐射60 s后,污泥粒径增加了71.40%,污泥毛细吸水时间和污泥比阻分别减少了42.70%和73.11%。若进一步增加微波接触时间,不仅使能耗增加,同时也会恶化污泥的脱水性能。
The change of sludge characteristic and dewaterability was inspected using microwave irradiation in sludge pretreatment. The microwave powers used were 500, 750 and 900 W, respectively. Sludge tempera- ture, particle size, extracellular polymeric substance content, soluble chemical oxygen demand, capillary suction time, and specific resistance of filtration were measured and the related mechanism of microwave treatment was also discussed. The results indicat…查看全部>>
梁仁礼;雷恒毅;俞强;张兴红;王慧琴;章少伟
开平市污水处理服务中心,开平529300中山大学环境科学与工程学院,广州510275中山大学环境科学与工程学院,广州510275中山大学环境科学与工程学院,广州510275新疆大学资源与环境科学学院,乌鲁木齐830046中山大学环境科学与工程学院,广州510275
资源环境
微波辐射接触时间脱水性能
microwave irradiationcontact timedewaterability
《环境工程学报》 2012 (6)
2087-2092,6
开平市科技计划项目（200720）
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