On the basis of the quality characteristics of flue gas desulfurization waste water,the conventional wastewater treatment techniques and their existing problems are introduced.Four kinds of zero discharge processes are focused on,such as the pretreatment-evaporation-crystallization process,the comprehensive utilization of slag waste heat,the coal yard spraying and the evaporation in high temperature flue duct.The key problems and research directions of each process are elaborated.Moreover,the technological ...
【更新日期】
2016-10-21
【分类号】
X773
【正文快照】
YE Chunsong,LUO Shan,ZHANG Xian,XIA Min,HUANG Jianwei(School of Power and Mechanical Engineering,Wuhan University,Wuhan 430072,China)石灰石-石膏湿法烟气脱硫工艺由于脱硫效率高、脱硫剂资源丰富、负荷范围广等优点,在我国燃煤发电厂应用最广泛,约占我国工业脱硫总?
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