热电厂冲灰水除氟的研究
REMOVING FLUORIDE FROM ASH-FLUSHING WATER OF HEAT AND POWER PLANT
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摘要: 本文采用了多种方法对热电厂冲灰水的除氟进行了研究。结果表明,用石灰调节冲灰水的pH,以铝矾做除氟剂并配以絮凝剂的混凝除氟法效果最佳,氟的去除率达95%以上,冲灰水的氟含量降到1mg/l以下。这种混凝除氟法,简单易行,便于操做,不产生二次污染。Abstract: Methods for removing fluoride from ash-flushing water of heat and power plant were studied. It was found that by use of lime to regulate pH. aluminium sulfate to remove fluoride ion and a suitable flocculant, >95% fluoride removal was obtained and the concentrion of fluoride ion in ash-flushing water could be reduced to<1mg/l. This method is simple and convenient.
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