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复合赤泥在高浓度含磷废水处理中的应用
Authors
丁超峰
孙启耀
+3 more
曲瑛璇
盛彦清
陈建平
Publication date
1 January 2013
Publisher
Abstract
赤泥与石灰粉(CaO和Ca(OH)2)按不同比例混合制成复合赤泥,通过投加实验考察了复合赤泥的除磷效果。结果证明,对于磷酸盐浓度为45 000 mg/L左右(以P计)的酸性工业废水,复合赤泥(赤泥与Ca(OH)2按质量比1∶1混合)投加量为240 g/L,去除率为99.97%;对于10 mg/L左右的含磷废水,赤泥的最佳投加浓度为15 g/L,上清液磷浓度可降至0.30 mg/L,出水低于0.5 mg/L的排放标准。根据以上研究结果,提出了对高浓度酸性磷酸盐废水的处理宜采用复合赤泥再加原状赤泥的二级处理方法
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Last time updated on 24/06/2021