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Purification of phosphate-contained wastewater in wastewater treatment plant by modified fly ash
Author(s): 
Pages: 17-20
Year: Issue:  4
Journal: Chemical Engineering

Keyword:  粉煤灰改性磷酸盐废水处理一沉池;
Abstract: 采用改性粉煤灰对污水处理厂一沉池含磷废水进行净化,考察了pH值、吸附剂用量,反应时间和反应温度对净化过程的影响.通过实验发现改性粉煤灰净化含磷废水过程中适宜的pH值为7.0;磷的净化率随着粉煤灰加入量的增加而逐渐增加,对于质量浓度为3.55 mg/L的一沉池含磷废水,当粉煤灰的投加量为0.1×10-2 g/mL时,磷的吸附效率可达98.78%,净化后水中含磷质量浓度为0.043 mg/L;改性粉煤...
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