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Effect of Crystallization Temperature on Phosphorus Removal of Iron-aluminum Composited Adsorbent
Author(s): 
Pages: 534-538
Year: Issue:  5
Journal: JOURNAL OF BEIJING UNIVERSITY OF TECHNOLOGY

Keyword:  铁铝复合吸附剂晶化温度除磷pH值CO23;
Abstract: 考察了不同晶化温度下制备的铁铝复合吸附剂去除PO3?4.P的性能以及pH值和共存干扰离子CO23对其吸附去除PO34-P性能的影响.结果表明,晶化温度对铁铝复合吸附剂去除PO34-P的性能有显著影响,较低晶化温度下制备的铁铝复合吸附剂去除PO34-P效果明显优于高温制备的吸附剂;晶化温度的升高使晶体本身结构发生变化,导致比表面积降低.是其吸附性能下降的主要原因;较低晶化温度下制备的铁铝复合吸附剂去除PO34-P的性能受pH值影响较小.对水质适应性强;共存离子CO23-对铁铝复合吸附剂去除PO34-P的性能具有强抑制作用.应用中应该尽量避免这种负面干扰作用的存在.
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