固定化小球藻强化生活污水深度处理性能

Enhanced Advanced Treatment Performance of Domestic Sewage by Immobilized Chlorella

本研究以生活污水为水源构建固定化小球藻处理系统,考察固定化小球藻处理系统对生活污水中NH_(4)^(+)-N和PO_(4)^(3-)的去除效果。运行结果表明:固定化小球藻组的生长速率及对NH_(4)^(+)-N和PO_(4)^(3-)的去除能力均优于悬浮小球藻组。固定化小球藻处理系统出水中NH_(4)^(+)-N和PO_(4)^(3-)浓度分别为1.3±0.1 mg/L和0.17±0.02 mg/L,均能满足地表水四类水标准的要求,系统对NH_(4)^(+)-N和PO_(4)^(3-)的去除率分别为67.3%和81.1%。

This study constructed an immobilized chlorella treatment system using domestic sewage as water source,and investigated its removal effect on nitrogen and phosphorus.The running results showed that the growth rate of immobilized chlorella and the removal ability of nitrogen and phosphorus were better than those of suspended chlorella.The effluent nitrogen and phosphorus concentrations of the immobilized chlorella treatment system are 1.3±0.1 mg/L and 0.17±0.02 mg/L,respectively,which can meet the IV water standards of surface and the removal rates of NH_(4)-N and PO_(4)^(3-) were respectively 67.3% and 81.1%.