净水技术Issue(5)：73-78,6.DOI:10.15890/j.cnki.jsjs.2017.05.014
基于微网分离技术的污水杂质分离工艺优化
Optimization of Sewage Impurity Separation Process Based on Micromesh Separation Technology
摘要
Abstract
Impurity separation process is a novel technology for sewage pretreatment,which may remove small particles (＞0.1 mm) and can displace the traditional fine screen.In order to optimize the design and operation of impurity separator,this study analyzed the removal rates of impurities by using different pore-size meshes and also investigated the influence on the followed biological treatment.Results showed that the impurities removal rate of 150～ 500-meshes could reach up to 90％,while there were hardly any removal efficiencies of 16-mesh and 32-mesh.Additionally,biological analysis showed that the carbon sources remained in the treated sewage could be barely utilized for denitrification by the filtration less than 150-mesh.With the increase of mesh numbers,the denitrification would be affected due to the insufficient carbon sources.It also revealed that the carbon sources remained in the treated sewage could be adequate for phosphorous removal by the filtration of 500-mesh.In summary,150-mesh was suggested for the optimal material for the sewage pretreatment.关键词
微网/杂质分离/城镇污水/污水预处理Key words
micromesh/impurity separation/urban sewage/sewage pretreatment分类
建筑与水利引用本文复制引用
刘简,李汉冲,梅晓洁,吴志超,藏莉莉..基于微网分离技术的污水杂质分离工艺优化[J].净水技术,2017,(5):73-78,6.基金项目
平板膜MBR稳定运行的保障技研发(13231202002) （13231202002）
