摘要
采用SBR工艺分别研究了不同盐度、不同有机负荷驯化下的活性污泥的生物相、污泥的沉降性能、COD去除率和出水浊度,结果表明,SBR工艺处理含盐有机废水有机负荷在0.15 kgCODCr/kg MLSS.d,盐度在25 g/L NaCl下运行,CODCr的去除率达到86%,而在高负荷和高盐度环境下容易诱发污泥膨胀.
The biofaces of activated sludge, sludge setting performance, COD removal rate and turbidity of effluent under the influence of the sludge organic load and salt content are studied in the SBR process.The results show that the COD romval rate is 86% under organic load rate of 0.15 kgCODCr/kgMLSS ·d and salinity of 25g/L, but sludge bulking can be induced by high organic load and high salinity easily in the sa-liferous organic wastewater treatment by SBR process.
基金
安徽省教育厅自然科学基金资助项目(2008kj042b)
安徽省高校青年教师科研基金资助项目(2008jql081)
关键词
含盐废水
活性污泥
污泥膨胀
SBR
saliferous wastewater activated sludge sludge bulking SBR
