耐盐复合菌剂生物强化处理高盐高硫废水  

Bioaugmentation for treating high salt and high sulfur wastewater

作　　者：徐军祥[1] 姚秀清[1] 杨翔华[1] 许谦[2] 佟明友[2] 张全[2] 

机构地区：[1]辽宁石油化工大学,辽宁抚顺113001 [2]抚顺石油化工研究院,辽宁抚顺113001

出　　处：《环境污染与防治》2007年第6期467-471,共5页Environmental Pollution & Control

基　　金：中国石化股份公司资助项目(No.205036)

摘　　要：从实验室处理高盐废水的生物反应池中筛选到1株耐盐脱氮硫杆菌XSH7。为提高系统在高盐条件下的处理效果,将该硫杆菌和本实验室保藏的高效硝化菌SW32混合制成复合菌投加到SBR反应池中进行生物强化。比较了强化系统(BS)与非强化系统(NBS)的处理效果,研究了复合菌对系统去除COD、NH3-N和硫代硫酸盐(THS)的影响,并对投菌量与周期作了考察。结果表明,投加复合菌能加快COD降解速度,增强耐负荷冲击能力,提高COD、NH3-N和THS的去除率。10%(质量分数)投菌量的系统24h即可达到稳定出水,COD、NH3-N和THS去除率最高可达到93%、92%、92%,最大耐受负荷分别为1.1280、0.0745、1.0530kg/(m3·d)。A mixture of salt tolerant Thiobacillus denitrificans XSH7 and nitrobacteria SW32 was prepared to supplement the bioreactor in treating high salt and high sulfur wastewater. The effect of the dose and frequency of bioaugmentation on removal of COD, NH3-N and thiosulfate （THS） were investigated. For the SBR （working volume=2.6 L, fill= 100 min, react= 23 h, settle= 30 min, draw= 2 min）, the augmentation accomplished a faster start-up, more resistant to shock loadings, and more effective removal of COD, NH3-N and THS. The 10% augmented SBR attained a stable treatment performance within 24 h after the augmentation; the SBR achieved high removal efficiencies for COD, NH3-N and THS of 93%, 92% and 92% under maximum volumetric loading rates of 1. 128 0, 0. 074 5 and 1. 053 0 kg/（m^3 · d） ,respectively.

关 键 词：生物强化 复合菌剂 脱氮硫杆菌 间歇式活性污泥法 高盐高硫废水 

分 类 号：X703.5[环境科学与工程—环境工程]