PRETREATMENT OF MICRO-POLLUTED SOURCE WATER BY SUBMERGED BIO-CONTACTOR REACTOR
- 环境生态－已发表论文 
采用生物接触氧化工艺对厦门湖边水库的微污染的源水进行了预处理中试 ,实验装置采用YDT弹性填料 ,通水操作为连续和半连续。实验结果表明 :生物接触氧化工艺对源水的浊度 ,味嗅和藻类具有明显的去除效果 ,而对低浓度的 NH3 - N及 CODMn的去除作用则不是很明显。根据实验结果 ,我们将这种工艺的去除特性主要归结于其对藻类良好的截留作用。Pretreatment of the micro-polluted water of a reservoir by a pilot-scale submerged biofilm reactor was investigated under the semi-continuous operation condition. The Bio-film shows an high ability to remove algae?taste and turbidity, but not to do for NH 3-N and COD at the concentration level. This finding may be mainly attributed to its high cut of efficiency to algae. We suggest that the hydraulic retention time of micro-polluted water should be selected above 2 hours so as to guarantee the acceptable quality of treated water when designing this bio-film reactor.