摘要
好氧颗粒污泥是目前水污染处理领域研究的一个热点.该文利用自制的SBR反应器培养好氧颗粒污泥,对好氧污泥颗粒化的过程及其性能进行研究和表征.用粗盐改变废水的表面张力,用活性炭改变废水的固含率,在人工模拟废水和餐饮废水体系中比较好氧颗粒污泥和絮状污泥对废水COD的去除率.实验结果表明:成熟好氧颗粒污泥性能良好,沉降速度快,对污染物的去除能力较强,其各项理化指标均优于普通活性污泥.在相同的实验条件下,好氧颗粒污泥COD去除率高于传统的絮状污泥.
The study of aerobic granular sludge is one of the most popular research areas in the waste water processing.In this paper,self-made SBR reactor was used to cultivate aerobic granular sludge,and the process of aerobic sludge granulation and its performance were studied and characterized.In order to improve the oxygen transfer rate,oxygen consumption rates under different conditions were measured as following： coarse salt was used to change the surface tension of the waste water;activated carbon was used to change the solid holdup of the waste water.Finally,the aerobic granular sludge and the raw sludge removal rate of COD in the waste water were compared in both artificial wastewater system and food wastewater system.The results show that： the performance of the mature aerobic granular sludge is good,the settling rate is quick,the pollutant removal ability is strong,and its physical and chemical indicators are better than the conventional activated sludge.Under the same experimental conditions,4-hour aeration wastewater COD removal rate of aerobic granular sludge is better than conventional flocculent activated sludge.
出处
《广西民族大学学报（自然科学版）》
CAS
2010年第3期80-84,100,共6页
Journal of Guangxi Minzu University ：Natural Science Edition
基金
广西青年科学基金资助项目(桂科青0542019)
广西科学研究与技术开发计划课题(桂科能0992928-13)
