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新型生物转笼处理高盐榨菜废水运行策略研究
发表时间：2018-06-29 浏览量：1270 下载量：235
| 全部作者： | 李海燕，陈猷鹏，方芳，王建辉 |
| 作者单位： | 重庆大学城市建设与环境工程学院；重庆工商大学国家智能制造服务国际科技合作基地 |
| 摘 要： | 基于生物转盘改进的生物转笼反应器具有生物量大、启动快、抗盐度和污染物冲击负荷能力强等优点，该工艺是处理高盐榨菜废水的优选工艺。研究通过考察不同化学需氧量（chemical oxygen demand，COD）和NH4+-N进水负荷对反应器污染物分布规律及去除效能的影响，探究生物转笼反应器的合理运行条件及优化策略。结果表明，在高盐环境下，进水COD负荷不超过22.69 gCOD/(m2•d)时，转笼的COD去除率可保持在80%左右；进水NH4+-N负荷不超过0.91 gN/(m2•d)时，NH4+-N去除率可保持在94%以上；污染物沿程的分布特征表明该反应器具备一定的推流式反应器特征。因此，在该限定条件下，生物转笼反应器对榨菜废水等高盐、高有机物、高氮废水具有良好的污染物去除效果。本研究可为高盐工业废水处理领域的工程应用提供可行的技术和优化运行策略。 |
| 关 键 词： | 环境工程学；榨菜废水处理；生物转笼；推流式反应器；运行策略 |
| Title： | Research on operation strategy of new rotating biological cage used for high salinity mustard tuber wastewater treatment |
| Author： | LI Haiyan, CHEN Youpeng, FANG Fang, WANG Jianhui |
| Organization： | School of Urban Construction & Environmental Engineering, Chongqing University; National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University |
| Abstract： | Rotating biological cage is improved based on the rotating biological contactor. It has characteristics of high biomass, quick starting velocity, and powerful ability of anti-shock loading of salinity and pollutants, so it is a kind of advanced technology in high salinity mustard tuber wastewater treatment. In order to explore the reasonable operation condition and optimal strategy of rotating biological cage, the effects of chemical oxygen demand (COD) and NH4+-N with different influent loads on removal efficiency and distribution of reactor pollutant were studied. Results showed that the COD removal efficiency turned to be 80% when the COD load was less than 22.69 gCOD/(m2•d) under high salinity environments. When the NH4+-N load was less than 0.91 gN/(m2•d), NH4+-N removal efficiency turned to be more than 94%. The distribution of pollutant along the way showed that the rotating biological cage was similar to a plug flow reactor. Therefore, under the limiting condition, rotating biological cage has a good treatment effect on high strength wastewater with high salinity, high organics and high nitrogen, such as mustard tuber wastewater. This study will provide feasible technology and optimal operation strategy for engineering application of high salinity industrial wastewater treatment. |
| Key words： | environmental engineering; mustard tuber wastewater treatment; rotating biological cage; plug flow reactor; operation strategy |
| 发表期数： | 2018年6月第12期 |
| 引用格式： | 李海燕，陈猷鹏，方芳，等. 新型生物转笼处理高盐榨菜废水运行策略研究[J]. 中国科技论文在线精品论文，2018，11（12）：1207-1216. |
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