ZHU Dian yu,CHEN Nian hao,ZHU Jin wei,et al.Effect of Carrier Type on Startup and Operating Efficiency of Moving Bed Biofilm Reactor[J].China Water & Wastewater,2018,34(21):1-6.
填料类型对MBBR启动及运行效能的影响
- Title:
- Effect of Carrier Type on Startup and Operating Efficiency of Moving Bed Biofilm Reactor
- 文章编号:
- 1000-4602(2018)21-0001-06
- Keywords:
- MBBR; carrier; wastewater treatment; startup; operating efficiency
- 分类号:
- TU992
- 文献标志码:
- A
- 摘要:
- 为了比较具有不同密度和孔隙率的A、B两种填料在移动床生物膜反应器(MBBR)中处理废水的能力,采用R1、R2两个反应器分别装填两种填料,并对其水质指标、生物膜表观形貌、生理生化特征进行对比研究。结果表明,填充填料A的R1反应器的适应性、抗冲击性以及挂膜启动期出水水质均优于填充填料B的R2反应器;R1生物膜的厚度、粘附力与生物膜更新速度均高于R2,其脱氢酶活性显著高于R2,即孔隙率较高、相对密度更接近于1的填料应用于移动床生物膜反应器的效果更佳。
- Abstract:
- In order to compare the ability of two kinds of bio carriers A and B with different density and porosity to treat wastewater in moving bed biofilm reactors(MBBR), two MBBRs, R1 and R2 filled with carriers A and B respectively, were used to compare their effluent quality indexes, biofilm morphology, physiological and biochemical characteristics. The results showed that the adaptability, impact resistance and the effluent quality during startup phase of reactor R1 were better than those of reactor R2. The thickness, adhesion and renewal rate of R1 biofilm were higher than R2. The activity of dehydrogenase in reactor R1 was also significantly higher than reactor R2. That is to say, a carrier with a higher porosity and the relative density closer to 1 has a better effect when applied to the moving bed biofilm reactor.
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备注/Memo
基金项目:国家科技支撑计划项目(2014BAC08B04)
通信作者:丁丽丽E-mail:dinglili@nju.edu.cn
作者简介:
朱点钰(1995- ),女,江苏靖江人,本科在读,从事移动床生物膜反应器研究。
E-mail:847499653@qq.com
收稿日期:2018-07-11