Comparative analysis on two kinds of bio-film forming methods and its influential factors

doi:10.11894/1005-829x.2015.35(10).062

Abstract

Abstract:

Two bio-film forming methods of bio-film reactor,including natural bio-film formation,and inoculation bio-film formation,have been comparatively analyzed,using simulated domestic sewage. The influences of HRT and DO on the removal of COD and NH₄⁺-N in the bio-film reactor are implored. The results show that the removing rates of COD and NH₄⁺-N by inoculation bio-film formation and natural bio-film formation under the same working condition are 85.3%,67.8% and 84.6%,66.2%,respectively. Using natural bio-film formation can completely obtain the same effect as that obtained by inoculation bio-film formation. HRT and DO have important influences on the removing rates of COD and NH₄⁺-N in bio-film reactor. When HRT is 6 h and DO 4.0 mg/L,the removing rates of COD and NH₄⁺-N are 90.2% and 85.5%,respectively.

Key words: bio-film reactor, natural bio-film formation, inoculation bio-film formation, domestic sewage, hydraulic retention time(HRT), dissolved oxygen(DO)

摘要：

采用模拟生活废水对比分析了生物膜反应器的2种挂膜方法(自然挂膜法和接种挂膜法),并探究了HRT和DO对生物膜反应器去除COD和NH₄⁺-N的影响.结果表明:同等工况条件下,采用接种挂膜法和自然挂膜法的COD和NH₄⁺-N去除率分别为85.3%、67.8%和84.6%、66.2%,采用自然挂膜法完全可以取得接种挂膜法的效果;HRT和DO对生物膜反应器去除COD和NH₄⁺-N有着重要影响,当HRT为6 h,DO为4.0 mg/L时,COD和NH₄⁺-N去除率分别为90.2%和85.5%.

关键词: 生物膜反应器, 自然挂膜法, 接种挂膜法, 生活污水, 水力停留时间, 溶解氧

CLC Number:

X703

Zou Haiming, Wang Yan, Li Feiyue, Ma Wanzheng. Comparative analysis on two kinds of bio-film forming methods and its influential factors[J]. INDUSTRIAL WATER TREATMENT, 2015, 35(10): 62-65.

邹海明, 王艳, 李飞跃, 马万征. 2种生物膜挂膜方法对比分析及其影响因素研究[J]. 工业水处理, 2015, 35(10): 62-65.

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URL: https://www.iwt.cn/EN/10.11894/1005-829x.2015.35(10).062

https://www.iwt.cn/EN/Y2015/V35/I10/62

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