Kinetics of COD degradation in landfill leachate treatment using moving-bed bioreactor

陈胜 孙德智 陈桂霞 Chung Jongshik

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Kinetics of COD degradation in landfill leachate treatment using moving-bed bioreactor

更新时间：2025-12-10

- Kinetics of COD degradation in landfill leachate treatment using moving-bed bioreactor
- CIESC Journal Issue 3, (2007)
- 作者机构：
  
  1. 哈尔滨工业大学市政环境工程学院
  2. 浦项工科大学化学工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 March 2007，
  
  Published：05 March 2007
- 稿件说明：
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陈胜孙德智陈桂霞 Chung Jongshik. Kinetics of COD degradation in landfill leachate treatment using moving-bed bioreactor[J]. CIESC Journal, 2007, (3).
DOI：

陈胜孙德智陈桂霞 Chung Jongshik. Kinetics of COD degradation in landfill leachate treatment using moving-bed bioreactor[J]. CIESC Journal, 2007, (3). DOI：

摘要

采用移动床生物膜反应器间歇处理城市垃圾渗滤液，并建立了其COD降解的动力学模型。试验结果表明，模型能够很好地描述渗滤液COD的好氧降解过程，其中动力学参数K2可用来指示基质的降解速率

Sn可用作渗滤液可生化性和可降解程度的评价指标。在不同底物浓度下模拟出的参数K2和Sn均与底物浓度S0呈线性关系。在不同填料填充比下的拟合结果表明动力学参数K2与生物量浓度无关。两级MBBR串联运行能够有效处理该垃圾渗滤液，当总HRT为4 d，平均COD去除率达89.24％，其出水COD平均为452.10 mg·L-1，与模型得出该进水浓度下含有的惰性COD相近，直接证明了模型对评价该渗滤液可生化性具有较高的可靠性。

Abstract

Batch tests were carried out to investigate the COD degradation of landfill leachate by using a moving-bed bioreactor (MBBR)，and a modified bio-kinetic model was established to describe the biological reaction.The experimental results showed that the model could describe the biodegradation of leachate

and the kinetic parameter K2 could be used as indicator of degradation rate and Sn could be used to estimate the biodegradability of leachate.The simulations under different initial leachate concentrations found that K2 and Sn were linear to the initial leachate concentration S0.The data of different bio-carrier volumes also perfectly conformed to the model and further proved that the kinetic parameters in the model were independent of the biomass.The continuous operation of two MBBR in series could effectively remove the landfill leachate

when the total hydraulic retention time(HRT)was 4 d，the average COD removal efficiency was 89.24% and the effluent COD was about 452.10 mg·L-1

which was similar to the predicted value by the model under the same initial concentration.The performance of two MBBR in series gave a direct proof of the reliability of the model that was used to estimate the biodegradability of leachate.

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