COD Removal Model and Its Application in Shallow Soil Infiltration Treatment System

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  • ZHANG ZHENYA
    Graduate School of Life Environmental Sciences, Tsukuba University
  • ZHANG ZHIYIN
    Department of Environmental Science and Engineering, Fudan University
  • LEI ZHONGFANG
    Department of Environmental Science and Engineering, Fudan University
  • SUGIURA NORIO
    Graduate School of Life Environmental Sciences, Tsukuba University

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  • COD除去モデルを用いた浅土壌処理システムにおけるCOD除去のシミュレーション

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Abstract

Soil infiltration treatment (SIT) system commonly exhibited effective chemical oxygen demand (COD) removal, but few researches were focused on COD removal models. In shallow soil infiltration treatment (SSIT) systems, COD removal could be simulated by an integrated COD removal model with the effects of influent COD concentration (S0), water temperature (T) and nondegradable COD portion (Sn) on COD removal being incorporated into Eckenfelder Model. The results showed that the deviations could be within 5 mg l?1 for 95% of the data obtained from simulation and experiment when the integrated COD removal model being applied. This model can be used in the evaluation, analysis, prediction and management of COD removal in SSIT systems within the model application limits.

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