Evaluation of Natural Materials as Exogenous Carbon Sources for Biological Treatment of Low Carbon-to-Nitrogen Wastewater

<div>Leaching of organic matter measured as (a) concentration of COD and (b) mass of COD released per gram of natural material. Red bullet: barley grains, blue bullet: peanut shells, and black bullet: woodchips.</div>

BioMed Research International

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Figure 1

Figure 1: Evaluation of Natural Materials as Exogenous Carbon Sources for Biological Treatment of Low Carbon-to-Nitrogen Wastewater 