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Fig. 3 | Journal of Biological Engineering

Fig. 3

From: Improved biodegradability of hardly-decomposable wastewaters from petrochemical industry through photo-Fenton method and determination of optimum operational conditions by response surface methodology

Fig. 3

Effect of the variable parameters on degradability of wastewater in the outlet of photo-Fenton process. a Effect of input COD and H2O2 on degradability. b Effect of input COD and Fe2+ on degradability. c Effect of input COD and TDS on degradability. d Effect of Fe2+ and H2O2 on degradability

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Journal of Biological Engineering

ISSN: 1754-1611