Research Article

Modeling and Multiresponse Optimization for Anaerobic Codigestion of Oil Refinery Wastewater and Chicken Manure by Using Artificial Neural Network and the Taguchi Method

Figure 1

(a) Cumulative biogas and biomethane production and CODS stabilization rates, (b) daily biogas production yields, and (c) pH variation trends for different experimental runs.
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(b)
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