Research Article

Mesoporous Carbon from Optimized Date Stone Hydrochar by Catalytic Hydrothermal Carbonization Using Response Surface Methodology: Application to Dyes Adsorption

Figure 2

(a) Normal probability plot of the residual. (b) Predicted versus actual plot. ((c), (d)) Response surface of CRR(%) as a function of temperature and time at Xc = 17.5 mg.
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