Table 4 Kinetics constant values of MB photodegradation using CuO and CuO-OP NP.

From: Eco-friendly fabrication of copper oxide nanoparticles using peel extract of Citrus aurantium for the efficient degradation of methylene blue dye

Order of reaction

Parameters

CuO

CuO-OP

 

Qe (mg/g)

95.37

97.5

PFO

Qcal (mg/g)

98.19

123.1

K1 (min −1)

0.0255

0.033

R2

0.98

0.96

%SSE

0.05

0.16

PSO

Qcal (mg/g)

147.56

141.24

K2 (g mg−1 min−1)

0.00011

0.00014

R2

96.82

91.61

%SSE

0.01

0.04

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