Photooxidation Contribution Study on the Decomposition of Azo Dyes in Aqueous Solutions by VUV-Based AOPs

Table 1

𝑘 values at different pH in the degradation of three azo dyes by VUV/H₂O₂ process.

pH	Acid Orange 8		Acid Blue 29		Acid Blue 113
	𝑘 (min^−1)	𝑅^2	𝑘 (min^−1)	𝑅^2	𝑘 (min^−1)	𝑅^2
3	0.0474	0.9779	0.0102	0.9993	0.0081	0.9977
5	0.0377	0.9822	0.0090	0.9962	0.0133	0.9978
7	0.0430	0.9907	0.0124	0.9985	0.0175	0.9994
9	0.0331	0.9619	0.0144	0.9986	0.0104	0.9928
11	0.0213	0.9659	0.0097	0.9751	0.0168	0.9883