Research Article

Preparation of a Modified PTFE Fibrous Photo-Fenton Catalyst and Its Optimization towards the Degradation of Organic Dye

Table 2

Leaching of Fe ions from Fe-PAA-g-PTFE with different 𝑄 F e values.

Fe-PAA-g-PTFEFe(III) ions concentration in solution
(mg L−1)
pH = 3pH = 7pH = 9

𝑄 F e = 0 . 4 3 2  mmol L−10.490.370.07
𝑄 F e = 0 . 9 5 5  mmol L−10.720.570.15
𝑄 F e = 1 . 7 4 3  mmol L−10.950.730.22
𝑄 F e = 2 . 1 8 3  mmol L−11.220.940.43
𝑄 F e = 2 . 4 2 1  mmol L−11.531.230.57