Dyes Degradation with Fe-Doped Titanium Nanotube Photocatalysts Prepared from Spend Steel Slag

Table 1

Pseudo-first-order kinetic parameters of different dyes.

Catalyst	𝑅^2	𝑘1 (min^−1)	𝑡1/2 (min)
MB	0.993	0.014	49.5
RBK5	0.937	0.005	21.0
DB22	0.947	0.002	18.3