Research Article

Degradation Kinetics of Fe-EDTA in Hydrogen Sulfide Removal Process

Table 3

Fe-EDTA degradation rate ( 𝑅 𝑑 ) with and without additive.

( 𝑄 H 2 S ) × 1 0 3 (mol/h) 𝐶 F e , 0 (mol/m3)AdditiveAdditive concentration (mol/m3) 𝑅 𝑑

1.075.84No additive0 0 . 0 0 5 3 6 ± 0 . 0 0 0 0 1
2.045.85Sodium citrate300 0 . 0 0 2 7 8 ± 0 . 0 0 0 1 2
2.415.70Sodium thiosulfate300 0 . 0 0 3 2 2 ± 0 . 0 0 0 0 4