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Table 3 Effect of initial reactant concentration ratio Fe(II):Cr(VI)

From: Study on the influence mechanism of underground mineral element Fe(II) on Cr(VI) transformation under subsurface and groundwater interaction zones

CaseExperiment conditionsCFe(II) (mg/L)CCr(VI) (mg/L)DO
1Fe(II):Cr(VI) = 1:12020Hyperoxia
22020Anoxic
3Fe(II):Cr(VI) = 2:14520Hyperoxia
44520Anoxic
5Fe(II):Cr(VI) = 3:16420Hyperoxia
66420Anoxic
7Fe(II):Cr(VI) = 4:18620Hyperoxia
88620Anoxic
9Fe(II):Cr(VI) = 5:110620Hyperoxia
1010620Anoxic