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Table 2 Effect of initial pH experiment

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
1pH = 32020Hyperoxia
22020Anoxic
3pH = 42020Hyperoxia
42020Anoxic
5pH = 52020Hyperoxia
62020Anoxic
7pH = 62020Hyperoxia
82020Anoxic
9pH = 72020Hyperoxia
102020Anoxic
11pH = 82020Hyperoxia
122020Anoxic