Biogenic sulfides for sequestration of Cr (VI), COD and sulfate from synthetic wastewater

Peer review under responsibility of National Water Research Center.

Figures & data

Fig. 1 Effect of pH on reduction of various parameters at constant metal dose 50 mg/L, temperature 37 °C and time 7 days.

Fig. 2 Effect of incubation temperature on reduction of various parameters at optimized pH 7, constant metal dose 50 mg/L and incubation time 7 days.

Fig. 3 Effect of initial metal dose on reduction of various parameters at optimized pH 7 and temperature 37 °C and incubation time 7 days.

Fig. 4 Effect of hydraulic retention time on various parameters pH (secondary X axis), removal of COD, sulfate and Cr (VI) by SRB consortium at pH 7, metal dose 50 mg/L and temperature 37 °C.