Coprecipitation of arsenate with iron(III) in aqueous sulfate media: effect of time, lime as base and co-ions on arsenic retention.

@article{Jia2008CoprecipitationOA,
  title={Coprecipitation of arsenate with iron(III) in aqueous sulfate media: effect of time, lime as base and co-ions on arsenic retention.},
  author={Yongfeng Jia and George P. Demopoulos},
  journal={Water research},
  year={2008},
  volume={42 3},
  pages={661-8}
}
The removal and immobilization of arsenic from industrial mineral-processing effluents typically involves lime neutralization and coprecipitation of arsenate with ferric iron. Despite the wide practice and environmental importance of this technique, no laboratory study has focused on the roles of lime as base and third ions like Ca2+, Ni2+ and SO(2)4(-) on the kinetics of arsenic retention by the coprecipitates. In this work, coprecipitation was performed at 22 degrees C by fast (10 min… CONTINUE READING

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