Green process to recover magnesium chloride from residue solution of potassium chloride production plant

@article{Wang2008GreenPT,
  title={Green process to recover magnesium chloride from residue solution of potassium chloride production plant},
  author={Lin Wang and Yunliang He and Yanfei Wang and Ying Kai Bao and Jingkang Wang},
  journal={Frontiers of Chemical Engineering in China},
  year={2008},
  volume={2},
  pages={385-389}
}
The green process to recover magnesium chloride from the residue solution of a potassium chloride production plant, which comes from the leach solution of a potash mine in Laos, is designed and optimized. The residue solution contains magnesium chloride above 25 wt-%, potassiumchloride and sodium chloride together below 5 wt-% and a few other ions such as Br−, SO42− and Ca2+. The recovery process contains two steps: the previous impurity removal operation and the two-stage evaporation-cooling… CONTINUE READING
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