Controlled Nickel Sulfide Precipitation Using Gaseous Hydrogen Sulfide

@inproceedings{Karbanee2008ControlledNS,
  title={Controlled Nickel Sulfide Precipitation Using Gaseous Hydrogen Sulfide},
  author={Nazneen Karbanee and Robert P. van Hille and Alison Lewis},
  year={2008}
}
In the precipitation of metal sulfides from solution, either aqueous or gaseous sources of sulfide can be used. In this work, batch aqueous and gaseous sulfide experiments confirmed that no precipitation of Ni2+ was possible when only the H2S(aq) sulfide species was available for reaction. Gaseous sulfide precipitation of Ni2+ using H2S(g) was carried out in a semibatch bubble reactor. Alkalinity was supplied in the form of NaOH to facilitate formation of bisulfide ions and thus precipitate NiS… CONTINUE READING

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