%0 Journal Article %T Removal of Metals by Sulphide Precipitation Using Na2S and HS−-Solution %A Prokkola, Hanna %A Nurmesniemi, Emma-Tuulia %A Lassi, Ulla %J ChemEngineering %V 4 %N 3 %@ 2305-7084 %D 2020-09-04 %I Multidisciplinary Digital Publishing Institute %~ DeepDyve