Recovery at Northmet Deposit - SGS
Recovery at Northmet Deposit - SGS
Recovery at Northmet Deposit - SGS
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<strong>SGS</strong> MINERALS SERVICES TECHNICAL BULLETIN 2006-06<br />
Table 5. Analysis of the Mixed Hydroxide Product from the Pilot Plant<br />
Sample Moist. % Ni % Co % Cu % Fe % Zn % Al % Mg % Ca % Si % Mn %<br />
1 51.2 36.3 1.92 0.37 0.59 4.84 0.07 1.04 0.02 0.05 0.03<br />
2 41.2 31.5 1.67 0.31 0.51 4.31 0.04 0.62 0.04 0.03 0.02<br />
Residual Nickel Precipit<strong>at</strong>ion with Lime<br />
NiSO 4 + CaO + 3H 2 O = Ni(OH) 2 + CaSO 4.2 H 2 O<br />
Residual Cobalt Precipit<strong>at</strong>ion with Lime<br />
CoSO 4 + CaO + 3H 2 O = Co(OH) 2 + CaSO 4.2 H 2 O<br />
Residual Nickel Precipit<strong>at</strong>ion with Lime<br />
ZnSO 4 + CaO + 3H 2 O = Zn(OH) 2 + CaSO 4.2 H 2 O<br />
31.3 1.67 0.32 0.54 4.27 0.04 0.62 0.04 0.03 0.02<br />
3 56.3 40.6 2.17 0.41 0.68 0.56 0.05 0.76
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