RECUPERACION DE NIQUEL Y COBALTO DE SOLUCIONES DE SAL CORRESPONDIENTE .

摘要

1361354 Precipitating nickel and/or cobalt from solution REPUBLIC STEEL CORP 27 Nov 1972 [1 Dec 1971] 54779/72 Heading C7D Solutions containing nickel and/or cobalt are treated with iron powder while at a temperature of 60‹ C to less than 100‹ C and under a pressure of at least 35 p.s.i.g. to cement the required metal from the solution. The over pressure may be provided by hydrogen and 0À01-15% of Cu may be included with the Fe powder (e.g. obtained by immersing the powder in a copper salt solution).