Question

nickel sulphate manufacturing process with nitric acid

Answer 1

1. A process for converting bulk nickel metal to nickel sulfate comprising the steps of:

1) providing the bulk nickel metal to a system having at least one enclosed reactor;

2) supplying sulfuric acid solution to the system;

3) introducing oxygen into the sulfuric acid solution; and

4) contacting said oxygen and said sulfuric acid solution with the bulk nickel metal in the at least one enclosed reactor to produce nickel sulfate solution, wherein the sulfuric acid solution is maintained within a pH range of about 0.1 to 6.0.