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California Nickel Corporation Patents |
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Assignee: California Nickel Corporation
Address: Crescent City, CA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4548794 |
Method of recovering nickel from laterite ores |
October 22, 1985 |
| According to the present invention, processes are provided for recovery of nickel, cobalt and like metal values from laterite ores wherein the ores are separated into high and low magnesium containing fractions, the low magnesium fraction is leached with sulfuric acid at elevated tempera |
| 4541994 |
Method of liberating nickel- and cobalt-enriched fines from laterite |
September 17, 1985 |
| According to the present invention, Ni- and Co-rich, low Mg fines may be advantageously separated from the coarse fractions of lateritic ores by atmospheric or low pressure leaching. In particular, the process of the present invention comprises contacting a lateritic ore or ore fraction |
| 4541868 |
Recovery of nickel and cobalt by controlled sulfuric acid leaching |
September 17, 1985 |
| According to the present invention, improved dissolution of nickel and cobalt and thus improved recovery of those desired metal values is achieved by modifying the ore recovery processes wherein sulfuric acid leaching at elevated temperatures is used to dissolve the nickel and cobalt |
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