Category : Kitchen Appliances Posted : 20/10/2016 Price : Check with seller Location : Jalan Kilang Barat(Bukit Merah)
crusher is really a manufacturer of crushers and grinding mills in China, supplies all varieties of ore crushers, this kind of as iron ore crusher, copper crusher, chromium crusher, manganese ore stone crusher for sale with very best selling price, etc. Our solutions has exported to quite a few nations this kind of as USA, India, Brazil, Ghana, South Africa, Australia, Gabon, and acquired higher recognition.
A method for processing raw manganese nodules for the selective recovery of nickel, copper, cobalt and zinc values contained therein, by predominantly hydrometallurgical indicates, comprising:
1. suspending the raw nodules, which have been comminuted to particle sizes much less than 10 mm, in water or dilute wash option;
2. charging the suspension and sulfuric acid to a stress vessel to supply an acidified solid-liquid suspension;
3. heating the solid-liquid suspension within the pressure vessel to a temperature concerning about 150 Â°C and 300 Â°C for 0.five to 4 hrs to trigger the nickel, copper, cobalt and zinc to be selectively leached to type a metal rich leach alternative containing these metals and also a residue, using the solid-liquid suspension owning a sulfuric acid information of less than 35 g/l on completion in the leaching;
4. cooling the solid-liquid suspension then filtering the cooled suspension;
5. washing the residue;
6. extracting copper from the filtrate of stage (d) using a copper particular organic solvent extractant to kind an organic phase containing the copper and an aqueous raffinate and separating the organic phase from the aqueous raffinate;
7. recovering the copper through the separated organic solvent extractant;
8. recovering the nickel, cobalt and zinc values from the separated metal wealthy leach alternative.
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