RESIN-IN-PULP PROCESS FOR NICKEL AND COBALT RECOVERY FROM TAILINGS PULPS CARON ´S TECHNOLOGY USING IMINODIACETIC RESINS
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Abstract
In the carbonate - ammoniacal technology, the first proven at industrial level for the laterites treatment, the emission takes place to the means of a waste pulp (lines) with contents of metals in the liquid phase that were not recovered during the process, which is send to one dam called cholera, where it is stored for its possible later use. For the level of the studied nickel of 450 mg / L dissolved annually in the liquid phase of the pulp the recoverable quantity is of about 900 t. An iminodyacetic resin was used to study the possible recovery of the first floor nickel levels and cobalt dissolved in the pulps coming from the leaching plant and laundry also processed by the mentioned well-known technology as Technology Caron by means of the process of resin in pulp using 5 stages for the sorption in reverse current system to pulp - resin. For the selection of the appropriate resin the load curves were determined in nickel and cobalt of each one of the resins. For desorption of the metals of the selected loaded resin solutions of sulphuric acid of several concentrations were used at 50 C⁰. The use of solutions with concentration of sulphuric acid 1.5 M was the most appropriate in the desorption process, being reached nickel concentrations in the eluato bigger than 19.0 g / L and the obtaining of the double salt of Ni and ammonium. (NH4)2SO4NiSO46H2.
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How to Cite
Batista López, Y. (2019) “RESIN-IN-PULP PROCESS FOR NICKEL AND COBALT RECOVERY FROM TAILINGS PULPS CARON ´S TECHNOLOGY USING IMINODIACETIC RESINS”, INFOMIN, 5(1), pp. 13–21. Available at: https://infomin.edicionescervantes.com/index.php/i/article/view/31 (Accessed: 1 May 2026).
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