Sudibyo, Sudibyo and Hermida, Lilis (2019) Nickel-Cobalt Extraction Process from Low-Grade Laterite Ores Using Cyanex 272 and Versatic Acid 10. Prosiding SINTA, 1 (1). pp. 17-22. ISSN ISBN: 2655-2914

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Abstract

Nickel is a metal that does not exist purely in nature but is mixed in lateritic nickel ore. In this research, the separation process of Nickel from laterite ore using hydrometallurgical process (leaching and solvent extraction). The purpose of this research is to know the optimum condition of nickel extraction process and to know the effect of the variables observed in this research, they are the Citric Acid concentration (2, 3 and 4 M), leaching time (1, 2 and 3 days), percent volume Cyanex 272 (15, 20 and 25% v/v), and percent volume Versatic Acid 10 (0, 5 and 10% v/v). In this research, the leaching process is carried out by heating a mixture of Citric Acid and laterite at 100°C while stirring with 500 rpm stirring speed. The leached filtrate was then dissolved in a mixture of organic solvents in the form of Cyanex 272 and Versatic Acid 10. The results of this study obtained the optimum condition of nickel extraction process at 4M Citric Acid concentration, 2 days leaching time, using Cyanex 272 15% v/v and Versatic Acid 10% v/v, which in that condition obtained the percentage of extraction (% E) for nickel amounted to 96.73%.

Item Type: Article
Subjects: T Technology > TP Chemical technology
Divisions: Fakultas Teknik (FT) > Prodi Teknik Kimia
Depositing User: Dr. LILIS HERMIDA
Date Deposited: 14 Nov 2019 10:19
Last Modified: 14 Nov 2019 10:19
URI: http://repository.lppm.unila.ac.id/id/eprint/16305

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