PELINDIAN NIKEL LATERIT LOW-GRADE POMALA MENGGUNAKAN ASAM ORGANIK DAN ASAM INORGANIK PADA KONDISI ATMOSFIR
DOI:
https://doi.org/10.36761/hexagon.v3i2.1642Keywords:
Nickel laterite, Organic acids, Inorganic acids.Abstract
Nickel leaching from Pomala low-grade laterite nickel ore has been carried out using organic and inorganic acids. In this study, the effect of solvent concentration and leaching temperature on the nickel extraction value will be analyzed. The concentration variations used for each type of solvent are 1 mole (M) and 2 moles (M). Meanwhile, the variation of leaching temperature is 60? and 95?. Samples from the leaching process were characterized using XRF. The recovery value of nickel extraction using CH3COOH solvent with various concentrations of 1M and 2M at a leaching temperature of 60? is 0.49% and 0.37%, respectively. The leaching temperature of 95? is 0.34% and 0.23%, respectively. Meanwhile, the recovery value of nickel extraction using H2SO4 solvent at a solution concentration variation of 1M and 2M with a leaching process temperature of 60? is 0.905% and 0.900%, respectively. For a temperature of 95? the nickel extraction value is 0.84% ??and 0.58%. In the treatment of temperature variations of 60? and 95?, nickel recovery using CH3COOH solvent with a concentration of 1M is 0.50% and 0.35%, respectively. At the concentration of 2M is 0.37% and 0.24%, respectively. The type of solvent H2SO4 at a concentration of 1M solution with temperature variations of 60? and 95? obtained nickel with temperatures of 0.905% and 0.840%, respectively. Meanwhile, at the concentration of 2M solution obtained nickel of 0.900% and 0.567%.
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