PRESSURE LEACHING OF SİVRİHİSARYUNUSEMRE NICKEL .
Sivrihisar limonitic nickel laterite ore was found to be readily leachable. It was found that % of Ni and % of Co were extracted at the optimized conditions of 235oC, acid/ore ratio in 60 minutes. The real pregnant leach solution produced at the optimized conditions of HPAL was purified in two iron removal stages under the determined optimum conditions. Nearly all of the .