The following list illustrates the services Arithmetek offers.

• Generation of preliminary capital and operating cost estimates early in the process development cycle
• Simulation of conventional and novel circuits
• Base metal refinery (operating plant, Zimbabwe)
• Nickel laterite project (feasibility study, pilot work)
• Nickel laterite project (feasibility study, Kazakhstan)
• Uranium circuit (design for operating plant, Namibia)
• Extraction of lithium from brines, hard rock and clays
• Novel chloride-based processing technology for laterites and sulphides.
• Simulation of pilot- and full-scale distillation circuits.
• Pressure acid leaching of laterite, downstream recovery of nickel and cobalt.
• Oxidative leaching of sulphide minerals (pressure and atmospheric).
• Pressure leaching of nickel/copper/cobalt/iron concentrates, mattes, alloys.
• Oxidation/precipitation of iron from process solutions.
• Ion exchange/electrowinning for recovery of nickel from bioleach liquors.
• Solvent extraction/electrowinning for recovery of nickel from bioleach liquors.
• Sulphate removal from acid mine drainage.
• Hydrometallurgical processing of magnesium ores and wastes.
• Hydrometallurgical recovery of gallium metal from wastes.
• Pressure leaching of refractory gold-bearing materials.
• Recovery of gold and elemental sulphur from gold-bearing pyrite.
• Pressure leaching of sphalerite.
• Efficiency improvements in full-scale zinc electrolysis.
• Removal of manganese from zinc electrolyte.
• Electrowinning of nickel, cobalt, chromium, zinc and copper.
• Electrorefining of copper.
• Production of chromium metal and chromic acid from waste ferrochrome.
• Production of beryllium metal from beryl.
• Processing of PGM-bearing matte/alloy.
• Production of cobalt metal from converter slag.
• Recovery of copper and cobalt from manganese-bearing ores and tailings.
• Base metal and sulphur balancing by reconciliation of operating plant data.