Sahil Kumar

Metallurgist @Process Research Ortech

Mississauga, ON, CA

Optimizing flowsheets by bench, pilot and demo-plant testing to recover valuable metals including zinc, lead, copper, silver, gold, cobalt, nickel, vanadium, titanium, manganese, iron, lithium and PGMs from ores, batteries, electronic wastes and tailings- Designing and performing various extractive metallurgy (hydrometallurgical, pyrometallurgical, mineral processing) unit operations comprising solvent extraction, ion exchange, leaching, solid-liquid separation, electrodialysis, leaching, cementation, precipitation, calcination, acid roasting and crystallization - Operated in pilot plant campaigns to maximize recovery of uranium from ore via pugging-curing, leaching, solvent extraction, impurities precipitation and uranium yellow cake precipitation - Involved in development of sustainable processes to produce battery grade nickel, cobalt, manganese and copper sulfate salts from recycling battery materials (black mass) and intermediate process streams by solvent extraction - Performed testwork to optimize recovery of gold from carbon fine wastes through cyanidation - carbon in leach (CIL) & pulp (CIP), and resin in leach (RIL) & pulp (RIP)- Leaded and optimized lithium process flowsheets on spodumene rocks through process steps involving grinding, flotation, calcination, acid roasting, water leaching, impurities removal, and recovery of lithium carbonate and lithium hydroxide- Project manager of pilot plant campaign to produce high purity alumina (HPA) from anorthosite ore - Set-up and operated catalytic distillation (CD) experiments to study the feasibility of efficient production of performic acid (PFA) for use in waste water treatment. PFA is a third-generation disinfectant that represents green chemistry- Performing solid-liquid separation projects through flocculant selection, thickening/settling, vacuum and pressure filtration - Performing mass/material balance in each process flowsheet

Ryerson University

Bachelor’s Degree, Chemical Engineering Co-op

International School of Kuala Lumpur (ISKL)

High School, International Baccalaureate (IB) Diploma