Our Team

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André de Ruijter M.Sc., P. Eng. Principal Processing Engineer

Based in Vancouver, BC, Canada, André de Ruijter is a metallurgical engineer with over 30 years of experience in research and development, process engineering and plant design, commissioning, and operations management in the gold industry, with experience with base metals and industrial minerals.  André is a Qualified Person for NI 43-101 and JORC technical reporting on mineral processing area and project engineering. André de Ruijter is also experienced in laboratory, pilot plant and plant-scale testing and evaluation of processes. His extensive knowledge of mineral processing includes comminution, flotation, gravity concentration, cyanidation, and cyanide detoxification and regeneration, hydrometallurgy, CIL/CIP, thickening and filtration, zinc ore roasting and electrowinning.