Leon (Leendert) Lorenzen Email & Phone Number

Churchlands, Wa, Au

Perth, Western Australia, Australia

Principal Consultant for Maca Interquip Mintrex

Perth, Australia

My work focusses on providing worldwide expert advise to industry, financial institutions, consulting businesses, research organisations, universities on various aspects of mining and processing namely: mineralogy, geometallurgy, metallurgy, optimisation, de-bottlenecking, throughput and recovery predictions, technical due diligence studies, technical and process plant audits (high technical reviews), NI43-101 compliant technical reports, competent person’s reports and independent engineering reviews.

As Extraordinary Professor I am still responsible for providing study leadership to PhD and MScEng students under my supervision or co-supervision. I also need to help with visiting lectures when requested.

Leon’s main tasks were research management, interantional collaboration, undergraduate teaching and research. During this time he lectured the following subjects for undergraduate students: Thermodynamics, Reactor Kinetics, Final Year Project, Final Year Plant Design, Hydrometallurgy, Project Management, Technology Management, Innovation and Environmental Engineering. He also acted as supervisor for master’s and doctoral students during that time and the funding of the projects (theirs and other consultation projects) were all industry funded projects. Most of the research projects that were supervised at the University of Stellenbosch (in the department and centre) were sponsored by, and conducted in collaboration with, mining, chemical, wine, spirits and juice companies. Research grants were also received on a competitive basis from state funded agencies. The main areas of focus in which research and consultancy work ( in the gold, uranium, base metals, platinum group metals, diamonds, wine industry, petrochemical and chemical industries) were conducted are listed below: Hydrometallurgy, Mineral Processing Impinging Stream/Jet Reactors, Membranes, Waste Management/Environmental Engineering, Renewable Energy.

Perth, Western Australia, Australia

Director and Manager of Studies and Advisory

Subiaco, Perth, Wa

In addition to the metallurgical processing design expert work, my work also focuses on mineralogy, throughput and recovery predictions, technical due diligence studies, technical and process plant audits (high technical reviews), NI43-101 compliant technical reports, competent person’s reports and independent engineering reviews for clients worldwide on a casual basis

Perth, Australia

Management of all projects and studies conducted within Mintrex and member of the executive team. Responsible for the project teams managing design projects and studies within Mintrex.Technically responsible for the development of the process engineering capability of the company covering due diligence work, direct consultancy services for Greenfields projects and Brownfields projects, consultant and expert to operating mines.

Perth, Australia

Leon started with Snowden in Perth as an executive consultant doing metallurgy consulting at the executive level, and particularly in the space between geology and pure metallurgy/mineral processing (geometallurgy). His work mostly focuses on mineralogy, throughput and recovery predictions, technical due diligence studies, technical and process plant audits (high technical reviews), NI43-101 compliant technical reports, competent person’s reports and independent engineering reviews for clients worldwide. Leon is also the Chariman of the Innovation Board of Snowden who manage innovation and research within the company. Leon was recently appointed as Group General Manager reponsible for metallurgy within the Snowden Group

Leon joined BHP Billiton Global Technology in September 2008 first as Manager Nickel Technology but was appointed within two months as Metallurgy Manager and Hydrometallurgy Manager at Stainless Steel Materials Perth Technology Centre due to the closure of Global Technology by BHP Billiton. Main areas of responsibilities were to establish a research facility of interest to SSM, identify and collaborate with other world class research facilities in areas or interest to SSM and put agreements into place to collaborate on areas of mutual interest as well as to develop a project management system and procedure at PTC using a matrix research operational structure. His duties included the management of research in hydrometallurgy, pyrometallurgy and mineral processing of interest to SSM and to help SSM assets with problem solving on their sites by conducting and facilitating research on various problems. He was transferred to BHP Billiton Nickel West, Business Development and Projects Division in February 2009 after the closure of PTC. His main duties were the management of the Ore Characterisation (Metallurgy and Mineralogy) side of future expansion projects as well as new mining projects for Nickel West. He needed to develop metallurgical tools and algorithms to be used in mining models using drill core data, reserve model data as well as extraction and process data obtained from testwork programme.

Phd, Chemical And Metallurgical Engineering

BEng (Chemical) Stellenbosch University, South Africa, 1982 MScEng (Metallurgical) Stellenbosch University, South Africa, 1985 PhD.

Graduate Of Aicd, Company Directors Course, Graduate

Grade 12