Prof Leendert (Leon) Lorenzen

Extraordinary Professor

Short Bio

Prof Lorenzen has more than 40 years’ in-depth experience in mineral processing, chemical engineering, electrochemistry, reactive systems, hydrometallurgy, waste treatment and biofuels, particularly with regard to application of these technologies in the process industries and in-depth exposure, through high performance teams, to exploration, economic geology, mineralogy and mining.

PhD in Metallurgical Engineering, Stellenbosch University, South Africa (1993)
MEng (Metallurgical Engineering) cum laude, Stellenbosch University, South Africa (1985)
BEng (Chemical Engineering), Stellenbosch University, South Africa (1982)
Post Graduate Diploma – Executive Development Programme, Stellenbosch University, Business School (1999)
Graduate Company Directors Course, Australian Institute of Company Directors (2015)

Professional experience

Current Position(s)
Executive Consultant and Managing Director – Lorenzen Consultants Pty Ltd
Director and Interim CEO – Mintrex Pty Ltd
Professor Extraordinary in Mineral Processing at Stellenbosch University in South Africa
Associate Executive Consultant to SnowdenOptiro and Stone Three

Visiting Professor in Metallurgical Engineering, Western Australian School of Mines, Curtin University, Perth: January 2013 – 2021
Group General Manager and Executive Consultant – Metallurgy, Innovation and Research, Snowden Group, Perth: December 2009 – 2013
Innovation Project Manager, BHP Billiton Nickel West, Stainless Steel Materials (SSM), Perth: February 2009 – November 2009
Metallurgy Manager, BHP Billiton, Stainless Steel Materials (SSM), Perth Technology Centre: September 2008 to February 2009
Professor, Chairman, Deputy Dean, Acting Dean, Stellenbosch University, Department of Process Engineering: July 1995 – August 2008
Senior Lecturer, Associate Professor, Stellenbosch University, Department of Process Engineering: July 1990 – June 1995
Senior Engineer, Somchem (Pty) Ltd: October 1988 – June 1990
Senior Plant Metallurgist, Plant Production Superintendent, Anglo American Corporation – Freegold (Ops) Ltd, Pres. Brand Gold Mine, J.M.S. Uranium Plant: August 1987 – September 1988
Research Metallurgist, Anglo American Research Laboratories, January 1983 to July 1987

Registered as Professional Chartered Engineer with the Institution of Engineers Australia (CPEng)
Registered on National Engineering register (NER) in Australia
Registered as APEC Engineer in Asia Pacific Region
Qualified Person (CP) with AusIMM and SAIMM
Registered as a Retired Professional Engineer in South Africa (PrEng)
Registered as a Chartered Engineer with the British Engineering Council (CEng)
Registered as a Professional Engineer with the Board of Professional Engineers of Queensland, Australia (RPEQ)

Membership of Professional Organisations/Societies
Fellow of the Australasian Institute of Mining and Metallurgy (FAusIMM)
Fellow of the Institution of Engineers Australia (FIEAust)
Fellow of the Institute of Chemical Engineers (British) (FIChemE)
Fellow of the South African Academy of Engineering (FSAAE)
Fellow of the SA Institute of Mining and Metallurgy (FSAIMM)

Research Interests

Mineral processing

Reactive systems
Waste treatment

Selected Publications

Author and co-author of 77 papers in international peer reviewed journals.
Author and co-author of 3 patents.
Author and co-author of 4 book chapters.
Author and co-author of 84 peer reviewed papers in proceedings of international conferences.
Editor of Conference Proceedings (IMPC, 2003, World Gold 2005, World Gold 2013 and World Gold 2018).
Guest Editor of Mineral Processing and Extractive Metallurgy (Transactions of the AusIMM) , Volume 129, Number 1, 2020, Taylor and Francis (ISSN 0371-9553)
Author and co-author of more than 130 research reports.
Delivered more than 250 papers at national and international conferences.
Delivered more than 40 workshops to industry.
Study leader or co-study leader of 53 master’s students and 20 PhD students who completed their studies.
Supervisor for 11 Post-doctoral and other researchers.
SCOPTUS h-Index for research of 28 (2020)