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Mintek

Mintek is a South African state-owned science and technology organisation specialising in mineral processing, extractive metallurgy and related technologies. The entity operates as a statutory research organisation under the Department of Science and Innovation, with a mandate to serve the minerals industry through applied research, development and technology transfer. Mintek is headquartered in Randburg, Johannesburg, and maintains pilot-plant facilities and laboratories that support the beneficiation of South Africa's mineral resources. The organisation conducts research across a range of metallurgical processes, including pyrometallurgy, hydrometallurgy, electrometallurgy and mineral processing. Its work spans base metals, precious metals, platinum-group metals, ferrous metals and increasingly critical minerals such as rare earth elements. Mintek provides technical services to mining companies, smelters and refiners, and develops proprietary technologies for licensing. Notable innovations include the Mintek Thermal Magnesium Process and various leaching and recovery techniques. The organisation also offers analytical services, process design, feasibility studies and training. Mintek collaborates with industry, universities and international research bodies to advance mineral technology and support the competitiveness of South Africa's mining sector. It was established in 1934 as the National Institute for Metallurgy and was reconstituted as Mintek in 1989.

Mintek News


Northern Cape copper, South African PGMs make headlines
Northern Cape copper, South African PGMs make headlines
10th July 2026 By: Creamer Media Reporter

Mining Weekly Editor Martin Creamer discusses the growing activity in copper exploration and mining in the Northern Cape; Mintek's plans to add value to the South African platinum group metals... 


Image of rare earths
Phalaborwa Rare Earths Project, South Africa – update
10th July 2026 By: Sheila Barradas

Work is continuing at the project, with the focus being on optimising and simplifying the flowsheet to enhance the plant operability and reduce risk when moving to commercial scale. 


Mintek Physical Separation Head Gertrude Marape
Mintek spells out value of PGM preconcentration plus chrome recovery
9th July 2026 By: Martin Creamer

Successful removal of coarse waste is beneficial in that it reduces power requirements in the milling circuit, lowers water needs, and increases platinum group metal (PGM) feed grades. With... 


Women in mining urge greater dialogue with men, survey finds
Women in mining urge greater dialogue with men, survey finds
9th July 2026

Women-owned business Pinpoint Stewards will be hosting the 5th Annual Women & Leadership in Mining Conference on September 1 to September 2,  2026, as they aim to bring women across various mining... 


Mintek Minerals Processing Division Senior Engineer Dr Sandile Nkwanyana.
Mintek keen to do bottleneck-exposing surveys for platinum metals processors
7th July 2026 By: Martin Creamer

South Africa’s national minerals research organisation Mintek has highlighted the value of conducting bottleneck-exposing comminution circuit surveys at platinum group metals (PGM) processing... 


A generic image of mineralised uranium
Neo Energy Metals advances uranium, gold project rollouts amid corporate restructuring
30th June 2026 By: Lumkile Nkomfe

Aim-listed Neo Energy Metals has made progress across its New Beisa and Henkries uranium and gold projects, in the Free State and the Northern Cape, in South Africa, respectively, for the quarter... 


Mintek supervisor: applied chemical analysis Nehemiah Mukwevho.
Attributes of platinum group metals explicated at Mintek PGM Day
30th June 2026 By: Martin Creamer

Platinum group metals (PGMs) have several properties that make them critical everyday-life minerals, Mintek supervisor applied chemical analysis Nehemiah Mukwevho explicated during his presentation... 


Mintek principal scientist Dr Nthapo Sehlotho.
Mintek outlines how value can be added to South Africa’s PGM mining industry
26th June 2026 By: Martin Creamer

South Africa's national mineral research organisation Mintek on Friday, June 26 spelt out how it can add value to South Africa’s platinum group metals (PGMs) industry. At its corporate head office... 


Pontsho Twala, director of the Wits Mining Institute
Pontsho Twala
26th June 2026 By: Creamer Media Reporter

This week we profile Pontsho Twala, director of the Wits Mining Institute, a multidisciplinary research institute that undertakes research in the mining sector, with a strong focus on technology,... 


Shaft at the Steenkampskraal project
Steenkampskraal monazite mine, South Africa – update
26th June 2026 By: Sheila Barradas

Steenkampskraal Holdings and South Africa’s national mineral research organisation Mintek have announced the successful production of high-purity mixed rare earth products at Mintek’s laboratory... 


Mintek CEO Dr Molefi Motuku; SMM executive chairperson and shareholder Dr Enock Mathebula; and Necsa CEO Loyiso Tyabashe
Steenkampskraal, Mintek achieve breakthrough in rare earth beneficiation
24th June 2026 By: Sabrina Jardim

Steenkampskraal Monazite Mine (SMM) and Mintek, South Africa’s national mineral research organisation, have announced the successful production of high-purity mixed rare earth products at Mintek’s... 


Tangible evidence of mining industry transformation
Tangible evidence of mining industry transformation
19th June 2026

Pinpoint Stewards’ 5th Annual Women and Leadership in Mining Conference, taking place on 1–2 September in Johannesburg, continues to set itself apart as the only mining conference committed to... 


Mineral and Petroleum Resources Minister Gwede Mantashe.
New cadastre processing W Cape mining licence applications, Parliament hears
19th June 2026 By: Martin Creamer

The phased rollout of the new online mining licensing system – the cadastre – is progressing steadily, with Western Cape applications being received and processed online, Parliament was informed on... 


Mintek Calls on PGM Industry to Engage on Future Technologies and Solutions
12th June 2026

With the Platinum Group Metals (PGM) sector facing increasing pressure to improve efficiency, reduce costs and remain globally competitive, Mintek is inviting industry stakeholders to participate... 


Phosphogypsum
Phalaborwa Rare Earths Project, South Africa – update
5th June 2026 By: Sheila Barradas

Phalaborwa has been established as a proven producer of rare-earth elements, with the large-scale pilot plant in Johannesburg running the optimised primary flowsheet and producing a high-grade... 


Mintek mineral processing executive manager Dr Lawrence Bbosa
Forward-looking critical minerals strategy must drive African beneficiation
5th June 2026 By: Lumkile Nkomfe

South Africa’s Critical Minerals and Metals Strategy must become a practical roadmap for beneficiation, industrialisation and regional development, State-owned mineral research organisation Mintek... 


Mineral and Petroleum Resources Minister Gwede Mantashe.
New cadastre processing W Cape mining licence applications, Parliament hears
4th June 2026 By: Martin Creamer

The phased rollout of the new online mining licensing system – the cadastre – is progressing steadily, with Western Cape applications being received and processed online, Parliament was informed on... 


This week: Forward-looking critical minerals strategy must drive African beneficiation and, Investment demand for platinum still extremely strong
Resources Watch
27th May 2026

This week: Forward-looking critical minerals strategy must drive African beneficiation and, Investment demand for platinum still extremely strong 


Mintek mineral processing executive manager Dr Lawrence Bbosa
Forward-looking critical minerals strategy must drive African beneficiation
21st May 2026 By: Lumkile Nkomfe

South Africa’s Critical Minerals and Metals Strategy must become a practical roadmap for beneficiation, industrialisation and regional development, State-owned mineral research organisation Mintek... 


Image of Phalaborwa rare earths
Phalaborwa Rare Earths Project, South Africa – update
15th May 2026 By: Sheila Barradas

Phalaborwa has been established as a proven producer of rare-earth elements. 


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