Mintek
In research, Mintek stands highest in Physical Sciences (#3,943 of 12,888 worldwide) and Engineering (#4,659 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Mechanical Engineering — Mechanical Engineering is 9.5× its share of world research.
- World rank, 2022–2025
- #6,759 of 28,054 · #7,870 all time
- Rank in South Africa
- #33 of 87
- Research works
- 1.5k ▲ 76% vs 2013–17
- Citations
- 24k 16.4 per fractional work
- Top-10% rate
- 13.6% record average 16.5%
- Open access
- 45% world 28%
What is Mintek known for in research?
The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.
| Field | World rank | Where that sits | Top-10% rate | Works | All time |
|---|---|---|---|---|---|
| Physical SciencesDomain | #3,943 of 12,888 | 12.9% | 252 | #4970 | |
| EngineeringField | #4,659 of 6,636 | 10.6% | 114 | #5855 |
Each strip is that field’s whole ranked pool, with the notch where Mintek sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).
What does Mintek specialise in?
Where its research is concentrated relative to its size: Mechanical Engineering takes 9.5× the share of its output that it takes of world research.
- Mechanical EngineeringSubfield · 50.8 works9.5×
Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.
Field profile
Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.
Rings at 0.5×, 1× and 2×. Widest outward: Materials Science, 5.9×. Every wedge is a field page.
- Materials Science 5.9×
- Energy 4.5×
- Chemistry 3.0×
- Engineering 2.6×
- Environmental Science 2.5×
- Chemical Engineering 2.3×
- Earth and Planetary Sciences 1.4×
- Pharmacology, Toxicology and Pharmaceutics 1.1×
- Biochemistry, Genetics and Molecular Biology 0.6×
- Physics and Astronomy 0.5×
- Immunology and Microbiology 0.4×
- Nursing 0.4×
- Agricultural and Biological Sciences 0.3×
- Health Professions 0.3×
- Business, Management and Accounting 0.3×
- Computer Science 0.2×
- Medicine 0.2×
- Dentistry 0.1×
- Arts and Humanities 0.1×
- Social Sciences 0.1×
- Neuroscience 0.1×
- Economics, Econometrics and Finance 0.1×
- Decision Sciences 0.0×
- Mathematics 0.0×
- Psychology 0.0×
Who are the top researchers at Mintek?
Ranked on the composite score, Penny Ellis, Ginger Moore and Richard M. Moutloali lead among researchers whose main affiliation is Mintek.
- 1 Penny Ellis South Africa · #728,984 worldwide 14 citations · 19 works
- 2 Ginger Moore South Africa · #961,106 worldwide 20 citations · 15 works
- 3 Richard M. Moutloali South Africa · #1,472,729 worldwide 60 citations · 19 works
- 4 Quinn G. Reynolds South Africa · #1,544,827 worldwide 8 citations · 17 works
- 5 Lerato Nkosi South Africa · #1,628,480 worldwide 0 citations · 16 works
Which keywords describe research at Mintek?
By fractional works in 2022–2025, weighted toward what it does more of than the world: Mechanical Properties, Nanomaterials, Microstructure, Biomedical Applications, Metal Recovery, Nanocomposites, Environmental Impact and Metallurgy.
- Corrosion Resistance
- Hydrogen Production
- Processing Techniques
- Green Synthesis
- Battery Recycling
- Sustainable Technology
- Aerospace Applications
- Comminution
- Bioleaching
- Lithium-ion Batteries
- Rare Earth Elements
- Water Splitting
- Nanobubbles
- Electrical Properties
- Water Treatment
- Graphene
- Nanoparticles
- Metal Recovery
- Biomedical Applications
- Nanomaterials
- Mechanical Properties
- Microstructure
- Environmental Impact
- Nanocomposites
- Machine Learning
- Metallurgy
- Energy Efficiency
- Flotation
- Microbial Communities
- Microbial Ecology
- Circular Economy
- Toxicity
- Sulfide Minerals
- Mineral Liberation Analysis
- Carbon Nanotubes
- Visible Light
- Hydrometallurgical Processes
- Nanostructures
- Heavy Metals
- Microstructural Evolution
Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.
All 40 words, with their numbers
- Mechanical Properties34▲ 12×23 topics
- Nanomaterials28▲ 9.2×14 topics
- Microstructure27▲ 18×12 topics
- Biomedical Applications22▲ 6.4×19 topics
- Environmental Impact20▲ 4.1×17 topics
- Metal Recovery17▲ 30×3 topics
- Nanocomposites16▲ 6.9×18 topics
- Nanoparticles16▲ 4.3×25 topics
- Machine Learning14▲ 1.51×14 topics
- Graphene14▲ 7.0×9 topics
- Metallurgy14▲ 78×2 topics
- Water Treatment13▲ 37×4 topics
- Energy Efficiency13▲ 4.7×9 topics
- Electrical Properties11▲ 42×3 topics
- Flotation11▲ 130×1 topic
- Nanobubbles11▲ 130×1 topic
- Microbial Communities11▲ 8.8×4 topics
- Water Splitting10▲ 9.3×4 topics
- Microbial Ecology10▲ 19×5 topics
- Rare Earth Elements10▲ 23×3 topics
- Circular Economy9▲ 11×3 topics
- Lithium-ion Batteries9▲ 7.3×4 topics
- Toxicity9▲ 7.1×7 topics
- Bioleaching9▲ 97×1 topic
- Sulfide Minerals9▲ 97×1 topic
- Comminution8▲ 84×1 topic
- Mineral Liberation Analysis8▲ 84×1 topic
- Aerospace Applications8▲ 27×3 topics
- Carbon Nanotubes8▲ 7.7×5 topics
- Sustainable Technology8▲ 23×2 topics
- Visible Light8▲ 11×3 topics
- Battery Recycling8▲ 33×1 topic
- Hydrometallurgical Processes8▲ 33×1 topic
- Green Synthesis7▲ 13×3 topics
- Nanostructures7▲ 6.1×8 topics
- Processing Techniques6▲ 23×2 topics
- Heavy Metals6▲ 8.7×6 topics
- Hydrogen Production6▲ 7.6×4 topics
- Microstructural Evolution6▲ 14×3 topics
- Corrosion Resistance6▲ 30×3 topics
Which research topics does Mintek publish most on?
By volume in 2022–2025: Minerals Flotation and Separation Techniques, Metal Extraction and Bioleaching, Mineral Processing and Grinding and Extraction and Separation Processes.
Area is fractional works; colour is the subfield each topic belongs to.
- 1 Minerals Flotation and Separation Techniques Water Science and Technology 11 works
- 2 Metal Extraction and Bioleaching Biomedical Engineering 9 works
- 3 Mineral Processing and Grinding Mechanical Engineering 8 works
- 4 Extraction and Separation Processes Mechanical Engineering 8 works
- 5 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 5 works
- 6 Metallurgical Processes and Thermodynamics Mechanical Engineering 5 works
- 7 Nanoparticles: synthesis and applications Materials Chemistry 5 works
- 8 Intermetallics and Advanced Alloy Properties Mechanical Engineering 5 works
- 9 Titanium Alloys Microstructure and Properties Materials Chemistry 4 works
- 10 Metal Alloys Wear and Properties Materials Chemistry 4 works
How open and international is its research?
Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.
World: 28% of research is openly available.
World: 19% is written across borders.
How has Mintek's research output changed?
Output in 2018–2022 was 76% higher than in 2013–2017.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Other research institutions in Johannesburg
- University of the Witwatersrand
- University of Johannesburg
- National Health Laboratory Service
- South African Institute for Medical Research
- Chris Hani Baragwanath Hospital
- Eskom (South Africa)
- Johannesburg Hospital
- Lancet Laboratories
Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.