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Research facility · Johannesburg · South Africa

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.

FieldWorld rankWhere that sitsTop-10% rateWorksAll 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.

  1. Mechanical EngineeringSubfield · 50.8 works9.5×
← less than its size predictsmore →

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.

Agricultural and Biological Sciences: 0.32× its world share, 4 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.62× its world share, 10 worksBiochemistry, Geneti…Immunology and Microbiology: 0.39× its world share, 1 worksImmunology and Micro…Neuroscience: 0.07× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.09× its world share, 1 worksPharmacology, Toxico…Chemical Engineering: 2.27× its world share, 2 worksChemical EngineeringChemistry: 3.01× its world share, 14 worksChemistryComputer Science: 0.23× its world share, 5 worksComputer ScienceEarth and Planetary Sciences: 1.44× its world share, 7 worksEarth and Planetary …Energy: 4.48× its world share, 12 worksEnergyEngineering: 2.62× its world share, 114 worksEngineeringEnvironmental Science: 2.47× its world share, 36 worksEnvironmental ScienceMaterials Science: 5.88× its world share, 60 worksMaterials ScienceMathematics: 0.03× its world share, 0 worksMathematicsPhysics and Astronomy: 0.52× its world share, 3 worksPhysics and AstronomyDentistry: 0.12× its world share, 0 worksDentistryHealth Professions: 0.30× its world share, 2 worksHealth ProfessionsMedicine: 0.19× its world share, 11 worksMedicineNursing: 0.37× its world share, 0 worksNursingArts and Humanities: 0.09× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.26× its world share, 2 worksBusiness, Management…Decision Sciences: 0.04× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.07× its world share, 0 worksEconomics, Econometr…Psychology: 0.02× its world share, 0 worksPsychologySocial Sciences: 0.09× its world share, 4 worksSocial Sciencesworld share
more than its size predictsabout as predictedless

Rings at 0.5×, and 2×. Widest outward: Materials Science, 5.9×. Every wedge is a field page.

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. 1 Penny Ellis South Africa · #728,984 worldwide 14 citations · 19 works
  2. 2 Ginger Moore South Africa · #961,106 worldwide 20 citations · 15 works
  3. 3 Richard M. Moutloali South Africa · #1,472,729 worldwide 60 citations · 19 works
  4. 4 Quinn G. Reynolds South Africa · #1,544,827 worldwide 8 citations · 17 works
  5. 5 Lerato Nkosi South Africa · #1,628,480 worldwide 0 citations · 16 works
All ranked researchers at Mintek

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.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

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
  1. Mechanical Properties34▲ 12×23 topics
  2. Nanomaterials28▲ 9.2×14 topics
  3. Microstructure27▲ 18×12 topics
  4. Biomedical Applications22▲ 6.4×19 topics
  5. Environmental Impact20▲ 4.1×17 topics
  6. Metal Recovery17▲ 30×3 topics
  7. Nanocomposites16▲ 6.9×18 topics
  8. Nanoparticles16▲ 4.3×25 topics
  9. Machine Learning14▲ 1.51×14 topics
  10. Graphene14▲ 7.0×9 topics
  11. Metallurgy14▲ 78×2 topics
  12. Water Treatment13▲ 37×4 topics
  13. Energy Efficiency13▲ 4.7×9 topics
  14. Electrical Properties11▲ 42×3 topics
  15. Flotation11▲ 130×1 topic
  16. Nanobubbles11▲ 130×1 topic
  17. Microbial Communities11▲ 8.8×4 topics
  18. Water Splitting10▲ 9.3×4 topics
  19. Microbial Ecology10▲ 19×5 topics
  20. Rare Earth Elements10▲ 23×3 topics
  21. Circular Economy9▲ 11×3 topics
  22. Lithium-ion Batteries9▲ 7.3×4 topics
  23. Toxicity9▲ 7.1×7 topics
  24. Bioleaching9▲ 97×1 topic
  25. Sulfide Minerals9▲ 97×1 topic
  26. Comminution8▲ 84×1 topic
  27. Mineral Liberation Analysis8▲ 84×1 topic
  28. Aerospace Applications8▲ 27×3 topics
  29. Carbon Nanotubes8▲ 7.7×5 topics
  30. Sustainable Technology8▲ 23×2 topics
  31. Visible Light8▲ 11×3 topics
  32. Battery Recycling8▲ 33×1 topic
  33. Hydrometallurgical Processes8▲ 33×1 topic
  34. Green Synthesis7▲ 13×3 topics
  35. Nanostructures7▲ 6.1×8 topics
  36. Processing Techniques6▲ 23×2 topics
  37. Heavy Metals6▲ 8.7×6 topics
  38. Hydrogen Production6▲ 7.6×4 topics
  39. Microstructural Evolution6▲ 14×3 topics
  40. 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.

  1. 1 Minerals Flotation and Separation Techniques Water Science and Technology 11 works
  2. 2 Metal Extraction and Bioleaching Biomedical Engineering 9 works
  3. 3 Mineral Processing and Grinding Mechanical Engineering 8 works
  4. 4 Extraction and Separation Processes Mechanical Engineering 8 works
  5. 5 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 5 works
  6. 6 Metallurgical Processes and Thermodynamics Mechanical Engineering 5 works
  7. 7 Nanoparticles: synthesis and applications Materials Chemistry 5 works
  8. 8 Intermetallics and Advanced Alloy Properties Mechanical Engineering 5 works
  9. 9 Titanium Alloys Microstructure and Properties Materials Chemistry 4 works
  10. 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.

openly available45.0%not open55.0%

World: 28% of research is openly available.

with international co-authors14.4%domestic only85.6%

World: 19% is written across borders.

How has Mintek's research output changed?

Output in 2018–2022 was 76% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

All research institutions in Johannesburg

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.