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Extraction and Separation Processes

Extraction and Separation Processes is a research topic within Mechanical Engineering. Science Explorer counts 65k research works in it since 1950. 20.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the recycling of lithium-ion batteries, recovery of rare earth elements, and sustainable technology for metal recovery. It discusses hydrometallurgical processes, circular economy implications, environmental impact, and global supply concerns related to battery recycling and rare earth recovery.

  • Battery Recycling
  • Lithium-ion Batteries
  • Rare Earth Elements
  • Metal Recovery
  • Sustainable Technology
  • Environmental Impact
  • Hydrometallurgical Processes
  • Circular Economy
  • Resource Depletion
  • Global Supply
Research works
65k
fractional, since 1950
In the world top 10%
13k
per year above
Top-10% rate
20.1%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+32%
the tick is no change

Which countries lead Extraction and Separation Processes research?

By volume, China and the United States publish the most (6.5k and 1.3k works in 2022–2025).

By volume, 2022–2025

  1. 1 China 6.5k works
  2. 2 United States 1.3k works
  3. 3 India 956 works
  4. 4 Russia 563 works
  5. 5 Germany 552 works
  6. 6 South Korea 474 works
  7. 7 Indonesia 395 works
  8. 8 Japan 365 works
  9. 9 France 338 works
  10. 10 United Kingdom 323 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 55.2%United States: 10.9%India: 8.2%Russia: 4.8%6 others listed: 20.9%55%largest
China6,458 · 55.2%United States1,274 · 10.9%India956 · 8.2%Russia563 · 4.8%6 others listed2,448 · 20.9%

Shares of the rows listed above, not of the whole node.

Which institutions lead Extraction and Separation Processes research?

By volume in 2022–2025, Central South University publishes the most Extraction and Separation Processes research, followed by Kunming University of Science and Technology and Northeastern University.

By volume, 2022–2025

  1. 1 Central South University China 427 works
  2. 2 Kunming University of Science and Technology China 294 works
  3. 3 Northeastern University China 168 works
  4. 4 University of Science and Technology Beijing China 159 works
  5. 5 Chinese Academy of Sciences China 130 works
  6. 6 Tsinghua University China 88 works
  7. 7 China University of Mining and Technology China 82 works
  8. 8 Jiangxi University of Science and Technology China 80 works
  9. 9 University of Chinese Academy of Sciences China 79 works
  10. 10 Sichuan University China 71 works

Who are the leading researchers in Extraction and Separation Processes?

The most-cited researchers publishing on Extraction and Separation Processes include John B. Goodenough, Seeram Ramakrishna and Huan Liu.

  1. 1 John B. Goodenough 6.2k citations
  2. 2 Seeram Ramakrishna 5.1k citations
  3. 3 Huan Liu 4.9k citations
  4. 4 Jean‐Marie Tarascon 4.9k citations
  5. 5 Martin Winter 4.9k citations
  6. 6 J. R. Dahn 4.8k citations
  7. 7 Qiang Zhang 4.5k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Extraction and Separation Processes research done?

The largest centres of Extraction and Separation Processes research in 2022–2025 are Beijing (China), Changsha (China), Kunming (China) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Muan, Freiberg and Lemont.

Largest cities, 2022–2025

  1. 1 Beijing China 1.2k works
  2. 2 Changsha China 520 works
  3. 3 Kunming China 379 works
  4. 4 Shanghai China 296 works
  5. 5 Wuhan China 270 works
  6. 6 Shenyang China 223 works
  7. 7 Moscow Russia 217 works
  8. 8 Nanjing China 181 works
  9. 9 Chengdu China 176 works
  10. 10 Tianjin China 166 works

Where it is the local speciality

  1. MuanKR · 22.1 works45×
  2. FreibergDE · 31.1 works23×
  3. LemontUS · 46.5 works15×
← less than its size predictsmore →

Location quotient: how much more of its research is in Extraction and Separation Processes than the world average.

See Extraction and Separation Processes on the map

Where is the best place to study Extraction and Separation Processes?

Among universities, judged by research, Central South University, Northeastern University and Kunming University of Science and Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%mean 24.68%fractional works in this node (log) →share in the world top 10% →Central South University: 427, 28.5%Northeastern University: 168, 24.7%Kunming University of Science and Technology: 294, 25.7%East China University of Technology: 38, 23.8%University of Science and Technology Beijing: 158, 22.2%Université Mohammed VI Polytechnique: 14, 33.2%Southwest University of Science and Technology: 42, 31.6%Lappeenranta-Lahti University of Technology: 14, 29.2%Colorado School of Mines: 23, 16.4%TU Bergakademie Freiberg: 22, 11.5%Central South Univer…Kunming University o…Northeastern Univers…East China Universit…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1Central South University China 63.428.5%16.0×427 +14.5%
2Northeastern University China 60.124.7%11.8×168 +74.8%
3Kunming University of Science and Technology China 59.925.7%31.9×294 +24.2%
4East China University of Technology China 59.523.8%26.2×38 +269.2%
5University of Science and Technology Beijing China 56.622.2%12.5×158 +38.6%
6Université Mohammed VI Polytechnique Morocco 53.533.2%9.8×14
7Southwest University of Science and Technology China 53.431.6%11.6×42 +33.2%
8Lappeenranta-Lahti University of Technology Finland 53.429.2%8.6×14 +147.5%
9Colorado School of Mines United States 53.116.4%11.5×23 +170.9%
10TU Bergakademie Freiberg Germany 52.811.5%17.9×22 +208.9%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Extraction and Separation Processes research growing?

Output in 2018–2022 was 32% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Extraction and Separation Processes.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.