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Distribution of papers in the 4 most productive institutions in the field of membrane paraffin/olefin gas separations (with more than 10 papers).
| Ranking | Institutions | Documents | Percentage (%) |
|---|---|---|---|
| 1 | Korea Institute of Science and Technology (South Korea) |
21 | 7 |
| 2 | Amirkabir University of Technology (Iran) |
12 | 4 |
| 2 | Georgia Institute of Technology (USA) |
12 | 4 |
| 3 | University of Twente (The Nerthelands) |
10 | 3 |
