Track the real-time academic impact of 2.6 million scientists across 221 countries. The H-Index Rankings evaluate both total and last 5 years’ H-index values, offering the most transparent measure of scholarly recognition. Compare global, continental, national, and institutional performance across 13 major fields and 221 disciplines.
* Total H Index Rankings
Rankings
Ranking Based On Selection:
1
Engineering & Technology / Chemical Engineering
Wireless Communication | IoT/Cyber-Physical Systems | Connected and autonomous vehicles | Electri
Wireless Communication | IoT/Cyber-Physical Systems | Connected and autonomous vehicles | Electri
H-Index Metrics
-
Total141
-
Last 5 Years134
-
Last 5 Years / Total0.950
* Total H Index Rankings
Rankings
Ranking Based On Selection:
2
Engineering & Technology / Chemical Engineering
Chemical Engineering | Sonochemistry | Cavitation | Wastewater treatmen
Chemical Engineering | Sonochemistry | Cavitation | Wastewater treatmen
H-Index Metrics
-
Total105
-
Last 5 Years77
-
Last 5 Years / Total0.733
* Total H Index Rankings
Rankings
Ranking Based On Selection:
3
Engineering & Technology / Chemical Engineering
Covalent organic frameworks | CO2 capture and conversion | porous materials | water purificatio
Covalent organic frameworks | CO2 capture and conversion | porous materials | water purificatio
H-Index Metrics
-
Total96
-
Last 5 Years67
-
Last 5 Years / Total0.698
* Total H Index Rankings
Rankings
Ranking Based On Selection:
4
Engineering & Technology / Chemical Engineering
Chemical Engineering | CFD | Fluid Mechanics | Multiphase Reactor Design | Solar Energ
Chemical Engineering | CFD | Fluid Mechanics | Multiphase Reactor Design | Solar Energ
H-Index Metrics
-
Total88
-
Last 5 Years48
-
Last 5 Years / Total0.545
* Total H Index Rankings
Rankings
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
Ranking Based On Selection:
6
Engineering & Technology / Chemical Engineering
Environmental Engineering | Membrane Technology | Separation Science | Water and wastewater treatmen
Environmental Engineering | Membrane Technology | Separation Science | Water and wastewater treatmen
H-Index Metrics
-
Total84
-
Last 5 Years64
-
Last 5 Years / Total0.762
* Total H Index Rankings
Rankings
Ranking Based On Selection:
7
Engineering & Technology / Chemical Engineering
nanotechnology | thin film | nanopatterning | adhesion | wettin
nanotechnology | thin film | nanopatterning | adhesion | wettin
H-Index Metrics
-
Total84
-
Last 5 Years44
-
Last 5 Years / Total0.524
* Total H Index Rankings
Rankings
Ranking Based On Selection:
8
Engineering & Technology / Chemical Engineering
Separations | Process Intensification | Wastewater treatment and bioremediation | Renewable Energy | Thermodynamic
Separations | Process Intensification | Wastewater treatment and bioremediation | Renewable Energy | Thermodynamic
H-Index Metrics
-
Total83
-
Last 5 Years63
-
Last 5 Years / Total0.759
* Total H Index Rankings
Rankings
Ranking Based On Selection:
9
Engineering & Technology / Chemical Engineering
Nanoparticle Chemistry | Environmental Chemistry | Micellar Chemistry | Catalysis and Spectroscopy
Nanoparticle Chemistry | Environmental Chemistry | Micellar Chemistry | Catalysis and Spectroscopy
H-Index Metrics
-
Total80
-
Last 5 Years47
-
Last 5 Years / Total0.588
* Total H Index Rankings
Rankings
Ranking Based On Selection:
10
Engineering & Technology / Chemical Engineering
Separation Processes & Catalysis | Pollution Abatement | Desulfurization | CO2 Utilization & Alternative Fuels | Nanomaterial
Separation Processes & Catalysis | Pollution Abatement | Desulfurization | CO2 Utilization & Alternative Fuels | Nanomaterial
H-Index Metrics
-
Total75
-
Last 5 Years54
-
Last 5 Years / Total0.720
* Total H Index Rankings
Rankings
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
Ranking Based On Selection:
13
Engineering & Technology / Chemical Engineering
Chemical engg. | Environmental engg. | Coal gasification | coal to chemicals | biomass energ
Chemical engg. | Environmental engg. | Coal gasification | coal to chemicals | biomass energ
H-Index Metrics
-
Total69
-
Last 5 Years44
-
Last 5 Years / Total0.638
* Total H Index Rankings
Rankings
Ranking Based On Selection:
14
Engineering & Technology / Chemical Engineering
Cavitation-aided Processes | Biofuels (gaseous/liquid
Cavitation-aided Processes | Biofuels (gaseous/liquid
H-Index Metrics
-
Total68
-
Last 5 Years48
-
Last 5 Years / Total0.706
* Total H Index Rankings
Rankings
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
Separation Processes | Bioprocess Technology | Process Intensificatio
Separation Processes | Bioprocess Technology | Process Intensificatio
H-Index Metrics
-
Total65
-
Last 5 Years44
-
Last 5 Years / Total0.677
* Total H Index Rankings
Rankings
Ranking Based On Selection:
16
Engineering & Technology / Chemical Engineering
Electrocatalysis for energy and value-added chemicals production | Nanomaterials for energy and environmental remediation
Electrocatalysis for energy and value-added chemicals production | Nanomaterials for energy and environmental remediation
H-Index Metrics
-
Total64
-
Last 5 Years59
-
Last 5 Years / Total0.922
* Total H Index Rankings
Rankings
Ranking Based On Selection:
17
Engineering & Technology / Chemical Engineering
Chemical Engineering | Environmental Engineering | Nanotechnology | Advanced Oxidation Processe
Chemical Engineering | Environmental Engineering | Nanotechnology | Advanced Oxidation Processe
H-Index Metrics
-
Total61
-
Last 5 Years56
-
Last 5 Years / Total0.918
* Total H Index Rankings
Rankings
Ranking Based On Selection:
18
Engineering & Technology / Chemical Engineering
Geothermal Energy | Environmental Sciences | Groundwater | Machine Learning | Desalinatio
Geothermal Energy | Environmental Sciences | Groundwater | Machine Learning | Desalinatio
H-Index Metrics
-
Total60
-
Last 5 Years59
-
Last 5 Years / Total0.983
* Total H Index Rankings
Rankings
Ranking Based On Selection:
19
Engineering & Technology / Chemical Engineering
Bioremediation - Biosorption | Nano Technology | Fuel | Environment | Hydrogel/Aerogel/Cryoge
Bioremediation - Biosorption | Nano Technology | Fuel | Environment | Hydrogel/Aerogel/Cryoge
H-Index Metrics
-
Total58
-
Last 5 Years50
-
Last 5 Years / Total0.862
* Total H Index Rankings
Rankings
Ranking Based On Selection:
20
Engineering & Technology / Chemical Engineering
Membrane Sc & Technology | Microbial Fuel Cell | DMFC | URFC | drug deliver
Membrane Sc & Technology | Microbial Fuel Cell | DMFC | URFC | drug deliver
H-Index Metrics
-
Total58
-
Last 5 Years45
-
Last 5 Years / Total0.776
* Total H Index Rankings
Rankings
Ranking Based On Selection:
21
Engineering & Technology / Chemical Engineering
CO2 Capture & Sequestration | Direct Air Capture | Gas Hydrates | Water Purification | Hydrogen Storag
CO2 Capture & Sequestration | Direct Air Capture | Gas Hydrates | Water Purification | Hydrogen Storag
H-Index Metrics
-
Total57
-
Last 5 Years47
-
Last 5 Years / Total0.825
* Total H Index Rankings
Rankings
Ranking Based On Selection:
22
Engineering & Technology / Chemical Engineering
Bioremediation | Biosorption | Wastewater Treatment | Waste Valorizatio
Bioremediation | Biosorption | Wastewater Treatment | Waste Valorizatio
H-Index Metrics
-
Total56
-
Last 5 Years52
-
Last 5 Years / Total0.929
* Total H Index Rankings
Rankings
Ranking Based On Selection:
23
Engineering & Technology / Chemical Engineering
Wastewater Treatment-Biosorption-Bioremediation-Microalgae-Catalyst synthesis-Biofuel-PS
Wastewater Treatment-Biosorption-Bioremediation-Microalgae-Catalyst synthesis-Biofuel-PS
H-Index Metrics
-
Total54
-
Last 5 Years52
-
Last 5 Years / Total0.963
* Total H Index Rankings
Rankings
Ranking Based On Selection:
24
Engineering & Technology / Chemical Engineering
Thermochemical technologies | biomass conversion | waste plastics and solid wastes to fuels and chemical
Thermochemical technologies | biomass conversion | waste plastics and solid wastes to fuels and chemical
H-Index Metrics
-
Total54
-
Last 5 Years49
-
Last 5 Years / Total0.907
* Total H Index Rankings
Rankings
Ranking Based On Selection:
25
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