Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Chemical reaction engineering
reactor technology
kinetics
catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,404
8,571
0.366
* Total Citation Counts Rankings
Ranking Based On Selection :2
Electrochemistry
waste to materials
analytics
waste to energy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,232
6,806
0.941
* Total Citation Counts Rankings
Ranking Based On Selection :3
Chemical Engineer
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
639
470
0.736
* Total Citation Counts Rankings
Ranking Based On Selection :4
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
117
0.520
* Total Citation Counts Rankings
Ranking Based On Selection :5
Chemical Engineering
Reaction Engineering
Heterogeneous catalysis
Hydrocarbons
Biofuels
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
96
0.990
* Total Citation Counts Rankings
Ranking Based On Selection :6
Chemical Engineering
Energy
Environment
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63
62
0.984
* Total Citation Counts Rankings
Ranking Based On Selection :7
Chemical engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
38
0.745
* Total Citation Counts Rankings
Ranking Based On Selection :8
Chemical engineering
polymer science
scale-up
heat balance
reaction engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
37
0.902
* Total Citation Counts Rankings
Ranking Based On Selection :9
Chemical Engineering
Reaction Engineering
Catalysis
Green Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Tapio Salmi
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,404
8,571
0.366
Chemical reaction engineering
reactor technology
kinetics
catalysis
Grzegorz Lisak
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,232
6,806
0.941
Electrochemistry
waste to materials
analytics
waste to energy
Imane Hachemi
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
639
470
0.736
Hamid Ghanbari
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
117
0.520
Taimoor Ahmad Kaka Khel
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
97
96
0.990
Chemical Engineering
Reaction Engineering
Heterogeneous catalysis
Hydrocarbons
Biofuels
Mouad Hachhach
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
63
62
0.984
Chemical Engineering
Energy
Environment
Leolincoln Da Silva Correia
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
51
38
0.745
Ana Carolina Méndez Ecoscia
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
41
37
0.902
Chemical engineering
polymer science
scale-up
heat balance
reaction engineering
German Araujo-Barahona
Abo Akademi University
Turku, Finland
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Chemical Engineering
Reaction Engineering
Catalysis
Green Chemistry