| Effects of chromium on activated sludge and on the performance of wastewater treatment plants: a review E Vaiopoulou, P Gikas water research 46 (3), 549-570, 2012 | 295 | 2012 |
| The role of satellite and decentralized strategies in water resources management P Gikas, G Tchobanoglous Journal of Environmental Management 90 (1), 144-152, 2009 | 272 | 2009 |
| Unlocking digital technologies for waste recycling in Industry 4.0 era: A transformation towards a digitalization-based circular economy in Indonesia TA Kurniawan, MHD Othman, GH Hwang, P Gikas Journal of Cleaner Production 357, 131911, 2022 | 266 | 2022 |
| Single and combined effects of nickel (Ni (II)) and cobalt (Co (II)) ions on activated sludge and on other aerobic microorganisms: a review P Gikas Journal of hazardous materials 159 (2-3), 187-203, 2008 | 255 | 2008 |
| Regulations for chromium emissions to the aquatic environment in Europe and elsewhere E Vaiopoulou, P Gikas Chemosphere 254, 126876, 2020 | 222 | 2020 |
| Characteristics and biogas production potential of municipal solid wastes pretreated with a rotary drum reactor B Zhu, P Gikas, R Zhang, J Lord, B Jenkins, X Li Bioresource technology 100 (3), 1122-1129, 2009 | 206 | 2009 |
| Water reuse: Overview of current practices and trends in the world with emphasis on EU states AN Angelakis, P Gikas Water Utility Journal 8 (67), e78, 2014 | 201 | 2014 |
| Effects of tri-valent (Cr (III)) and hexa-valent (Cr (VI)) chromium on the growth of activated sludge P Gikas, P Romanos Journal of hazardous materials 133 (1-3), 212-217, 2006 | 164 | 2006 |
| Disinfection of water and wastewater by TiO2 photocatalysis, sonolysis and UV-C irradiation A Paleologou, H Marakas, NP Xekoukoulotakis, A Moya, Y Vergara, ... Catalysis Today 129 (1-2), 136-142, 2007 | 163 | 2007 |
| Towards energy positive wastewater treatment plants P Gikas Journal of environmental management 203, 621-629, 2017 | 154 | 2017 |
| Assessment of water quality parameters using temporal remote sensing spectral reflectance in arid environments, Saudi Arabia M Elhag, I Gitas, A Othman, J Bahrawi, P Gikas Water 11 (3), 556, 2019 | 138 | 2019 |
| Sustainable use of water in the Aegean Islands P Gikas, G Tchobanoglous Journal of Environmental Management 90 (8), 2601-2611, 2009 | 130 | 2009 |
| Challenges and opportunities for biochar to promote circular economy and carbon neutrality TA Kurniawan, MHD Othman, X Liang, HH Goh, P Gikas, KK Chong, ... Journal of environmental management 332, 117429, 2023 | 124 | 2023 |
| Kinetic responses of activated sludge to individual and joint nickel (Ni (II)) and cobalt (Co (II)): an isobolographic approach P Gikas Journal of hazardous materials 143 (1-2), 246-256, 2007 | 124 | 2007 |
| Review of wastewater reuse in the Mediterranean countries, focusing on regulations and policies for municipal and industrial applications. M Kellis, IK Kalavrouziotis, P Gikas | 100 | 2013 |
| A mixed integer optimisation approach for integrated water resources management S Liu, F Konstantopoulou, P Gikas, LG Papageorgiou Computers & Chemical Engineering 35 (5), 858-875, 2011 | 100 | 2011 |
| Energy consumption and internal distribution in activated sludge wastewater treatment plants of Greece A Siatou, A Manali, P Gikas Water 12 (4), 1204, 2020 | 90 | 2020 |
| Harnessing landfill gas (LFG) for electricity: A strategy to mitigate greenhouse gas (GHG) emissions in Jakarta (Indonesia) TA Kurniawan, X Liang, D Singh, MHD Othman, HH Goh, P Gikas, ... Journal of environmental management 301, 113882, 2022 | 87 | 2022 |
| Decarbonization in waste recycling industry using digitalization to promote net-zero emissions and its implications on sustainability TA Kurniawan, MHD Othman, X Liang, HH Goh, P Gikas, TD Kusworo, ... Journal of environmental management 338, 117765, 2023 | 86 | 2023 |
| Water resources management in Crete and in the Aegean Islands, with emphasis on the utilization of non-conventional water sources P Gikas, AN Angelakis Desalination 248 (1-3), 1049-1064, 2009 | 80 | 2009 |
