| The occurrence and role of Nitrospira in nitrogen removal systems MJ Mehrani, D Sobotka, P Kowal, S Ciesielski, J Makinia Bioresource technology 303, 122936, 2020 | 146 | 2020 |
| Municipal landfill leachate nitrification in RBC biofilm–Process efficiency and molecular analysis of microbial structure D Kulikowska, T Jóźwiak, P Kowal, S Ciesielski Bioresource technology 101 (10), 3400-3405, 2010 | 70 | 2010 |
| Optimization of the Aeration Strategies in a Deammonification Sequencing Batch Reactor for Efficient Nitrogen Removal and Mitigation of N2O Production HE Al-Hazmi, X Lu, J Majtacz, P Kowal, L Xie, J Makinia Environmental Science & Technology 55 (2), 1218-1230, 2020 | 49 | 2020 |
| Ribosomal Intergenic Spacer Analysis as a Tool for Monitoring Methanogenic Archaea Changes in an Anaerobic Digester S Ciesielski, K Bułkowska, D Dabrowska, D Kaczmarczyk, P Kowal, ... Current microbiology 67, 240-248, 2013 | 48 | 2013 |
| Long-term performance and microbial characteristics of the anammox-enriched granular sludge cultivated in a bench-scale sequencing batch reactor D Sobotka, A Tuszynska, P Kowal, S Ciesielski, K Czerwionka, J Makinia Biochemical engineering journal 120, 125-135, 2017 | 45 | 2017 |
| Application of a hybrid mechanistic/machine learning model for prediction of nitrous oxide (N2O) production in a nitrifying sequencing batch reactor MJ Mehrani, F Bagherzadeh, M Zheng, P Kowal, D Sobotka, J Mąkinia Process Safety and Environmental Protection 162, 1015-1024, 2022 | 37 | 2022 |
| Development of strategies for AOB and NOB competition supported by mathematical modeling in terms of successful deammonification implementation for energy-efficient WWTPs M Sharif Shourjeh, P Kowal, X Lu, L Xie, J Drewnowski Processes 9 (3), 562, 2021 | 28 | 2021 |
| Evaluation of partial nitritation/anammox (PN/A) process performance and microorganisms community composition under different C/N ratio H Al-Hazmi, D Grubba, J Majtacz, P Kowal, J Makinia Water 11 (11), 2270, 2019 | 26 | 2019 |
| Band engineering of BiOBr based materials for photocatalytic wastewater treatment via advanced oxidation processes (AOPs)–A review Z Saddique, M Imran, A Javaid, S Latif, N Hussain, P Kowal, G Boczkaj Water Resources and Industry, 100211, 2023 | 22 | 2023 |
| Characterization of bacterial structures in a two-stage moving-bed biofilm reactor (MBBR) during nitrification of the landfill leachate S Ciesielski, D Kulikowska, E Kaczowka, P Kowal Journal of microbiology and biotechnology 20 (7), 1140-1151, 2010 | 22 | 2010 |
| Incorporation of the complete ammonia oxidation (comammox) process for modeling nitrification in suspended growth wastewater treatment systems MJ Mehrani, X Lu, P Kowal, D Sobotka, J Mąkinia Journal of Environmental Management 297, 113223, 2021 | 18 | 2021 |
| Mutual interaction between temperature and DO set point on AOB and NOB activity during shortcut nitrification in a sequencing batch reactor in terms of energy consumption … MS Shourjeh, P Kowal, J Drewnowski, B Szeląg, A Szaja, G Łagód Energies 13 (21), 5808, 2020 | 17 | 2020 |
| Integration of the sulfate reduction and anammox processes for enhancing sustainable nitrogen removal in granular sludge reactors D Derwis, J Majtacz, P Kowal, HE Al-Hazmi, J Zhai, S Ciesielski, ... Bioresource Technology 383, 129264, 2023 | 16 | 2023 |
| Effect of individual components of lignocellulosic biomass on methane production and methanogen community structure T Pokój, E Klimiuk, K Bułkowska, P Kowal, S Ciesielski Waste and biomass valorization 11, 1421-1433, 2020 | 16 | 2020 |
| Achieving efficient and stable deammonification at low temperatures—experimental and modeling studies H Al-Hazmi, X Lu, D Grubba, J Majtacz, P Kowal, J Mąkinia Energies 14 (13), 3961, 2021 | 15 | 2021 |
| Modelling AOB-NOB competition in shortcut nitrification compared with conventional nitrification-denitrification process J Drewnowski, MS Shourjeh, P Kowal, W Cel Journal of Physics: Conference Series 1736 (1), 012046, 2021 | 14 | 2021 |
| New insights into modeling two-step nitrification in activated sludge systems–The effects of initial biomass concentrations, comammox and heterotrophic activities MJ Mehrani, D Sobotka, P Kowal, J Guo, J Mąkinia Science of the Total Environment 848, 157628, 2022 | 13 | 2022 |
| Assessment of diversity and composition of bacterial community in sludge treatment reed bed systems P Kowal, S Ciesielski, M Godzieba, K Fitobór, M Gajewska, K Kołecka Science of The Total Environment 756, 144060, 2021 | 13 | 2021 |
| Improving the energy balance in wastewater treatment plants by optimization of aeration control and application of new technologies E Zaborowska, J Majtacz, J Drewnowski, D Sobotka, H Al-Hazmi, P Kowal, ... Water Supply and Wastewater Disposal; Sobczuk, H., Kowalska, B., Eds, 317-328, 2018 | 12 | 2018 |
| Acclimation of denitrifying activated sludge to a single vs. complex external carbon source during a start-up of sequencing batch reactors treating ammonium-rich anaerobic … K Czerwionka, A Luczkiewicz, J Majtacz, P Kowal, K Jankowska, ... Biodegradation 25, 881-892, 2014 | 12 | 2014 |
