| Characterization and COD fractionation of domestic wastewaters D Orhon, E Ateş, S Sözen, EU Çokgör Environmental Pollution 95 (2), 191-204, 1997 | 236 | 1997 |
| Respirometric analysis of activated sludge behaviour—I. Assessment of the readily biodegradable substrate EU Çokgör, S Sözen, D Orhon, M Henze Water Research 32 (2), 461-475, 1998 | 223 | 1998 |
| The effect of residual microbial products on the experimental assessment of the particulate inert COD in wastewaters D Orhon, Ö Karahan, S Sözen Water Research 33 (14), 3191-3203, 1999 | 142 | 1999 |
| Respirometric analysis of activated sludge behaviour—II. Heterotrophic growth under aerobic and anoxic conditions S Sözen, EU Çokgör, D Orhon, M Henze Water research 32 (2), 476-488, 1998 | 139 | 1998 |
| High temperature pyrolysis of sewage sludge as a sustainable process for energy recovery C Karaca, S Sözen, D Orhon, H Okutan Waste management 78, 217-226, 2018 | 106 | 2018 |
| A new method for the assessment of heterotrophic endogenous respiration rate under aerobic and anoxic conditions E Avcioglu, D Orhon, S Sözen Water science and technology 38 (8-9), 95-103, 1998 | 104 | 1998 |
| The effect of heterotrophic yield on the assessment of the correction factor for anoxic growth D Orhon, S Sözen, N Artan Water Science and Technology 34 (5-6), 67-74, 1996 | 99 | 1996 |
| Experimental basis for the hydrolysis of slowly biodegradable substrate in different wastewaters D Orhon, EU Çokgör, S Sözen Water Science and Technology 39 (1), 87-95, 1999 | 87 | 1999 |
| Dual hydrolysis model of the slowly biodegradable substrate in activated sludge systems D Orhon, EU Çokgör, S Sözen Biotechnology techniques 12, 737-741, 1998 | 86 | 1998 |
| Respirometric evaluation of the biodegradability of confectionary wastewaters D Orhon, G Yildiz, EU Çokgör, S Sözen Water Science and Technology 32 (12), 11-19, 1995 | 76 | 1995 |
| Evaluation of nitrogen removal by step feeding in large treatment plants E Görgün, N Artan, D Orhon, S Sözen Water Science and Technology 34 (1-2), 253-260, 1996 | 72 | 1996 |
| Assessment of nitrification-denitrification potential of Istanbul domestic wastewaters D Orhon, S Sözen, E Ubayo Water Science and Technology 30 (6), 21, 1994 | 72 | 1994 |
| Experimental basis of activated sludge treatment for industrial wastewaters—the state of the art D Orhon, R Taşli, S Sözen Water Science and Technology 40 (1), 1-11, 1999 | 70 | 1999 |
| The effect of nitrite correction on the evaluation of the rate of nitrate utilization under anoxic conditions S Sözen, D Orhon Journal of Chemical Technology & Biotechnology: International Research in …, 1999 | 65 | 1999 |
| A new approach for the evaluation of the maximum specific growth rate in nitrification S Sözen, D Orhon, HA San Water Research 30 (7), 1661-1669, 1996 | 55 | 1996 |
| Implementation of the Anammox process for improved nitrogen removal D Güven, K van de Pas-Schoonen, MC Schmid, M Strous, MSM Jetten, ... Journal of Environmental Science and Health, Part A 39 (7), 1729-1738, 2004 | 54 | 2004 |
| Su yönetimi ve sürdürülebilir kalkınma D Orhon, S Sözen, B Üstün, E Görgün, GÖ Karahan Çevre ve Sürdürülebilir Kalkınma Paneli, İstanbul 40, 2023 | 45 | 2023 |
| GIS based spatial pattern analysis: Children with Hepatitis A in Turkey AO Dogru, RM David, N Ulugtekin, C Goksel, DZ Seker, S Sözen Environmental research 156, 349-357, 2017 | 45 | 2017 |
| Filling the gap between Earth observation and policy making in the Black Sea catchment with enviroGRIDS A Lehmann, G Giuliani, E Mancosu, KC Abbaspour, S Sözen, D Gorgan, ... Environmental Science & Policy 46, 1-12, 2015 | 43 | 2015 |
| The effect of chemical settling on the kinetics and design of activated sludge for tannery wastewaters D Orhon, S Sözen, EU Çokgör, EA Genceli Water science and technology 38 (4-5), 355-362, 1998 | 43 | 1998 |
