| Decolorization and COD reduction of disperse and reactive dyes wastewater using chemical-coagulation followed by sequential batch reactor (SBR) process F El-Gohary, A Tawfik Desalination 249 (3), 1159-1164, 2009 | 221 | 2009 |
| Degradation of four pharmaceuticals by solar photo-Fenton process: kinetics and costs estimation MG Alalm, A Tawfik, S Ookawara Journal of Environmental Chemical Engineering 3 (1), 46-51, 2015 | 197 | 2015 |
| Treatment of a combined dairy and domestic wastewater in an up-flow anaerobic sludge blanket (UASB) reactor followed by activated sludge (AS system) A Tawfik, M Sobhey, M Badawy Desalination 227 (1-3), 167-177, 2008 | 193 | 2008 |
| Comparison of solar TiO2 photocatalysis and solar photo-Fenton for treatment of pesticides industry wastewater: operational conditions, kinetics, and costs MG Alalm, A Tawfik, S Ookawara Journal of Water Process Engineering 8, 55-63, 2015 | 191 | 2015 |
| Comparative study between chemical coagulation/precipitation (C/P) versus coagulation/dissolved air flotation (C/DAF) for pre-treatment of personal care products (PCPs) wastewater F El-Gohary, A Tawfik, U Mahmoud Desalination 252 (1-3), 106-112, 2010 | 178 | 2010 |
| Enhancement of photocatalytic activity of TiO2 by immobilization on activated carbon for degradation of pharmaceuticals MG Alalm, A Tawfik, S Ookawara Journal of Environmental Chemical Engineering 4 (2), 1929-1937, 2016 | 171 | 2016 |
| Sewage treatment in a combined up-flow anaerobic sludge blanket (UASB)–down-flow hanging sponge (DHS) system A Tawfik, A Ohashi, H Harada Biochemical engineering journal 29 (3), 210-219, 2006 | 119 | 2006 |
| Improved WO3 photocatalytic efficiency using ZrO2 and Ru for the degradation of carbofuran and ampicillin MG Alalm, S Ookawara, D Fukushi, A Sato, A Tawfik Journal of hazardous materials 302, 225-231, 2016 | 110 | 2016 |
| Nickel-graphene nanocomposite as a novel supplement for enhancement of biohydrogen production from industrial wastewater containing mono-ethylene glycol A Elreedy, E Ibrahim, N Hassan, A El-Dissouky, M Fujii, C Yoshimura, ... Energy Conversion and Management 140, 133-144, 2017 | 109 | 2017 |
| Performance of UASB septic tank for treatment of concentrated black water within DESAR concept K Kujawa-Roeleveld, T Fernandes, Y Wiryawan, A Tawfik, M Visser, ... Water Science and Technology 52 (1-2), 307-313, 2005 | 96 | 2005 |
| Treatment of anaerobically pre-treated domestic sewage by a rotating biological contactor A Tawfik, B Klapwijk, F el-Gohary, G Lettinga Water research 36 (1), 147-155, 2002 | 96 | 2002 |
| Continuous biohydrogen production from starch wastewater via sequential dark-photo fermentation with emphasize on maghemite nanoparticles M Nasr, A Tawfik, S Ookawara, M Suzuki, S Kumari, F Bux Journal of Industrial and Engineering Chemistry 21, 500-506, 2015 | 93 | 2015 |
| Treatment of high strength wastewater from fruit juice industry using integrated anaerobic/aerobic system H El-Kamah, A Tawfik, M Mahmoud, H Abdel-Halim Desalination 253 (1-3), 158-163, 2010 | 90 | 2010 |
| Continuous hydrogen production from co-digestion of municipal food waste and kitchen wastewater in mesophilic anaerobic baffled reactor A Tawfik, M El-Qelish Bioresource technology 114, 270-274, 2012 | 85 | 2012 |
| Enhanced fermentative hydrogen production from industrial wastewater using mixed culture bacteria incorporated with iron, nickel, and zinc-based nanoparticles A Elreedy, M Fujii, M Koyama, K Nakasaki, A Tawfik Water research 151, 349-361, 2019 | 78 | 2019 |
| Effect of some waste additives on the physical and mechanical properties of gypsum plaster composites AA Khalil, A Tawfik, AA Hegazy, MF El-Shahat Construction and building materials 68, 580-586, 2014 | 74 | 2014 |
| Two stage anaerobic baffled reactors for bio-hydrogen production from municipal food waste A Tawfik, A Salem, M El-Qelish Bioresource Technology 102 (18), 8723-8726, 2011 | 70 | 2011 |
| Treatment of domestic wastewater in an up-flow anaerobic sludge blanket reactor followed by moving bed biofilm reactor A Tawfik, F El-Gohary, H Temmink Bioprocess and biosystems engineering 33, 267-276, 2010 | 68 | 2010 |
| Solar photocatalytic degradation of phenol by TiO2/AC prepared by temperature impregnation method M Gar Alalm, A Tawfik, S Ookawara Desalination and Water Treatment 57 (2), 835-844, 2016 | 67 | 2016 |
| Potentials of using a rotating biological contactor (RBC) for post-treatment of anaerobically pre-treated domestic wastewater A Tawfik, A Klapwijk, F El-Gohary, G Lettinga Biochemical engineering journal 25 (1), 89-98, 2005 | 67 | 2005 |
