| Levelized cost of CO 2 mitigation from hydrogen production routes B Parkinson, P Balcombe, JF Speirs, AD Hawkes, K Hellgardt Energy & environmental science 12 (1), 19-40, 2019 | 473 | 2019 |
| A UK-based assessment of hybrid PV and solar-thermal systems for domestic heating and power: System performance M Herrando, CN Markides, K Hellgardt Applied Energy 122, 288-309, 2014 | 345 | 2014 |
| An assessment of solar-powered organic Rankine cycle systems for combined heating and power in UK domestic applications J Freeman, K Hellgardt, CN Markides Applied Energy 138, 605-620, 2015 | 332 | 2015 |
| Uncovering the true cost of hydrogen production routes using life cycle monetisation A Al-Qahtani, B Parkinson, K Hellgardt, N Shah, G Guillen-Gosalbez Applied Energy 281, 115958, 2021 | 263 | 2021 |
| Working fluid selection and electrical performance optimisation of a domestic solar-ORC combined heat and power system for year-round operation in the UK J Freeman, K Hellgardt, CN Markides Applied Energy 186, 291-303, 2017 | 201 | 2017 |
| Aerobic oxidations in flow: opportunities for the fine chemicals and pharmaceuticals industries A Gavriilidis, A Constantinou, K Hellgardt, KKM Hii, GJ Hutchings, ... Reaction chemistry & engineering 1 (6), 595-612, 2016 | 175 | 2016 |
| Optimising H2 production from model biogas via combined steam reforming and CO shift reactions A Effendi, K Hellgardt, ZG Zhang, T Yoshida Fuel 84 (7-8), 869-874, 2005 | 168 | 2005 |
| Steam reforming of a clean model biogas over Ni/Al2O3 in fluidized-and fixed-bed reactors A Effendi, ZG Zhang, K Hellgardt, K Honda, T Yoshida Catalysis today 77 (3), 181-189, 2002 | 156 | 2002 |
| A review on hydrothermal pre-treatment technologies and environmental profiles of algal biomass processing B Patel, M Guo, A Izadpanah, N Shah, K Hellgardt Bioresource Technology 199, 288-299, 2016 | 154 | 2016 |
| Electricity generation from digitally printed cyanobacteria M Sawa, A Fantuzzi, P Bombelli, CJ Howe, K Hellgardt, PJ Nixon Nature communications 8 (1), 1327, 2017 | 151 | 2017 |
| Hydrous ferric oxide as an adsorbent in water treatment: Part 3: Batch and mini-column adsorption of arsenic, phosphorus, fluorine and cadmium ions M Streat, K Hellgardt, NLR Newton Process safety and environmental protection 86 (1), 21-30, 2008 | 131 | 2008 |
| High performance direct ammonia solid oxide fuel cell GGM Fournier, IW Cumming, K Hellgardt Journal of power sources 162 (1), 198-206, 2006 | 131 | 2006 |
| Design of a novel flat-plate photobioreactor system for green algal hydrogen production B Tamburic, FW Zemichael, P Crudge, GC Maitland, K Hellgardt International journal of hydrogen energy 36 (11), 6578-6591, 2011 | 113 | 2011 |
| Wastewater treatment: wet air oxidation as a precursor to biological treatment D Mantzavinos, M Sahibzada, AG Livingston, IS Metcalfe, K Hellgardt Catalysis Today 53 (1), 93-106, 1999 | 112 | 1999 |
| Contemporary trends in composite Ni-based catalysts for CO2 reforming of methane M Yusuf, AS Farooqi, LK Keong, K Hellgardt, B Abdullah Chemical Engineering Science 229, 116072, 2021 | 108 | 2021 |
| Application of water in hydrothermal conditions for upgrading heavy oils: a review P Arcelus-Arrillaga, JL Pinilla, K Hellgardt, M Millan Energy & Fuels 31 (5), 4571-4587, 2017 | 108 | 2017 |
| Deep learning‐based surrogate modeling and optimization for microalgal biofuel production and photobioreactor design EA del Rio‐Chanona, JL Wagner, H Ali, F Fiorelli, D Zhang, K Hellgardt AIChE Journal 65 (3), 915-923, 2019 | 106 | 2019 |
| Experimental study of DI diesel engine performance using three different biodiesel fuels J Patterson, MG Hassan, A Clarke, G Shama, K Hellgardt, R Chen SAE Technical Paper, 2006 | 104 | 2006 |
| Preparation and characterisation of polyaniline based membranes for gas separation G Illing, K Hellgardt, RJ Wakeman, A Jungbauer Journal of Membrane Science 184 (1), 69-78, 2001 | 100 | 2001 |
| Catalysis in flow: the practical and selective aerobic oxidation of alcohols to aldehydes and ketones N Zotova, K Hellgardt, GH Kelsall, AS Jessiman, KKM Hii Green chemistry 12 (12), 2157-2163, 2010 | 98 | 2010 |
