| Adsorptive removal of sulfur and nitrogen species from a straight run gas oil over activated carbons for its deep hydrodesulfurization Y Sano, KH Choi, Y Korai, I Mochida Applied Catalysis B: Environmental 49 (4), 219-225, 2004 | 250 | 2004 |
| An overview of hydrodesulfurization and hydrodenitrogenation I Mochida, KH Choi Journal of the Japan Petroleum Institute 47 (3), 145-163, 2004 | 215 | 2004 |
| Mechanistic study on adsorption and reduction of NO2 over activated carbon fibers N Shirahama, SH Moon, KH Choi, T Enjoji, S Kawano, Y Korai, ... Carbon 40 (14), 2605-2611, 2002 | 188 | 2002 |
| Two-step adsorption process for deep desulfurization of diesel oil Y Sano, K Sugahara, KH Choi, Y Korai, I Mochida Fuel 84 (7-8), 903-910, 2005 | 173 | 2005 |
| Influences of nitrogen species on the hydrodesulfurization reactivity of a gas oil over sulfide catalysts of variable activity SDS Murti, H Yang, KH Choi, Y Korai, I Mochida Applied Catalysis A: General 252 (2), 331-346, 2003 | 129 | 2003 |
| Selection and further activation of activated carbons for removal of nitrogen species in gas oil as a pretreatment for its deep hydrodesulfurization Y Sano, KH Choi, Y Korai, I Mochida Energy & Fuels 18 (3), 644-651, 2004 | 122 | 2004 |
| The role of catalyst in supercritical water desulfurization A Ates, G Azimi, KH Choi, WH Green, MT Timko Applied Catalysis B: Environmental 147, 144-155, 2014 | 102 | 2014 |
| Impact of removal extent of nitrogen species in gas oil on its HDS performance: an efficient approach to its ultra deep desulfurization KH Choi, Y Korai, I Mochida, JW Ryu, W Min Applied Catalysis B: Environmental 50 (1), 9-16, 2004 | 89 | 2004 |
| Facile ultra-deep desulfurization of gas oil through two-stage or-layer catalyst bed KH Choi, N Kunisada, Y Korai, I Mochida, K Nakano Catalysis Today 86 (1-4), 277-286, 2003 | 84 | 2003 |
| Reaction of NO2 in air at room temperature with urea supported on pitch based activated carbon fiber N Shirahama, I Mochida, Y Korai, KH Choi, T Enjoji, T Shimohara, ... Applied catalysis B: environmental 52 (3), 173-179, 2004 | 78 | 2004 |
| Effects of nitrogen and refractory sulfur species removal on the deep HDS of gas oil Y Sano, KH Choi, Y Korai, I Mochida Applied Catalysis B: Environmental 53 (3), 169-174, 2004 | 76 | 2004 |
| Novel zeolite based support for NiMo sulfide in deep HDS of gas oil N Kunisada, KH Choi, Y Korai, I Mochida, K Nakano Applied Catalysis A: General 269 (1-2), 43-51, 2004 | 70 | 2004 |
| Reaction of NO with urea supported on activated carbons N Shirahama, I Mochida, Y Korai, KH Choi, T Enjoji, T Shimohara, ... Applied Catalysis B: Environmental 57 (4), 237-245, 2005 | 68 | 2005 |
| Process to upgrade whole crude oil by hot pressurized water and recovery fluid KH Choi US Patent 7,740,065, 2010 | 63 | 2010 |
| Analysis and removal of heteroatom containing species in coal liquid distillate over NiMo catalysts SDS Murti, KH Choi, K Sakanishi, O Okuma, Y Korai, I Mochida Fuel 84 (2-3), 135-142, 2005 | 57 | 2005 |
| Petroleum upgrading process KH Choi US Patent 8,394,260, 2013 | 49 | 2013 |
| Petroleum upgrading and desulfurizing process KH Choi, MF Aljishi US Patent 8,535,518, 2013 | 48 | 2013 |
| Preparation and characterization of nano-sized CoMo/Al2O3 catalyst for hydrodesulfurization KH Choi, Y Korai, I Mochida Applied Catalysis A: General 260 (2), 229-236, 2004 | 47 | 2004 |
| An approach to the deep hydrodesulfurization of light cycle oil KH Choi, Y Sano, Y Korai, I Mochida Applied Catalysis B: Environmental 53 (4), 275-283, 2004 | 45 | 2004 |
| Optimum coating of USY as a support component of NiMoS on alumina for deep HDS of gas oil N Kunisada, KH Choi, Y Korai, I Mochida, K Nakano Applied Catalysis A: General 276 (1-2), 51-59, 2004 | 44 | 2004 |
