Selective oxidation of cyclohexane in supercritical carbon dioxide by Yu, K, Abutaki, A, Zhou, Y, Yue, B, He, H, Tsang, S

Non-syngas direct steam reforming of methanol to hydrogen and carbon dioxide at low temperature. by Yu, K, Tong, W, West, A, Cheung, K, Li, T, Smith, G, Guo, Y, Tsang, S

“…A non-syngas direct steam reforming route is investigated for the conversion of methanol to hydrogen and carbon dioxide over a CuZnGaO(x) catalyst at 150-200 °C. …”

Micelle-hosted palladium nanoparticles catalyze citral molecule hydrogenation in supercritical carbon dioxide. by Meric, P, Yu, K, Tsang, S

“…A new approach of employing metal particles in micelles for the hydrogenation of organic molecules in the presence of fluorinated surfactant and water in supercritical carbon dioxide has very recently been introduced. This is allegedly to deliver many advantages for carrying out catalysis including the use of supercritical carbon dioxide (scCO2) as a greener solvent. …”

Micelle-hosted palladium nanoparticles catalyze citral molecule hydrogenation in supercritical carbon dioxide by Meric, P, Yu, K, Tsang, S

“…A new approach of employing metal particles in micelles for the hydrogenation of organic molecules in the presence of fluorinated surfactant and water in supercritical carbon dioxide has very recently been introduced. This is allegedly to deliver many advantages for carrying out catalysis including the use of supercritical carbon dioxide (scCO 2) as a greener solvent. …”

Pressure-dependent product distribution of citral hydrogenation over micelle-hosted Pd and Ru nanoparticles in supercritical carbon dioxide by Meric, P, Yu, K, Kong, A, Tsang, S

Pressure-dependent product distribution of citral hydrogenation over micelle-hosted Pd and Ru nanoparticles in supercritical carbon dioxide by Meric, P, Yu, K, Kong, A, Tsang, S

“…In situ synthesis and testing of Ru and Pd nanoparticles as catalysts in the presence of ammonium perfluorohydrocarbo-carboxylate surfactant in supercritical carbon dioxide were carried out in a stainless steel batch reactor at 40 °C over a pressure range of 80-150 bar CO 2/H 2. …”

Selective catalytic oxidation of alkylaromatic molecules by nanosize water droplets containing Co2+ species in supercritical carbon dioxide fluid by Tsang, S, Zhu, J, Yu, K

A Study of Methyl Formate Production from Carbon Dioxide Hydrogenation in Methanol over a Copper Zinc Oxide Catalyst by Yu, K, Tsang, S

Carbon dioxide fixation into chemicals (methyl formate) at high yields by surface coupling over a Pd/Cu/ZnO nanocatalyst. by Yu, K, Yeung, C, Tsang, S

A new oxidation catalyst system using fluorous cobalt(II) species in water-supercritical carbon dioxide (C-H free environment) by Tsang, S, Zhu, J, Yu, K

“…Stabilized water droplet dispersed in supercritical carbon dioxide fluid is demonstrated to be an excellent alternative solvent system to acetic acid for air oxidation of a number of alkyl aromatic hydrocarbons using Co(II) species at mild conditions. © 2006 Springer Science+Business Media, Inc.…”

A new oxidation catalyst system using fluorous cobalt(II) species in water-supercritical carbon dioxide (C-H free environment) by Tsang, S, Zhu, J, Yu, K

Catalytic coupling of CO2 with epoxide over supported and unsupported amines. by Yu, K, Curcic, I, Gabriel, J, Morganstewart, H, Tsang, S

“…Catalytic coupling of carbon dioxide with epoxide to cyclic carbonate is an important reaction that has recently been receiving renewed interest. …”

Molecular guided catalytic hydrogenation by micelle-hosted Pd nanoparticle in supercritical CO2 by Meric, P, Yu, K, Tsang, S

“…Homogeneous dispersion of microemulsion containing palladium nanoparticles in scCO2 is, for the first time, observed via sapphire window reactor and these particles show an unusual reluctance for double bond hydrogenation of citral aldehyde at hydrophobic end rather than hydrophilic end (high regioselectivity) owing to the unique micelle environment in supercritical carbon dioxide that guide a head-on attack of the molecule.…”

Micelle-hosted bimetallic Pd-Ru nanoparticle for in situ catalytic hydrogenation in supercritical CO2 by Yu, K, Meric, P, Tsang, S

“…Bimetallic Pd-Ru nanoparticles of different elemental ratios are prepared via in situ reduction of their simple salts in reverse micelles in supercritical carbon dioxide (scCO2). The optimised Pd:Ru (1:1) nanoparticle shows the highest activity for hydrogenation of functionalised alkene under mild conditions, which can be easily recycled under the reaction conditions without use of organic solvent. © 2006 Elsevier B.V. …”

Direct methanol steam reforming to hydrogen over CuZnGaOx catalysts without CO post-treatment: mechanistic considerations. by Tong, W, Cheung, K, West, A, Yu, K, Tsang, S

“…Utilization of hydrogen gas (and carbon dioxide) from methanol steam reforming reaction directly without CO post-treatment to supply proton exchange membrane fuel cells for mobile applications is an attractive option. …”

Recent advances in CO2 capture and utilization. by Yu, K, Curcic, I, Gabriel, J, Tsang, S

“…It is agreed that carbon dioxide produced from the combustion process to be the most important anthropogenic greenhouse gas leading to global warming. …”

Recent advances in CO2 capture and utilization. by Yu, K, Curcic, I, Gabriel, J, Tsang, S

“…It is agreed that carbon dioxide produced from the combustion process to be the most important anthropogenic greenhouse gas leading to global warming. …”