All Outputs (49)

Phenol is its own selectivity promoter in low-temperature liquid-phase hydrogenation (2024)
Journal Article
Bell, J., Poncet, A., Li, L., Zachariou, A., Whiston, K., & Beaumont, S. K. (2024). Phenol is its own selectivity promoter in low-temperature liquid-phase hydrogenation. Catalysis Today, 441, Article 114875. https://doi.org/10.1016/j.cattod.2024.114875

Phenol hydrogenation is widely studied for selective production of the chemical intermediate cyclohexanone. A plethora of studies in the literature have reported catalysts aiming to achieve high selectivity compared to Pd/C. However, we demonstrate t... Read More about Phenol is its own selectivity promoter in low-temperature liquid-phase hydrogenation.

Catalytic pyrolysis of plastic waste using metal-incorporated activated carbons for monomer recovery and carbon nanotube synthesis (2024)
Journal Article
Martínez-Narro, G., Phan, H. H., Hassan, S., Beaumont, S. K., & Phan, A. N. (2024). Catalytic pyrolysis of plastic waste using metal-incorporated activated carbons for monomer recovery and carbon nanotube synthesis. Journal of Environmental Chemical Engineering, 12(2), Article 112226. https://doi.org/10.1016/j.jece.2024.112226

As the global plastic waste crisis intensifies, innovative and sustainable solutions are urgently needed. This study evaluated waste-derived metal-incorporated activated carbon (AC) catalysts for the pyrolysis of mixed plastic waste... Read More about Catalytic pyrolysis of plastic waste using metal-incorporated activated carbons for monomer recovery and carbon nanotube synthesis.

Evidence for Suzuki–Miyaura cross-couplings catalyzed by ligated Pd3-clusters: from cradle to grave (2024)
Journal Article
Jeddi, N., Scott, N. W., Tanner, T., Beaumont, S. K., & Fairlamb, I. J. (2024). Evidence for Suzuki–Miyaura cross-couplings catalyzed by ligated Pd3-clusters: from cradle to grave. Chemical Science, https://doi.org/10.1039/D3SC06447F

Pdn clusters offer unique selectivity and exploitable reactivity in catalysis. Understanding the behavior of Pdn clusters is thus critical for catalysis, applied synthetic organic chemistry and greener outcomes for precious Pd. The Pd3 cluster, [Pd3(... Read More about Evidence for Suzuki–Miyaura cross-couplings catalyzed by ligated Pd3-clusters: from cradle to grave.

Mechanistic Insights into Molecular Crystalline Organometallic Heterogeneous Catalysis through Parahydrogen-Based Nuclear Magnetic Resonance Studies (2023)
Journal Article
Gyton, M. R., Royle, C. G., Beaumont, S. K., Duckett, S. B., & Weller, A. S. (2023). Mechanistic Insights into Molecular Crystalline Organometallic Heterogeneous Catalysis through Parahydrogen-Based Nuclear Magnetic Resonance Studies. Journal of the American Chemical Society, 145(4), 2619-2629. https://doi.org/10.1021/jacs.2c12642

The heterogeneous solid–gas reactions of crystals of [Rh(L2)(propene)][BArF4] (1, L2 = tBu2PCH2CH2PtBu2) with H2 and propene, 1-butene, propyne, or 1-butyne are explored by gas-phase nuclear magnetic resonance (NMR) spectroscopy under batch condition... Read More about Mechanistic Insights into Molecular Crystalline Organometallic Heterogeneous Catalysis through Parahydrogen-Based Nuclear Magnetic Resonance Studies.

High-Ionic-Strength Wastewater Treatment via Catalytic Wet Oxidation over a MnCeOx Catalyst (2022)
Journal Article
Ou, X., Daly, H., Fan, X., Beaumont, S. K., Chansai, S., Garforth, A., …Hardacre, C. (2022). High-Ionic-Strength Wastewater Treatment via Catalytic Wet Oxidation over a MnCeOx Catalyst. ACS Catalysis, 12(13), 7598-7608. https://doi.org/10.1021/acscatal.2c01952

Catalytic wastewater treatment has rarely been applied to treat high-ionic-strength wastewater (HISWW) as it contains large amounts of catalyst poisons (e.g., Cl–). This work investigates the catalytic wet oxidation (CWO) of phenol over a MnCeOx cata... Read More about High-Ionic-Strength Wastewater Treatment via Catalytic Wet Oxidation over a MnCeOx Catalyst.

Effect of concentrated NaCl on catalytic wet oxidation (CWO) of short chain carboxylic acids (2022)
Journal Article
Ou, X., Daly, H., Chansai, S., Beaumont, S., Fan, X., & Hardacre, C. (2022). Effect of concentrated NaCl on catalytic wet oxidation (CWO) of short chain carboxylic acids. Catalysis Communications, 162, https://doi.org/10.1016/j.catcom.2021.106395

The effect of concentrated NaCl (200 g L−1) on CWO of oxalic acid and acetic acid over MnCeOx was investigated at 110 °C and 0.5 MPa O2 to explore the potential of using CWO for shale gas wastewater treatment. The presence of concentrated NaCl hinder... Read More about Effect of concentrated NaCl on catalytic wet oxidation (CWO) of short chain carboxylic acids.

Atom efficient PtCu bimetallic catalysts and ultra dilute alloys for the selective hydrogenation of furfural (2020)
Journal Article
Taylor, M. J., Beaumont, S. K., Islam, M. J., Tsatsos, S., Parlett, C. A., Issacs, M. A., & Kyriakou, G. (2021). Atom efficient PtCu bimetallic catalysts and ultra dilute alloys for the selective hydrogenation of furfural. Applied Catalysis B: Environmental, 284, https://doi.org/10.1016/j.apcatb.2020.119737

A range of Pt:Cu bimetallic nanoparticles were investigated for the liquid-phase selective hydrogenation of furfural, an important platform biomass feedstock. Alloying of the two metals had a profound effect on the overall catalytic activity, providi... Read More about Atom efficient PtCu bimetallic catalysts and ultra dilute alloys for the selective hydrogenation of furfural.

Capture and Release Recyclable Dimethylaminomethyl-Calixarene Functional Cloths for Point-of-Use Removal of Highly Toxic Chromium Water Pollutants (2020)
Journal Article
Bieber, V. S., Ozcelik, E., Cox, H. J., Ottley, C. J., Ratan, J. K., Karaman, M., …Badyal, J. P. S. (2020). Capture and Release Recyclable Dimethylaminomethyl-Calixarene Functional Cloths for Point-of-Use Removal of Highly Toxic Chromium Water Pollutants. ACS Applied Materials and Interfaces, 12(46), 52136-52145. https://doi.org/10.1021/acsami.0c14772

Chromium(VI) contamination of drinking water arises from industrial activity wherever there is a lack of environmental legislation enforcement regarding the removal of such pollutants. Although it is possible to remove such harmful metal ions from dr... Read More about Capture and Release Recyclable Dimethylaminomethyl-Calixarene Functional Cloths for Point-of-Use Removal of Highly Toxic Chromium Water Pollutants.

A spatially orthogonal hierarchically porous acid–base catalyst for cascade and antagonistic reactions (2020)
Journal Article
Isaacs, M. A., Parlett, C. M., Robinson, N., Durndell, L. J., Manayil, J. C., Beaumont, S. K., …Lee, A. F. (2020). A spatially orthogonal hierarchically porous acid–base catalyst for cascade and antagonistic reactions. Nature Catalysis, 3(11), 921-931. https://doi.org/10.1038/s41929-020-00526-5

Complex organic molecules are of great importance to research and industrial chemistry and typically synthesized from smaller building blocks by multistep reactions. The ability to perform multiple (distinct) transformations in a single reactor would... Read More about A spatially orthogonal hierarchically porous acid–base catalyst for cascade and antagonistic reactions.

Nickel-Catalysed Vapour-Phase Hydrogenation of Furfural, Insights into Reactivity and Deactivation (2020)
Journal Article
MacIntosh, K. L., & Beaumont, S. K. (2020). Nickel-Catalysed Vapour-Phase Hydrogenation of Furfural, Insights into Reactivity and Deactivation. Topics in Catalysis, 63, 1446-1462. https://doi.org/10.1007/s11244-020-01341-9

Furfural is a key bioderived platform molecule, and its hydrogenation affords access to a number of important chemical intermediates that can act as “drop-in” replacements to those derived from crude oil or novel alternatives with desirable propertie... Read More about Nickel-Catalysed Vapour-Phase Hydrogenation of Furfural, Insights into Reactivity and Deactivation.

Soft XAS as an in situ technique for the study of heterogeneous catalysts (2020)
Journal Article
Beaumont, S. K. (2020). Soft XAS as an in situ technique for the study of heterogeneous catalysts. Physical Chemistry Chemical Physics, 22(34), 18747-18756. https://doi.org/10.1039/d0cp00657b

Soft x-ray absorption in situ studies of heterogeneous catalysts have been applied to areas such as copper methanol oxidation catalysts and cobalt Fischer-Tropsch type catalysts over a period of around two decades. The technique has the potential to... Read More about Soft XAS as an in situ technique for the study of heterogeneous catalysts.

Catalytic applications of layered double hydroxides in biomass valorisation (2019)
Journal Article
Song, Y., Beaumont, S., Zhang, X., Wilson, K., & Lee, A. F. (2020). Catalytic applications of layered double hydroxides in biomass valorisation. Current Opinion in Green and Sustainable Chemistry, 22, 29-38. https://doi.org/10.1016/j.cogsc.2019.11.005

Catalysis has a rich history of facilitating energy-efficient, selective molecular transformations and contributes to 90% of current chemical manufacturing processes. In a postpetroleum era, catalysis will be pivotal in overcoming the scientific and... Read More about Catalytic applications of layered double hydroxides in biomass valorisation.

Shape-Persistent Porous Organic Cage Supported Palladium Nanoparticles as Heterogeneous Catalytic Materials (2019)
Journal Article
Jiang, S., Cox, H., Papaioannou, E., Tang, C., Liu, H., Murdoch, B. J., …Beaumont, S. K. (2019). Shape-Persistent Porous Organic Cage Supported Palladium Nanoparticles as Heterogeneous Catalytic Materials. Nanoscale, 11(31), 14929-14936. https://doi.org/10.1039/c9nr04553h

Porous Organic Cages (POCs) are an emerging class of self-assembling, porous materials with novel properties. They offer a key advantage over other porous materials in permitting facile solution processing and re-assembly. The combination of POCs wit... Read More about Shape-Persistent Porous Organic Cage Supported Palladium Nanoparticles as Heterogeneous Catalytic Materials.

Comprehensive Experimental and Theoretical Study of the CO + NO Reaction Catalyzed by Au/Ni Nanoparticles (2019)
Journal Article
Kyriakou, G., Márquez, A. M., Holgado, J. P., Taylor, M. J., Wheatley, A. E., Mehta, J. P., …Lambert, R. M. (2019). Comprehensive Experimental and Theoretical Study of the CO + NO Reaction Catalyzed by Au/Ni Nanoparticles. ACS Catalysis, 9, 4919-4929. https://doi.org/10.1021/acscatal.8b05154

The catalytic and structural properties of five different nanoparticle catalysts with varying Au/Ni composition were studied by six different methods, including in situ X-ray absorption spectroscopy and density functional theory (DFT) calculations. T... Read More about Comprehensive Experimental and Theoretical Study of the CO + NO Reaction Catalyzed by Au/Ni Nanoparticles.

Monometallic and bimetallic catalysts based on Pd, Cu and Ni for hydrogen transfer deoxygenation of a prototypical fatty acid to diesel range hydrocarbons (2019)
Journal Article
Cheah, K. W., Taylor, M. J., Osatiashtiani, A., Beaumont, S. K., Nowakowski, D. J., Yusup, S., …Kyriakou, G. (2020). Monometallic and bimetallic catalysts based on Pd, Cu and Ni for hydrogen transfer deoxygenation of a prototypical fatty acid to diesel range hydrocarbons. Catalysis Today, 355, 882-892. https://doi.org/10.1016/j.cattod.2019.03.017

Bimetallic PdxNi(100-x) and PdxCu(100-x) structures of a wide compositional range supported on activated carbon were synthesised via a simple, cheap and commercially relevant method. The surface and bulk properties of both the bimetallic structures a... Read More about Monometallic and bimetallic catalysts based on Pd, Cu and Ni for hydrogen transfer deoxygenation of a prototypical fatty acid to diesel range hydrocarbons.

Catalysis of the Oxygen Evolution Reaction by 4–10 nm Cobalt Nanoparticles (2018)
Journal Article
Locke, E., Jiang, S., & Beaumont, S. K. (2018). Catalysis of the Oxygen Evolution Reaction by 4–10 nm Cobalt Nanoparticles. Topics in Catalysis, 61(9-11), 977-985. https://doi.org/10.1007/s11244-018-0923-4

Electrolysis of water is key technology, not only for clean energy production, but to ensure a continued supply of hydrogen beyond fossil resources, essential to the manufacture of many chemical goods other than fuels. Cobalt nanomaterials have been... Read More about Catalysis of the Oxygen Evolution Reaction by 4–10 nm Cobalt Nanoparticles.

Palladium–poly(ionic liquid) membranes for permselective sonochemical flow catalysis (2018)
Journal Article
Wilson, M., Kore, R., Ritchie, A., Fraser, R., Beaumont, S., Srivastava, R., & Badyal, J. (2018). Palladium–poly(ionic liquid) membranes for permselective sonochemical flow catalysis. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 545, 78-85. https://doi.org/10.1016/j.colsurfa.2018.02.044

Anisotropic palladium–poly(ionic liquid) catalyst membranes have been prepared by complexation of palladium(II) chloride to poly(ionic liquid) functionalised flexible porous substrates. The practical viability of these low loading (sub 0.1 mol%) pall... Read More about Palladium–poly(ionic liquid) membranes for permselective sonochemical flow catalysis.

Evidence for a Localized Source of the Argon in the Lunar Exosphere (2017)
Journal Article
Kegerreis, J. A., Eke, V. R., Massey, R. J., Beaumont, S. K., Elphic, R. C., & Teodoro, L. F. (2017). Evidence for a Localized Source of the Argon in the Lunar Exosphere. Journal of Geophysical Research: Planets, 122(10), 2163-2181. https://doi.org/10.1002/2017je005352

We perform the first tests of various proposed explanations for observed features of the Moon's argon exosphere, including models of the following: spatially varying surface interactions; a source that reflects the lunar near-surface potassium distri... Read More about Evidence for a Localized Source of the Argon in the Lunar Exosphere.

Multi-Dimensional Multi-Functional Catalytic Architecture: A Selectively Functionalized Three-Dimensional Hierarchically Ordered Macro/Mesoporous Network for Cascade Reactions Analyzed by Electron Tomography (2017)
Journal Article
Leary, R., Parlett, C., Barnard, J., de la Pena, F., Isaacs, M., Beaumont, S., …Midgley, P. (2017). Multi-Dimensional Multi-Functional Catalytic Architecture: A Selectively Functionalized Three-Dimensional Hierarchically Ordered Macro/Mesoporous Network for Cascade Reactions Analyzed by Electron Tomography. Microscopy and Microanalysis, 23(S1), 2042-2043. https://doi.org/10.1017/s143192761701087x

Catalytic Hydrogenation and Hydrodeoxygenation of Furfural over Pt(111): A Model System for the Rational Design and Operation of Practical Biomass Conversion Catalysts (2017)
Journal Article
Taylor, M. J., Jiang, L., Reichert, J., Papageorgiou, A. C., Beaumont, S. K., Wilson, K., …Kyriakou, G. (2017). Catalytic Hydrogenation and Hydrodeoxygenation of Furfural over Pt(111): A Model System for the Rational Design and Operation of Practical Biomass Conversion Catalysts. Journal of Physical Chemistry C, 121(15), 8490-8497. https://doi.org/10.1021/acs.jpcc.7b01744

Furfural is a key bioderived platform chemical whose reactivity under hydrogen atmospheres affords diverse chemical intermediates. Here, temperature-programmed reaction spectrometry and complementary scanning tunneling microscopy (STM) are employed t... Read More about Catalytic Hydrogenation and Hydrodeoxygenation of Furfural over Pt(111): A Model System for the Rational Design and Operation of Practical Biomass Conversion Catalysts.