All Outputs (29)

Structural and Acidic Properties of Ion-Exchanged Mazzite (2024)
Journal Article
Contini, A., Jendrlin, M., Al-Ani, A., & Zholobenko, V. (in press). Structural and Acidic Properties of Ion-Exchanged Mazzite. Neftekhimiya / Petroleum Chemistry, https://doi.org/10.1134/s0965544123110099

A range of modified MAZ and LTL zeolites have been prepared and ion-exchanged with a series of alkali metal cations. It has been shown that K, Rb and Cs can be readily introduced into the MAZ structure with ~2 cations ion-exchanged per unit cell. In... Read More about Structural and Acidic Properties of Ion-Exchanged Mazzite.

Liquid metals for boosting stability of zeolite catalysts in the conversion of methanol to hydrocarbons (2024)
Journal Article
Zhou, Y., Santos, S., Shamzhy, M., Marinova, M., Blanchenet, A., Kolyagin, Y. G., …Ordomsky, V. V. (in press). Liquid metals for boosting stability of zeolite catalysts in the conversion of methanol to hydrocarbons. Nature Communications, 15(1), 2228. https://doi.org/10.1038/s41467-024-46232-9

Methanol-to-hydrocarbons (MTH) process has been considered one of the most practical approaches for producing value-added products from methanol. However, the commonly used zeolite catalysts suffer from rapid deactivation due to coke deposition and r... Read More about Liquid metals for boosting stability of zeolite catalysts in the conversion of methanol to hydrocarbons.

Magnesium oxide loaded mesoporous silica: Synthesis, characterisation and use in removing lead and cadmium from water supplies (2023)
Journal Article
Saod, W., Oliver, I., Thompson, D., Holborn, S., Contini, A., Zholobenko, V., & Zholobenko, V. (2023). Magnesium oxide loaded mesoporous silica: Synthesis, characterisation and use in removing lead and cadmium from water supplies. Environmental Nanotechnology, Monitoring & Management, https://doi.org/10.1016/j.enmm.2023.100817

Water pollution by potentially toxic elements such as cadmium (Cd) and lead (Pb) is a persistent problem in many parts of the world. It continues to have profound implications for drinking water supplies, wastewater discharge and environmental qualit... Read More about Magnesium oxide loaded mesoporous silica: Synthesis, characterisation and use in removing lead and cadmium from water supplies.

Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY (2023)
Journal Article
Chitac, R. G., Zholobenko, V. L., Fletcher, R. S., Softley, E., Bradley, J., Mayoral, A., …Wright, P. A. (in press). Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY. Journal of the American Chemical Society, 145(40), 22097-22114. https://doi.org/10.1021/jacs.3c07873

The SWY-type aluminosilicate zeolite, STA-30, has been synthesized via different routes to understand its defect chemistry and solid acidity. The synthetic parameters varied were the gel aging, the Al source, and the organic structure directing agent... Read More about Synthetic Control of the Defect Structure and Hierarchical Extra-Large-/Small-Pore Microporosity in Aluminosilicate Zeolite SWY.

Zinc oxide – mesoporous silica nanocomposite: preparation, characterisation and application in water treatment for lead, cadmium and chromium removal (2023)
Journal Article
Saod, W. M., Oliver, I. W., Thompson, D. F., Contini, A., & Zholobenko, V. (in press). Zinc oxide – mesoporous silica nanocomposite: preparation, characterisation and application in water treatment for lead, cadmium and chromium removal. International Journal of Environmental Analytical Chemistry, 1-13. https://doi.org/10.1080/03067319.2023.2246016

Applications of nanomaterials in water and wastewater treatment and in environmental clean-up operations depend on the adsorption capacity of the materials for contaminants such as potentially toxic elements (PTEs). However, on their own nanoparticle... Read More about Zinc oxide – mesoporous silica nanocomposite: preparation, characterisation and application in water treatment for lead, cadmium and chromium removal.

Environmental Applications of Zeolites: Hydrophobic Sn-BEA as a Selective Gas Sensor for Exhaust Fumes (2023)
Journal Article
Dubray, F., Jendrlin, M., Grand, J., Lakiss, L., El Fallah, J., Mintova, S., …Zholobenko, V. (2023). Environmental Applications of Zeolites: Hydrophobic Sn-BEA as a Selective Gas Sensor for Exhaust Fumes. Chemistry, 334 - 347. https://doi.org/10.3390/chemistry5010025

Environmental monitoring of pollutants, such as NOx and COx, which can be facilitated by a range of gas sensors, is of considerable fundamental and practical importance. This work has been focused on the synthesis and evaluation of zeolite beta with... Read More about Environmental Applications of Zeolites: Hydrophobic Sn-BEA as a Selective Gas Sensor for Exhaust Fumes.

Thinglink and the Laboratory: Interactive Simulations of Analytical Instrumentation for HE Science Curricula (2022)
Journal Article
Jeffery, A. J., Rogers, S. L., Pringle, J. K., Zholobenko, V. L., Jeffery, K. L., Wisniewski, K. D., …Emley, D. W. (2022). Thinglink and the Laboratory: Interactive Simulations of Analytical Instrumentation for HE Science Curricula. Journal of Chemical Education, 2277-2290. https://doi.org/10.1021/acs.jchemed.1c01067

Access to laboratory facilities and associated instrumentation represents a major barrier to learning in physical science education, due to constraints introduced by limited time and financial resources, cost 20 of acquisition, and health and safety... Read More about Thinglink and the Laboratory: Interactive Simulations of Analytical Instrumentation for HE Science Curricula.

Extended reality (XR) virtual practical and educational eGaming to provide effective immersive environments for learning and teaching in forensic science (2022)
Journal Article
Hobson, L., Stimpson, I., Wisniewski, K., Pringle, J., Heaton, V., Zholobenko, V., …Rogers, S. (2022). Extended reality (XR) virtual practical and educational eGaming to provide effective immersive environments for learning and teaching in forensic science. Science and Justice, 62(6), 696-707. https://doi.org/10.1016/j.scijus.2022.04.004

Online virtual learning resources have been available for learning and teaching in forensic science for some years now, but the recent global COVID-19 related periods of irregular lockdown have necessitated the rapid development of these for teaching... Read More about Extended reality (XR) virtual practical and educational eGaming to provide effective immersive environments for learning and teaching in forensic science.

eXtended Reality (XR) virtual practical and educational eGaming to provide effective immersive environments for learning and teaching in forensic science (2022)
Journal Article
Wisniewski, Stimpson, Pringle, Rogers, Zholobenko, & Heaton. (2022). eXtended Reality (XR) virtual practical and educational eGaming to provide effective immersive environments for learning and teaching in forensic science. Science and Justice, 62(6), 696-707

Online virtual learning resources have been available for learning and teaching in forensic science for some years now, but the recent global COVID-19 related periods of irregular lockdown have necessitated the rapid development of these for teaching... Read More about eXtended Reality (XR) virtual practical and educational eGaming to provide effective immersive environments for learning and teaching in forensic science.

Performance modelling of zeolite-based potentiometric sensors (2021)
Journal Article
Jendrlin, M., Radu, A., Zholobenko, V., & Kirsanov, D. (2022). Performance modelling of zeolite-based potentiometric sensors. Sensors and Actuators B: Chemicall, 356, 131343. https://doi.org/10.1016/j.snb.2021.131343

Developing simple and cost-effective electrochemical sensors for widespread on-site application is of considerable practical importance in agriculture, environmental monitoring and food science. Among multiple sensing platforms, potentiometry is part... Read More about Performance modelling of zeolite-based potentiometric sensors.

Ion sensing pencil: Draw your own sensor (2021)
Journal Article
Kirsanov, D., Jendrlin, M., Khumngern, S., Numnuam, A., Thavarungkul, P., Kanatharana, P., …Radu, A. (2021). Ion sensing pencil: Draw your own sensor. Sensors and Actuators B: Chemicall, https://doi.org/10.1016/j.snb.2021.129751

We demonstrate for the first time the concept of ion sensing pencil (ISP). The pencil’s lead carries chemical sensing functionality and is constructed by compression of graphite and zeolite, while the clutch is prepared by 3D printing. The ISP can be... Read More about Ion sensing pencil: Draw your own sensor.

Stoichiometric methane conversion to ethane using photochemical looping at ambient temperature (2020)
Journal Article
Yu, X., Hu, D., Wu, D., Ordomsky, V., Khodakov, A., Zholobenko, V., & Moldovan, S. (2020). Stoichiometric methane conversion to ethane using photochemical looping at ambient temperature. https://doi.org/10.1038/s41560-020-0616-7

Methane activation and utilization are among the major challenges of modern science. Methane is potentially an important feedstock for manufacturing value-added fuels and chemicals. However, most known processes require excessive operating temperatur... Read More about Stoichiometric methane conversion to ethane using photochemical looping at ambient temperature.

Probing the acid sites of zeolites with pyridine: quantitative AGIR measurements of the molar absorption coefficients (2020)
Journal Article
Zholobenko. (2020). Probing the acid sites of zeolites with pyridine: quantitative AGIR measurements of the molar absorption coefficients. Journal of Catalysis, 52-60. https://doi.org/10.1016/j.jcat.2020.03.003

This study presents a detailed methodology, which combines high-precision thermogravimetry and FTIR spectroscopy, aiming to establish the most accurate and reliable means of measuring the molar absorption coefficients of adsorbed species. As the inte... Read More about Probing the acid sites of zeolites with pyridine: quantitative AGIR measurements of the molar absorption coefficients.

The effect of ZSM-5 zeolite crystal size on p-xylene selectivity in toluene disproportionation (2020)
Journal Article
Albahar, M., Li, C., Zholobenko, V., & Garforth, A. (2020). The effect of ZSM-5 zeolite crystal size on p-xylene selectivity in toluene disproportionation. Microporous and Mesoporous Materials, https://doi.org/10.1016/j.micromeso.2020.110221

The effect of crystal size was explored in this work aiming at enhancing p-xylene selectivity through toluene disproportionation over ZSM-5 zeolite. The different physicochemical properties of ZSM-5 were investigated using various characterization te... Read More about The effect of ZSM-5 zeolite crystal size on p-xylene selectivity in toluene disproportionation.

Effect of hydrogenative regeneration on the activity of beta and Pt-Beta zeolites during the transalkylation of toluene with 1,2,4-trimethylbenzene (2020)
Journal Article
Almulla, F., Zholobenko, V., Tedstone, A., Jumah, A., Aldossary, M., & Garforth, A. (2020). Effect of hydrogenative regeneration on the activity of beta and Pt-Beta zeolites during the transalkylation of toluene with 1,2,4-trimethylbenzene. Microporous and Mesoporous Materials, 109737 - 109737. https://doi.org/10.1016/j.micromeso.2019.109737

Catalyst deactivation remains a main challenge in the transalkylation process. To develop a cost-effective catalyst, improving the regeneration characteristics of Beta and Pt-Beta catalysts was investigated. Both Beta and Pt-Beta catalysts were studi... Read More about Effect of hydrogenative regeneration on the activity of beta and Pt-Beta zeolites during the transalkylation of toluene with 1,2,4-trimethylbenzene.

Correction: Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites (2019)
Journal Article
Al-Ani, A., Haslam, J. J. C., Mordvinova, N. E., Lebedev, O. I., Vicente, A., Fernandez, C., & Zholobenko, V. Correction: Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites. Nanoscale Advances, 1(10), 4174-4174. https://doi.org/10.1039/c9na90049g

Correction for ‘Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites’ by Aqeel Al-Ani et al., Nanoscale Adv., 2019, 1, 2029–2039.

Ion-exchanged Zeolite P as a Nanostructured Catalyst for Biodiesel Production (2019)
Journal Article
Al-Ani, A., Mordvinova, N., Lebedev, O., Khodakov, A., & Zholobenko, V. (2019). Ion-exchanged Zeolite P as a Nanostructured Catalyst for Biodiesel Production. Energy Reports, 357 -363. https://doi.org/10.1016/j.egyr.2019.03.003

Nano-crystalline synthetic gismondine modified via cation exchange has been utilised as a highly active and selective catalyst for the production of biofuel. In comparison with low silica zeolites FAU and LTA, K-form of gismondine, based on the maxim... Read More about Ion-exchanged Zeolite P as a Nanostructured Catalyst for Biodiesel Production.

The influence of precursors on the induction period and transition-regime of dimethyl ether conversion to hydrocarbons over ZSM-5 catalysts (2019)
Journal Article
Omojola, T., Lukyanov, D., Cherkasov, N., Zholobenko, V., & van Veen, A. (2019). The influence of precursors on the induction period and transition-regime of dimethyl ether conversion to hydrocarbons over ZSM-5 catalysts. Industrial & Engineering Chemistry Research, 16479-16488. https://doi.org/10.1021/acs.iecr.9b03344

ZSM-5 catalysts were subjected to step response cycles of dimethyl ether (DME) at 300 °C in a temporal analysis of products (TAP) reactor. Propylene is the major olefin and displays an S-shaped profile. A 44-min induction period occurs before primary... Read More about The influence of precursors on the induction period and transition-regime of dimethyl ether conversion to hydrocarbons over ZSM-5 catalysts.

Synthesis of Nanostructured Catalysts by Surfactant-Templating of Large-Pore Zeolites (2019)
Journal Article
Zholobenko, V., Mordvinova, N., Lebedev, O., Vicente, A., Haslam, J., Al-Ani, A., & fernandez, C. (2019). Synthesis of Nanostructured Catalysts by Surfactant-Templating of Large-Pore Zeolites. RSC advances, 2029-2039. https://doi.org/10.1039/C9NA00004F

Zeolites and related crystalline molecular sieves are utilised in a wide range of reactions and processes due to their regular microporous structure, strong acidity, shape selectivity and ion-exchange properties. However, their practical applications... Read More about Synthesis of Nanostructured Catalysts by Surfactant-Templating of Large-Pore Zeolites.

Correction: Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites (2019)
Journal Article
Al-Ani, A., Haslam, J. J. C., Mordvinova, N. E., Lebedev, O. I., Vicente, A., Fernandez, C., & Zholobenko, V. (in press). Correction: Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites. Nanoscale Advances, 1(5), 2041-2041. https://doi.org/10.1039/c9na90019e

Correction for ‘Synthesis of nanostructured catalysts by surfactant-templating of large-pore zeolites’ by Aqeel Al-Ani et al., Nanoscale Adv., 2019, DOI: 10.1039/c9na00004f.