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A thermo-kinetic investigation on the thermal degradation of polyvinyl chloride in the presence of magnetite and hematite (2022)
Journal Article
Altarawneh, S., Al-Harahsheh, M., Buttress, A., Dodds, C., & Kingman, S. (2022). A thermo-kinetic investigation on the thermal degradation of polyvinyl chloride in the presence of magnetite and hematite. Thermochimica Acta, 718, Article 179390. https://doi.org/10.1016/j.tca.2022.179390

Electric arc furnace dust (EAFD) which is accumulated in large amounts world-wide contains hematite (Fe2O3) and significant quantities of magnetite (Fe3O4). Waste polyvinyl chloride (PVC) also poses a great environmental threat aside to accumulated E... Read More about A thermo-kinetic investigation on the thermal degradation of polyvinyl chloride in the presence of magnetite and hematite.

Thermodynamic, pyrolytic, and kinetic investigation on the thermal decomposition of polyvinyl chloride in the presence of franklinite (2022)
Journal Article
Altarawneh, S., Al-Harahsheh, M., Dodds, C., Buttress, A., & Kingman, S. (2022). Thermodynamic, pyrolytic, and kinetic investigation on the thermal decomposition of polyvinyl chloride in the presence of franklinite. Process Safety and Environmental Protection, 168, 558-569. https://doi.org/10.1016/j.psep.2022.10.028

Thermal co-treatment of Electric Arc Furnace Dust (EAFD) and polyvinyl chloride (PVC) may provide a viable route for reprocessing these hazardous materials within the circular economy. To develop and optimise a commercial treatment process, the compl... Read More about Thermodynamic, pyrolytic, and kinetic investigation on the thermal decomposition of polyvinyl chloride in the presence of franklinite.

S-band elliptical–cylindrical cavity resonator for material processing (2022)
Journal Article
Rodriguez, J., Ampuero, J., Valderrama, W., Buttress, A., Dodds, C., Kingman, S., & Carrasco, H. (2022). S-band elliptical–cylindrical cavity resonator for material processing. Microwave and Optical Technology Letters, 64(12), 2160-2164. https://doi.org/10.1002/mop.33431

The development of an elliptical–cylindrical cavity for microwave thermal processing of materials at high electric field strengths is reported. The design methodology based on numerical modeling is validated by experimental measurements. The system c... Read More about S-band elliptical–cylindrical cavity resonator for material processing.

Thermal degradation kinetics of polyvinyl chloride in presence of zinc oxide (2021)
Journal Article
Altarawneh, S., Al-Harahsheh, M., Dodds, C., Buttress, A., & Kingman, S. (2022). Thermal degradation kinetics of polyvinyl chloride in presence of zinc oxide. Thermochimica Acta, 707, Article 179105. https://doi.org/10.1016/j.tca.2021.179105

This work investigates the degradation kinetics and the pyrolysis behavior of Poly (vinyl chloride) (PVC) and its mixture with ZnO using thermogravimetric analysis under an inert atmosphere. The investigation was carried out due to the increased inte... Read More about Thermal degradation kinetics of polyvinyl chloride in presence of zinc oxide.

Microwave selective heating of electric arc furnace dust constituents toward sustainable recycling: Contribution of electric and magnetic fields (2021)
Journal Article
Altarawneh, S., Al-Harahsheh, M., Buttress, A., Dodds, C., Rodriguez, J., & Kingman, S. (2021). Microwave selective heating of electric arc furnace dust constituents toward sustainable recycling: Contribution of electric and magnetic fields. Journal of Industrial and Engineering Chemistry, 104, 521-528. https://doi.org/10.1016/j.jiec.2021.09.001

Microwave heating of waste electric arc furnace dust (EAFD) for the purpose of its remediation has been studied extensively. However, these studies considered EAFD as a bulk material without addressing either the relative response of its individual c... Read More about Microwave selective heating of electric arc furnace dust constituents toward sustainable recycling: Contribution of electric and magnetic fields.

Green and simple approach for low-cost bioproducts preparation and CO2 capture (2021)
Journal Article
Durán-Jiménez, G., Kostas, E. T., Stevens, L. A., Meredith, W., Erans, M., Hernández-Montoya, V., …Binner, E. (2021). Green and simple approach for low-cost bioproducts preparation and CO2 capture. Chemosphere, 279, Article 130512. https://doi.org/10.1016/j.chemosphere.2021.130512

This study has demonstrated, for the first time, a simple, fast and flexible microwave processing method for the simultaneous preparation of bio-products (bio-oil, bio-gas and biochar) using a methodology that avoids any form of catalyst or chemical... Read More about Green and simple approach for low-cost bioproducts preparation and CO2 capture.

Design and optimisation of a microwave reactor for kilo-scale polymer synthesis (2019)
Journal Article
Buttress, A., Hargreaves, G., Ilchev, A., Monti, T., Sklavounou, A., Katrib, J., …Dodds, C. (2019). Design and optimisation of a microwave reactor for kilo-scale polymer synthesis. Chemical Engineering Science: X, 2, 1-13. https://doi.org/10.1016/j.cesx.2019.100022

Current industrial production of polymer resins is generally undertaken in large multi-tonne stirred tank reactors. These are characterised by relatively slow heating and cooling cycles, resulting in long vessel cycle times and extended production ca... Read More about Design and optimisation of a microwave reactor for kilo-scale polymer synthesis.

Production of high purity silica by microfluidic-inclusion fracture using microwave pre-treatment (2018)
Journal Article
Buttress, A., Rodriguez, J., Ure, A., Ferrari, R., Dodds, C., & Kingman, S. (2019). Production of high purity silica by microfluidic-inclusion fracture using microwave pre-treatment. Minerals Engineering, 131, 407-419. https://doi.org/10.1016/j.mineng.2018.11.025

© 2018 Demand for high purity silica used in component manufacture is set to outstrip current supply in the near future. As such, alternative processing routes to feed-stock materials suitable for use in lighting and solar cell fabrication are requir... Read More about Production of high purity silica by microfluidic-inclusion fracture using microwave pre-treatment.

Understanding the scabbling of concrete using microwave energy (2015)
Journal Article
Buttress, A., Jones, D., Dodds, C., Dimitrakis, G., Dawson, A., & Kingman, S. (in press). Understanding the scabbling of concrete using microwave energy. Cement and Concrete Research, 75, https://doi.org/10.1016/j.cemconres.2015.04.009

This paper reports on the use of microwave energy to scabble concrete. While the technique is not new, little information exists relating to the controllability of the process, the effect of different types of concrete and the performance and durabil... Read More about Understanding the scabbling of concrete using microwave energy.

Microwave processing of cement and concrete materials - towards an industrial reality? (2015)
Journal Article
Buttress, A., Jones, D., & Kingman, S. (2015). Microwave processing of cement and concrete materials - towards an industrial reality?. Cement and Concrete Research, 68, https://doi.org/10.1016/j.cemconres.2014.11.002

Each year a substantial body of literature is published on the use of microwaves to process cement and concrete materials. Yet to date, very few if any have lead the realisation of a commercial scale industrial system and is the context under which t... Read More about Microwave processing of cement and concrete materials - towards an industrial reality?.