All Outputs (532)

Nanocarbons from acid pretreated waste coffee grounds using microwave radiation (2017)
Journal Article
Zein, S. H., Gyamera, B. A., & Skoulou, V. K. (2017). Nanocarbons from acid pretreated waste coffee grounds using microwave radiation. Materials letters, 193, 46-49. https://doi.org/10.1016/j.matlet.2017.01.100

This study investigates the use of microwave radiation to produce nanocarbons from Waste Coffee Grounds (WCG). It is first step to demonstrate the potential of integrating the microwave power to conventional methods of carbonaceous materials and nano... Read More about Nanocarbons from acid pretreated waste coffee grounds using microwave radiation.

Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework (2017)
Journal Article
Ismail, M. S., Ingham, D. B., Ma, L., Hughes, K. J., & Pourkashanian, M. (2017). Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework. Energy, 122, 420-430. https://doi.org/10.1016/j.energy.2017.01.092

A multi-scale modelling framework is developed for the PEFC cathode electrode. Unlike the conventional agglomerate model, the effects of the microstructure of the agglomerate are numerically coupled to the fuel cell-scale model in this framework. Thi... Read More about Effects of catalyst agglomerate shape in polymer electrolyte fuel cells investigated by a multi-scale modelling framework.

Possibilities of upgrading solid underutilized lingo-cellulosic feedstock (carob pods) to liquid bio-fuel: Bio-ethanol production and electricity generation in fuel cells - A critical appraisal of the required processes (2017)
Journal Article
Skoulou, V. K., & Vourdoubas, J. (2017). Possibilities of upgrading solid underutilized lingo-cellulosic feedstock (carob pods) to liquid bio-fuel: Bio-ethanol production and electricity generation in fuel cells - A critical appraisal of the required processes. Studies in Engineering and Technology, 4(1), 25-34. https://doi.org/10.11114/set.v4i1.2170

The exploitation of rich in sugars lingo-cellulosic residue of carob pods for bio-ethanol and bio-electricity generation has been investigated. The process could take place in two (2) or three (3) stages including: a) bio-ethanol production originate... Read More about Possibilities of upgrading solid underutilized lingo-cellulosic feedstock (carob pods) to liquid bio-fuel: Bio-ethanol production and electricity generation in fuel cells - A critical appraisal of the required processes.

Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates (2017)
Journal Article
Kaur, A., Ibhadon, A., & Kansal, S. K. (2017). Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates. Journal of materials science, 52(9), 5256-5267. https://doi.org/10.1007/s10853-017-0766-6

In this study, Ag-doped ZnO microplates were prepared via precipitation technique and further characterized by FESEM, EDS, XRD, FTIR, TGA, XPS, UV-DRS and RT-PL techniques. The outcomes indicated that Ag+ ions were well incorporated into ZnO lattice... Read More about Photocatalytic degradation of ketorolac tromethamine (KTC) drug in aqueous phase using prepared Ag-doped ZnO microplates.

Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio (2017)
Presentation / Conference Contribution
Mehdawi, M., Riley, N. G., Fanan, A., & Ammar, M. (2016, November). Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio. Presented at 24th Telecommunications Forum, TELFOR 2016

© 2016 IEEE. Cognitive radio (CR) has been proposed as a solution to the spectrum scarcity problem, which is aggravated by emergence of bandwidth-hungry and feature-rich wireless applications. Selection of appropriate antennas for cognitive radio app... Read More about Influence of antenna selection on spectrum occupancy measurements in the context of cognitive radio.

A techno-economic comparison of Fischer–Tropsch and fast pyrolysis as ways of utilizing sugar cane bagasse in transportation fuels production. (2017)
Journal Article
Michailos, S., Parker, D., & Webb, C. (2017). A techno-economic comparison of Fischer–Tropsch and fast pyrolysis as ways of utilizing sugar cane bagasse in transportation fuels production. Chemical engineering research & design : transactions of the Institution of Chemical Engineers, 118, 206-214. https://doi.org/10.1016/j.cherd.2017.01.001

Due to limited biomass availability, the establishment of optimal route biofuel value chains (one conversion route for each feedstock) is a key prerequisite for a feasible bioenergy sector. This way, biorefineries can take advantage of the economies... Read More about A techno-economic comparison of Fischer–Tropsch and fast pyrolysis as ways of utilizing sugar cane bagasse in transportation fuels production..

Tailored mesoporous silica supports for Ni catalysed hydrogen production from ethanol steam reforming (2016)
Journal Article
Parlett, C. M., Aydin, A., Durndell, L. J., Frattini, L., Isaacs, M. A., Lee, A. F., Liu, X., Olivi, L., Trofimovaite, R., Wilson, K., & Wu, C. (2017). Tailored mesoporous silica supports for Ni catalysed hydrogen production from ethanol steam reforming. Catalysis communications, 91, 76-79. https://doi.org/10.1016/j.catcom.2016.12.021

Mesoporous silica supported Ni nanoparticles have been investigated for hydrogen production from ethanol steam reforming. Ethanol reforming is structure-sensitive over Ni, and also dependent on support mesostructure; three-dimensional KIT-6 possessin... Read More about Tailored mesoporous silica supports for Ni catalysed hydrogen production from ethanol steam reforming.

Comparative Analysis of Synthetic Natural Gas versus Hydrogen Production from Bagasse (2016)
Journal Article
Michailos, S., Parker, D., & Webb, C. (2017). Comparative Analysis of Synthetic Natural Gas versus Hydrogen Production from Bagasse. Chemical Engineering & Technology, 40(3), 546-554. https://doi.org/10.1002/ceat.201600424

A rigorous and comparative evaluation of two biomass-to-gases (BtG) conversion routes was performed and, according to this outcome, it is suggested which of the options evaluated is most desirable. These options, the hydrogen and synthetic natural ga... Read More about Comparative Analysis of Synthetic Natural Gas versus Hydrogen Production from Bagasse.

Effect of pressure on the efficiency of nickel and nickel-copper catalysts in decomposition of methane (2016)
Journal Article
Kuvshinov, G. G., Popov, M. V., Tonkodubov, S. E., & Kuvshinov, D. G. (2016). Effect of pressure on the efficiency of nickel and nickel-copper catalysts in decomposition of methane. Russian Journal of Applied Chemistry / Zhurnal Prikladnoi Khimii, 89(11), 1777-1785. https://doi.org/10.1134/S1070427216110070

Methane decomposition into hydrogen and nanofibrous carbon in the presence of high-percentage catalysts (70–90)% Ni–(0–20)% Cu–10% Al at a temperature of 948 K and pressures of 1 to 5 atm was studied in order to develop a technology for enrichment of... Read More about Effect of pressure on the efficiency of nickel and nickel-copper catalysts in decomposition of methane.

Development of Fe-promoted Ni-Al catalyst for hydrogen production from gasification of wood sawdust (2016)
Journal Article
Dong, L., Wu, C., Ling, H., Shi, J., Williams, P. T., & Huang, J. (2017). Development of Fe-promoted Ni-Al catalyst for hydrogen production from gasification of wood sawdust. Energy and Fuels, 31(3), 2118-2127. https://doi.org/10.1021/acs.energyfuels.6b02050

The production of renewable hydrogen enriched gas from biomass waste is a promising technology for the development of a sustainable economy and society. Until now, there are still challenges of the technology in terms of the efficiency of hydrogen pr... Read More about Development of Fe-promoted Ni-Al catalyst for hydrogen production from gasification of wood sawdust.

Promoting hydrogen production and minimizing catalyst deactivation from the pyrolysis-catalytic steam reforming of biomass on nanosized NiZnAlOx catalysts (2016)
Journal Article
Dong, L., Wu, C., Ling, H., Shi, J., Williams, P. T., & Huang, J. (2017). Promoting hydrogen production and minimizing catalyst deactivation from the pyrolysis-catalytic steam reforming of biomass on nanosized NiZnAlOx catalysts. Fuel, 188, 610-620. https://doi.org/10.1016/j.fuel.2016.10.072

Hydrogen production from the thermochemical conversion of biomass was carried out with nano-sized NiZnAlOx catalysts using a two-stage fixed bed reactor system. The gases derived from the pyrolysis of wood sawdust in the first stage were catalyticall... Read More about Promoting hydrogen production and minimizing catalyst deactivation from the pyrolysis-catalytic steam reforming of biomass on nanosized NiZnAlOx catalysts.

The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells (2016)
Journal Article
Orogbemi, O. M., Ingham, D. B., Ismail, M. S., Hughes, K. J., Ma, L., & Pourkashanian, M. (2016). The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells. International Journal of Hydrogen Energy, 41(46), 21345-21351. https://doi.org/10.1016/j.ijhydene.2016.09.160

The effects of the composition of the microporous layer (MPL) on the through-plane permeability of the gas diffusion layers (GDLs) used in polymer electrolyte fuel cells (PEFCs) have been thoroughly experimentally investigated in this paper. For a gi... Read More about The effects of the composition of microporous layers on the permeability of gas diffusion layers used in polymer electrolyte fuel cells.

Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content (2016)
Journal Article
Lancefield, C. S., Rashid, G. M. M., Bouxin, F., Wasak, A., Tu, W.-C., Hallett, J., Zein, S., Rodríguez, J., Jackson, S. D., Westwood, N. J., & Bugg, T. D. H. (2016). Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content. ACS Sustainable Chemistry and Engineering, 4(12), 6921-6930. https://doi.org/10.1021/acssuschemeng.6b01855

A set of seven different lignin preparations was generated from a range of organosolv (acidic, alkaline, ammonia-treated, and dioxane-based), ionic liquid, autohydrolysis, and Kraft pretreatments of lignocelluloses. Each lignin was characterized by 2... Read More about Investigation of the chemocatalytic and biocatalytic valorization of a range of different lignin preparations: The importance of β-O-4 content.

Large-Scale Production of V6O13 Cathode Materials Assisted by Thermal Gravimetric Analysis-Infrared Spectroscopy Technology (2016)
Journal Article
Liang, H. P., Du, J., Jones, T. G., Lawrence, N. S., & Meredith, A. W. (2016). Large-Scale Production of V6O13 Cathode Materials Assisted by Thermal Gravimetric Analysis-Infrared Spectroscopy Technology. ACS Applied Materials & Interfaces, 8(39), 25674-25679. https://doi.org/10.1021/acsami.6b10832

© 2016 American Chemical Society. The kilogram-scale fabrication of V6O13 cathode materials has been notably assisted by in situ thermal gravimetric analysis (TGA)-infrared spectroscopy (IR) technology. This technology successfully identified a resid... Read More about Large-Scale Production of V6O13 Cathode Materials Assisted by Thermal Gravimetric Analysis-Infrared Spectroscopy Technology.

Case study of viability of bioenergy production from landfill gas (LFG) (2016)
Journal Article
Vourdoubas, J., & Skoulou, V. K. (2016). Case study of viability of bioenergy production from landfill gas (LFG). Journal of Agricultural Science, 8(10), 165-176. https://doi.org/10.5539/jas.v8n10p165

The landfill gas (LFG) produced from the existing landfill site in Heraklion city, Crete island, Greece, is not currently exploited to its full potential. It could however be exploited for power generation and/or combined heat and power (CHP) product... Read More about Case study of viability of bioenergy production from landfill gas (LFG).

CO2 integration in high temperature steam gasification (HTSG) of solid fuels and blends with waste (2016)
Presentation / Conference Contribution
Skoulou, V., Kantarelis, E., & Yang, W. (2016, June). CO2 integration in high temperature steam gasification (HTSG) of solid fuels and blends with waste. Presented at European Biomass Conference and Exhibition 2016 (24thEUBCE) Proceedings

Aim of the present work is to investigate the viability of modifying the high temperature steam gasification process by adding CO2 in an attempt to tailor value added gas suitable for the energy - chemicals production industry. Such an integrated pro... Read More about CO2 integration in high temperature steam gasification (HTSG) of solid fuels and blends with waste.

A mechanistic study of the EC′ mechanism – the split wave in cyclic voltammetry and square wave voltammetry (2016)
Journal Article
Song, P., Fisher, A. C., Wadhawan, J. D., Cooper, J. J., Ward, H. J., & Lawrence, N. S. (in press). A mechanistic study of the EC′ mechanism – the split wave in cyclic voltammetry and square wave voltammetry. RSC advances, 6(74), 70237-70242. https://doi.org/10.1039/c6ra08723j

In this paper, a detailed investigation of electrochemical reactions coupled with homogenous chemical steps using cyclic voltammetry (CV) and square wave voltammetry (SWV) was carried out to study the electrocatalytic (EC’) mechanism. In CV, paramete... Read More about A mechanistic study of the EC′ mechanism – the split wave in cyclic voltammetry and square wave voltammetry.

A multicriteria comparison of utilizing sugar cane bagasse for methanol to gasoline and butanol production (2016)
Journal Article
Michailos, S., Parker, D., & Webb, C. (2016). A multicriteria comparison of utilizing sugar cane bagasse for methanol to gasoline and butanol production. Biomass & bioenergy, 95, 436-448. https://doi.org/10.1016/j.biombioe.2016.06.019

The present study makes a consistent and comparative assessment of the overall exergy, financial and environmental efficiencies of two biomass-to-fuels (utilised in internal combustion engines with spark ignition) conversion options and based on this... Read More about A multicriteria comparison of utilizing sugar cane bagasse for methanol to gasoline and butanol production.

Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor (2016)
Journal Article
Thein, C. K., & Liu, J.-S. (2017). Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor. Engineering with Computers, 33(1), 137-148. https://doi.org/10.1007/s00366-016-0460-3

Piezoelectric materials are excellent transducers for converting mechanical energy from the environment for use as electrical energy. The conversion of mechanical energy to electrical energy is a key component in the development of self-powered devic... Read More about Numerical modeling of shape and topology optimisation of a piezoelectric cantilever beam in an energy-harvesting sensor.

Comparing the contribution of visible-light irradiation, gold nanoparticles, and titania supports in photocatalytic nitroaromatic coupling and aromatic alcohol oxidation (2016)
Journal Article
Zhao, J., Ke, X., Liu, H., Huang, Y., Chen, C., Bo, A., Sheng, X., & Zhu, H. (2016). Comparing the contribution of visible-light irradiation, gold nanoparticles, and titania supports in photocatalytic nitroaromatic coupling and aromatic alcohol oxidation. Particle and Particle Systems Characterization, 33(9), 628-634. https://doi.org/10.1002/ppsc.201600049

Under visible-light irradiation, gold nanoparticles (Au NPs) supported by titania (TiO₂) nanofibers show excellent activity and high selectivity for both reductive coupling of nitroaromatics to corresponding azobenzene or azoxylbenzene and selective... Read More about Comparing the contribution of visible-light irradiation, gold nanoparticles, and titania supports in photocatalytic nitroaromatic coupling and aromatic alcohol oxidation.