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Browsing by Author "Swartbooi, Ashton M"

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Biowaste biorefineries in South Africa: Current status, opportunities, and research and development needs

Author: Sekoa, Patrick T ; Chunilall, Viren ; Msele, K ; Buthelezi, L ; Johakimu, Jonas ; Andrew, Jerome E ; Zungu, M ; Moloantoa, K ; Maningi, N ; Habimana, O ; Swartbooi, Ashton M Date: Dec 2023 As one of the highest carbon-emitting nations, South Africa is working tirelessly to swiftly transition to sustainable technologies in order to strengthen its green economy initiatives. Amongst the technologies that are explored in the ... Read more
Challenges in hydrogen RCS' stakeholder engagement in South Africa

Author: North, Brian C ; Langmi, Henrietta W ; Swartbooi, Ashton M Date: Sep 2019 There is a great deal of knowledge and experience on the safe handling of hydrogen, and the safe operation and management of hydrogen systems in South Africa. This knowledge and experience mostly sits within large gas supply companies and ... Read more
Investigating improvements on redox flow batteries

Author: Swartbooi, Ashton M ; Van Vuuren, DS Date: Sep 2006 As fossil fuel resources become depleted and concerns about global warming increases, focus on renewable energy sources will become more urgent. The problem however is the intermittent nature of these sources, which necessitates the need for ... Read more
Large-scale energy storage. Investigating improvements of redox flow batteries

Author: Swartbooi, Ashton M Date: Nov 2008 With fossil fuels facing depletion, research into the use of alternative fuel and energy sources has steadily increased. With the abundance of solar radiation available, especially in South Africa, solar energy could be utilised to provide a ... Read more
Li4Ti5O12/graphene nanoribbons composite as anodes for lithium ion batteries

Author: Medina IV, PA ; Zheng, Haitao ; Fahlman, BD ; Annamalai, P ; Swartbooi, Ashton M ; Le Roux, Lukas J ; Mathe, Mahlanyane K Date: Oct 2015 In this paper, the authors report the synthesis of a Li4Ti5O12/Graphene Nanoribbons (LTO/GNRs) composite using a solid-coating method. Electron microscope images of the LTO/GNRs composite have shown that LTO particles were wrapped around ... Read more
A more efficient way to shape metal-organic framework (MOF) powder materials for hydrogen storage applications

Author: Ren, Jianwei ; Musyoka, Nicholas M ; Langmi, Henrietta W ; Swartbooi, Ashton M ; North, Brian C ; Mathe, Mahlanyane K Date: Apr 2015 Shaping of Zr-MOF powder material into spherical pellets with diameters of 0.5–15 mm in the presence of 10 wt.% sucrose as a binder was successfully demonstrated using a granulator. Zr-MOF pellets were produced in a kilogram batch within 30 ... Read more
Synthesis of carbon nanotubes using fluidized bed technology

Author: Swartbooi, Ashton M ; North, Brian C Date: Nov 2008 Current methods employed to synthesise carbon nanotubes (CNTs) include hot-wire chemical vapour deposition (CVD) techniques as well as laser ablation. These methods however produce small amounts of nanotubes at a high production cost. The use ... Read more
Synthesis of zeolite-templated carbons for hydrogen storage applications

Author: Musyoka, Nicholas M ; Swartbooi, Ashton M ; Langmi, Henrietta W ; North, Brian C Date: Oct 2013 Hydrogen storage has been a key bottle-neck in the actualization of hydrogen as an energy carrier. The new field of hydrogen storage in templated carbonaceous materials has excited many researchers and considerable effort is being directed ... Read more

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Browsing by Author "Swartbooi, Ashton M"

Browsing by Author "Swartbooi, Ashton M"

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