A5013639384- Metal Extraction and Bioleaching
- Graphene research and applications
- Metal-Organic Frameworks: Synthesis and Applications
- Hybrid Renewable Energy Systems
- Catalysts for Methane Reforming
- Hydrogen Storage and Materials
- Sustainable Supply Chain Management
- Energy and Environment Impacts
- Catalytic Processes in Materials Science
- Carbon Dioxide Capture Technologies
- MXene and MAX Phase Materials
- Carbon Nanotubes in Composites
- Bioeconomy and Sustainability Development
- Advancements in Battery Materials
- Nanotechnology research and applications
- Catalysis and Hydrodesulfurization Studies
- Catalysis and Oxidation Reactions
- Extraction and Separation Processes
- Advanced Battery Materials and Technologies
- Zeolite Catalysis and Synthesis
- biodegradable polymer synthesis and properties
- Minerals Flotation and Separation Techniques
- Oil, Gas, and Environmental Issues
- Membrane Separation and Gas Transport
- Covalent Organic Framework Applications
Council for Scientific and Industrial Research
2015-2024
University of Cape Town
2006
The thermocatalytic decomposition (TCD) of methane is an attractive alternative to produce low-carbon hydrogen and solid carbonaceous materials. In this study, substituted LaNi1-xCuxO3 perovskite catalysts prepared via self-combustion method were investigated for TCD. effect Ni partial substitution with Cu, varying gas hourly space velocity, temperature stability on conversions evaluated. PXRD, H2-TPR, SEM-EDS, TGA, XPS used characterize the catalysts. An increase in Cu loading 50%, decrease...
Biogas is a renewable feedstock that can be used to produce hydrogen through the decomposition of biomethane. However, economics process are not well studied and understood, especially in cases where solid carbons also produced, which have detrimental effect on performance catalysts. The scale, as product diversification biogas plant other value-added carbons, plays crucial role determining feasibility biogas-to-hydrogen projects. Through techno-economic study using discounted cash flow...
Abstract Sulfide precipitation of nickel and cobalt was investigated in three reactors: batch, seeded fluidized bed with an aqueous sulfide source, bubble column a gaseous source. In terms metal removal settling rate, the system is more efficient than either hydroxide or carbonate. batch system, kinetics reactions are first order concentrations. Metal removals approximately 90 % were achieved, but when excess used decreased, probably due to formation polysulfide species. bed, significant...
In this paper, we report the synthesis of a Li4Ti5O12/Graphene Nanoribbons (LTO/GNRs) composite using solid-coating method. Electron microscope images LTO/GNRs have shown that LTO particles were wrapped around graphene nanoribbons. The introduction GNRs was observed to significantly improved rate performance LTO/GNTs. specific capacities determined obtained at rates 0.2, 0.5, 1, 2, and 5 C are 206.5, 200.9, 188, 178.1 142.3 mAh·g(-1), respectively. This is higher than those pure (169.1, 160,...