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Browsing by Subject "Biofuels"

Now showing items 1-15 of 15

Adding value to the by-products of cereal processing by fungal production of highly unsaturated fatty acids

Author: Jacobs, A ; Botha, A ; Van Zyl, WH Date: Feb 2010 The processing of cereals as agricultural crops or biofuels generates millions of tons of byproducts annually. The South African beer brewing industry alone produces approximately 520 000 tons of brewers’ spent grain per year. These residues ... Read more
Analysis of opportunities for biofuel production in sub-Saharan Africa

Author: Von Maltitz, Graham P ; Haywood, Lorren K ; Mapako, M ; Brent, A Date: Jun 2009 The world’s population consumes more oil than any other single energy source, including coal, natural gas, nuclear, hydro and renewables (EIA 2005). By 2030, global demand for oil is expected to have increased by 50 per cent (IEA 2008:116). ... Read more
Anticipating potential biodiversity conflicts for future biofuel crops in South Africa: Incorporating land cover information with Species Distribution Models

Author: Blanchard, Ryan ; O'Farrell, Patrick J ; Richardson, D Date: Oct 2012 Using spatial techniques to determine the threat of land-use change is a useful tool in mitigating against potential biodiversity losses. We investigate the potential suitability and likely impacts of energy crops not currently grown in South ... Read more
Biofuels and sustainability in Africa

Author: Amigun, B ; Musango, JK ; Stafford, William HL Date: Oct 2011 The combined effects of climate change, the continued volatility of fuel prices, the recent food crisis and global economic turbulence have triggered a sense of urgency among policymakers, industries and development practitioners to find ... Read more
Biofuels in Africa: Impacts on ecosystem services, biodiversity and human well-being

Author: Gasparatos, A ; Lee, LY ; Von Maltitz, Graham P ; Mathai, MV ; Puppim de Oliveira, JA ; Willis, KJ Date: 2012 Biofuels are a type of fuels derived from solid biomass through different chemical and biological processes. Currently, liquid biofuels (e.g. bioethanol and biodiesel) produced from edible plants or animal fats are by far the most popular ... Read more
Efficient synthesis of activated carbon (AC) from biomass for catalytic systems: A green and sustainable approach

Author: Timothy, A ; Akande, Amos A ; Odoh, CK ; Philip, M ; Fidelis, TT ; Amos, PI ; Banjoko, OO Date: Apr 2021 Tremendous efforts in developing sustainable processes for integrated production of value-added products/chemicals and fuels in biorefineries increase through delicate designs towards sustainability. This review focuses on the synthesis of ... Read more
Elucidating the role of biofilm-forming microbial communities in fermentative biohydrogen process: An overview

Author: Sekoai, Patrick T ; Chunilall, Viren ; Sithole, Bishop B ; Habimana, O ; Ndlovu, S ; Ezeokoli, OT ; Sharma, P ; Yoro, KO Date: Sep 2022 Amongst the biofuels described in the literature, biohydrogen has gained heightened attention over the past decade due to its remarkable properties. Biohydrogen is a renewable form of H2 that can be produced under ambient conditions and at a ... Read more
A field assessment of the agronomic performance and water use of Jatropha curcas in South Africa

Author: Everson, CS ; Mengistu, MG ; Gush, Mark B Date: Dec 2012 Global attention on biofuels and the potential for Jatropha curcas to produce biodiesel from marginal land with low inputs has recently created world-wide interest in this species. This paper reports on the water dynamics and productivity of ... Read more
Indigenous algae: Potential factories for biodiesel production

Author: Maharajh, Dheepak M ; Lalloo, Rajesh Date: Nov 2008 The environmental effects of burning fossil fuels and the increased crude oil prices have triggered increased interest in biofuels. Biodiesel is traditionally produced from oil seed crops, which have lower yields per land area and threaten ... Read more
Integrated energy and waste water solutions to solve small town municipal service delivery problems in South Africa

Author: Du Plessis, C ; Waldeck, L ; Willemse, E Date: Feb 2010 Providing municipal services such as electricity and waste water treatment is a major challenge for small towns that often lack the institutional capacity to manage and maintain the necessary infrastructure. High levels of poverty in these ... Read more
Integrating bioenergy into a green economy: identifying opportunities and constraints

Author: Von Maltitz, Graham P ; Stafford, William HL Date: Oct 2012 Bioenergy is a renewable energy option that has the potential to contribute to a low-carbon development path and stimulate a green economy. However, since bioenergy uses land and natural resources, it is in competition with the valuable ... Read more
Re-impact: forest based bioenergy for sustainable development in developing countries

Author: Amezaga, JM ; Harrison, J ; Von Maltitz, Graham P ; Tennigkeit, T ; Tiwari, S ; Windhorst, K Date: Jun 2009 Re-Impact "Rural Energy Production from Bioenergy Projects" is a project funded by the European Union Aid Cooperation office which is promoting a sustainability assessment framework for bioenergy projects focussed on rural development in ... Read more
Review of environmental issues in the context of biofuel sustainability frameworks

Author: Guariguata, MR ; Masera, OR ; Johnson, FX ; Von Maltitz, Graham P ; Bird, N ; Tella, P ; Martlnez-Bravo, R Date: 2011 With the rapid growth of biofuel production and consumption, and the proliferation of policy decisions supporting this expansion, concerns about the biofuel sector’s environmental and social impacts are increasing. Consequently, a range of ... Read more
A system dynamics approach to understanding the biofuels socio-technical transition

Author: Stafford, William HL ; Simelane, T ; Kwagga, M ; Mutanga, Shingirirai S Date: 2018 Biofuels are renewable energy sources that are alternatives to the current fossil fuels which dominate energy supply systems. Since energy is a domestic necessity and also a factor of production (enabling a variety of services such as ... Read more
Understanding the implication of investing in biodiesel production in South Africa: a system dynamics approach

Author: Musango, JK ; Amigun, B ; Brent, AC Date: Jul 2010 This paper presents a Bioenergy Systems Sustainability Assessment and Management (BIOSSAM) model. The BIOSSAM model was developed as a means to provide insights into the implications of expanding bioenergy programmes in South Africa, which ... Read more

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