OpenUCT Home
→
Browsing by Author

Browsing by Author "von Blottnitz, Harro"

Now showing items 1-7 of 7

Biofuel policies in South Africa: a critical analysis

Author: Letete, Thapelo ; von Blottnitz, Harro Date: 2012 In 2007 the South African government released the country’s National Biofuels Industrial Strategy targeting a biofuels market penetration of 2% of liquid road transport fuels by 2013. Contrary to the international situation, the main driver ... Read more
Carbon intensive but decarbonising quickly? Retrospective and prospective life cycle assessments of South African pome fruit

Author: de Kock, Lorren Date: 2018 The South African economy has in the past been categorised as carbon intensive due to an energy and capital intensive development path and an associated set of economic activities termed the minerals-energy complex. International export ... Read more
End-of-life in South African product life cycle assessment

Author: Rodseth, Clare Josephine Date: 2018 Life cycle assessment (LCA) is a tool specifically developed for quantifying and assessing the environmental burden of a product across its entire life cycle, thus providing powerful support for sustainable product design. There exists a ... Read more
Introducing loop-closure for phosphates into a provincial development strategy: An analysis of overlaps of primary and secondary phosphate processing technologies

Author: Vidima, Sizwe Date: 2018 Almost 90% of the global phosphoric acid demand can primarily be linked to fertiliser production for application onto agricultural lands (PotashCorp, 2014). To fulfil the phosphate fertiliser demand in South Africa’s arable soils, the country ... Read more
Life cycle sustainability assessment of next generation energy infrastructure in Africa: Is there a case for biohydrogen after biomethane?

Author: Masilela, Phumlani Date: 2018 The recovery of energy in the form of biomethane gas from inexpensive biodegradable organic wastes is starting to become a cornerstone of green economy investments. It is possible that such installations could serve as a precursor for the ... Read more
Stakeholder collaboration and learning during the concept design phase of an urban biogas project

Author: Melamu, Rethabile ; Boyd, Anya ; Wlokas, Holle L ; Roden, Brett C ; Austin, Greg ; von Blottnitz, Harro Date: 2010 Anaerobic digestion (AD) of organic matter to produce biogas is a waste management option for waste streams high in organic matter which are unsuitable for thermal treatment. In Africa, the implementation of this technology is slow compared ... Read more c b
The TCLP and its applicability for the characterization of worst case leaching of wastes from Mining and Metallurgical operations

Author: Cohen, Brett ; Lewis, Alison ; Petersen, Jochen ; von Blottnitz, Harro ; Drews, S C ; Mahote, S I Date: 1999 Laboratory batch extraction tests, such as the Toxicity Characteristic Leaching Procedure (TCLP), are widely used to classify industrial solid wastes destined for disposal in landfills. Whilst the ease and speed of such tests makes their use ... Read more