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Browsing by Author "Cohen, Brett"

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A complex transdisciplinary exploration of South African climate mitigation policy

Author: Tyler, Emily Date: 2019 The research journey reflected in this thesis emerged from fifteen years of practice of (predominantly South African) climate mitigation policy from 2001 - 2016; from a dissatisfaction with the pace and depth of progress, and a realisation ... Read more
Analysis of energy efficiency in South Africa's primary mineral industry: a focus on gold

Author: Johnston, Oliver Ross Date: 2012 Energy use is the human activity responsible for the majority of its greenhouse gas emissions. In 2010 the global energy-related emissions of carbon dioxide - the principal greenhouse gas-jumped by 5.3% from the previous year, to a record ... Read more
Energy efficiency in the South Africa crude oil refining industry drivers, barriers and opportunities

Author: Bergh, Caitlin Date: 2012 This study has explored a range of barriers, drivers and opportunities to improving energy performance in the South African crude oil refining industry, thus providing information to further support energy efficiency improvement efforts. ... Read more
A financial feasibility study of waste to energy generation in the City of Cape Town

Author: Purser, Richard Date: 2011 The objective of this research is to examine what the city of Cape Town has undertaken regarding its municipal solid waste (MSW) and to investigate the financial feasibility of WtE as a source of energy and a key component of integrated solid ... Read more
An LCA study comparing e-books read on an Apple Air iPad to printed books in South Africa

Author: Naicker, Vinesh Date: 2015 A number of studies assessing the environmental impacts of print media systems in comparison to digital media systems offering the same services have been conducted in United States of America (USA) or Sweden. The most notable are studies ... Read more
A life cycle based energy and greenhouse gas emission assessment of C&D waste and container glass recycling in the City of Cape Town

Author: Vossberg, Cherilyn Date: 2012 The rate at which the world is consuming energy is growing, and with climate change an immediate concern (Stern, 2006), it is incumbent for the global society to find alternate ways of fuelling human activity. Along with greater energy use, ... Read more
Measuring the rebound effect of energy efficiency initiatives for the future: A South African case study

Author: Davis, Stephen ; Cohen, Brett ; Hughes, Alison ; Durbach, Ian ; Nyatsanza, Kudakwashe Date: 2011 The rebound effect is a phrase which was originally defined to refer to the extent to which energy efficiency improvements are lost due to subsequent behavioural changes. This report documents almost three years of research work that set out ... Read more
The potential of solar process heat for South Africa industry

Author: Du Plessis, Pieter Date: 2011 This study explores the potential of concentrated solar thermal technologies for high temperature industrial processes in South Africa which makes a significant contribution to global Greenhouse Gas emissions and it whose electricity supply ... Read more
Quantifying the energy needs of the transport sector for South Africa: a bottom-up model

Author: Merven, Bruno ; Stone, Adrian ; Hughes, Alison ; Cohen, Brett Date: 2012 Transport is a large consumer of energy in South Africa and vital for economic development. Currently the transport sector consumes 28% of final energy, the bulk of which, 97%, is in the form of liquid fuels. As the population grows and becomes ... Read more c b
Sustainability performance analysis and decision-making for minerals beneficiation : a South African iron and steel scrap case study

Author: Chitaka, Takunda Yeukai Date: 2015 It is widely accepted that downstream mineral resource beneficiation has the potential to promote socio-economic growth in resource-rich nations. Many African countries, including South Africa, are thus prioritizing mineral beneficiation in ... Read more
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
A techno-economic study of energy efficiency and renewable energy technologies for supermarkets in South Africa

Author: Pather-Elias, Simisha Date: 2011 The aim of this study was to do a techno-economic analysis for the use of both energy efficient and renewable energy technologies in supermarkets to determine the best options to implement to reduce grid electricity consumption, and its ... Read more
Using system dynamics to explore gini coefficient parametrics

Author: Pillay, Nalini Sooknanan Date: 2014 Modern economies are dependent on a reliable electricity supply for sustaining economic health and development, enabled by adequate energy planning and/or investment in capacity. Identifying drivers such as changes in income distribution that ... Read more