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Browsing by Subject "Circular economy"

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Advocating circular economy in wastewater treatment: Struvite formation and drinking water reclamation from real municipal effluents

Author: Mavhungu, A ; Masindi, Vhahangwele ; Foteinis, S ; Mbaya, R ; Tekere, M ; Kortidis, I ; Chatzisymeon, E Date: Aug 2020 In this pilot study, the circular economy concept in wastewater treatment was examined, through a zero liquid discharge (ZLD) process where struvite was recovered and drinking water was reclaimed. A stage wise approach was followed for struvite ... Read more
Barriers to closing the loop on nutrient recycling - a case study on phycoremediation of domestic wastewater in South Africa

Author: Steyn, Maronel ; Oberholster, PJ Date: Dec 2021 Sustainable development and the global move towards a more circular use of resources, where waste is reduced and resources are recycled, have caused a paradigm shift within the scientific community with regards to wastewater solutions. Nutrient ... Read more
Circular economy and environmental health in low- and middle-income countries

Author: Wright, CY ; Godfrey, Linda K ; Armiento, G ; Haywood, Lorren K ; Inglesi-Lotz, R ; Lyne, K ; Nayna Schwerdtle, P Date: Dec 2019 The circular economy framework for human production and consumption is an alternative to the traditional, linear concept of ‘take, make, and dispose’. Circular economy (CE) principles comprise of ‘design out waste and pollution’, ‘retain ... Read more
Circular economy and human settlements

Author: Cooper, Antony K Date: Sep 2022 This invited presentation provides an overview of the circular economy in human settlements in South Africa, with some examples. Read more
The Circular Economy as Development Opportunity: Exploring Circular Economy Opportunities across South Africa’s Economic Sectors

Author: Godfrey, Linda K ; Nahman, Anton ; Oelofse, Suzanna HH ; Trotter, Douglas ; Khan, Sumaya ; Nontso, Zintle ; Magweregwede, Fleckson ; Sereme, Busisiwe V ; Okole, Blessed N ; Gordon, Gregory ER ; Brown, Bernadette ; Pillay, Boyse ; Schoeman, Chanel ; Fazluddin, Shahed ; Ojijo, Vincent O ; Cooper, Antony K ; Kruger, Daniel M ; Napier, Mark ; Mokoena, Refiloe ; Steenkamp, Anton J ; Msimanga, Xolile P ; North, Brian C ; Seetal, Ashwin R ; Mathye, Salamina M Date: Dec 2021 The intention of this book is to present the CSIR’s position and interpretation of the circular economy, and to use it to drive discussions on where immediate circular economy opportunities are achievable in South Africa. Opportunities that ... Read more
The circular economy, human settlements and municipal government

Author: Cooper, Antony K ; Kruger, Tinus ; Godfrey, Linda K ; Napier, Mark Date: Jan 2024 The linear economy is where resources (including energy and space) move through the economy in one direction, from being harvested, collected or mined, through refining and processing to create products and services, to uses and consumption, ... 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
Legislative challenges hindering mine waste entering the circular economy in South Africa

Author: Haywood, Lorren K Date: Jun 2018 Presentation on the legislative challenges hindering mine waste entering the circular economy in South Africa. Putting mine waste into perspective. Read more
Recommendations for advancing the circular plastics economy in South Africa

Author: Nahman, Anton ; Oelofse, Suzanna HH ; Palfreman, J Date: Oct 2022 Leakage of plastics to the environment is an issue of global concern. A transition to a circular plastics economy is increasingly recognised as an important strategy for addressing plastic leakage and pollution, while potentially giving rise ... Read more
Techno-economic analysis of the reclamation of drinking water and valuable minerals from acid mine drainage

Author: Shingwenyana, Rhulani K ; Shabalala, AN ; Mbhele, Nkhangweleni R ; Masindi, Vhahangwele Date: Nov 2021 The concept of circular economy in wastewater treatment has recently attracted immense interest and this is primarily fueled by the ever-growing interest to minimise ecological footprints of mining activities and metallurgical processes. In ... Read more
Transitioning from conventional plastic to more sustainable alternative materials: Evidence from South Africa

Author: Oelofse, Suzanna HH ; Nahman, Anton ; Russo, Valentina ; Stafford, William HL ; Muswema, Aubrey P ; Mathew, Maya J ; Muniyasamy, Sudhakar Date: Oct 2022 The Council for Scientific and Industrial Research in partnership with UNIDO and the University of the Witwatersrand, with funding from the Japanese government, undertook research to identify and implement opportunities for sustainable ... Read more
Waste as a resource – Opportunities in Africa

Author: Oelofse, Suzanna HH ; Nahman, Anton Date: Oct 2018 It is estimated that 125 million tonnes of municipal solid waste is generated in Africa, of which only about 68 million tonnes are collected. Unsanitary landfilling and open dumping of the collected waste is the predominant waste disposal ... Read more
Waste as resource: Unlocking opportunities for Africa

Author: Oelofse, Suzanna HH ; Nahman, Anton ; Godfrey, Linda K Date: Jun 2018 The global waste sector is undergoing a paradigm shift from “waste” to that of “secondary resource” within the vision of a circular global economy. The circular economy emphasizes keeping resources in use for as long as possible through re-use, ... Read more

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Browsing by Subject "Circular economy"

Browsing by Subject "Circular economy"

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All of ResearchSpace

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