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Investigation into the cost and operation of Southern African desalination and water reuse plants Volume II: Current status of desalination and water reuse in Southern Africa
Expanded Title:Around 2009/2010, the Southern and Eastern Cape regions of South Africa experienced the worst drought in known history, and to prevent the risk of complete water supply failure a number of desalination and water reuse projects were undertaken. A substantial amount of literature exists in the public domain with respect to cost and water quality aspects for desalination and reuse plants. However, none of these provide real information on cost and water quality obtained from actual plants constructed in South Africa. The proposed research project will result in knowledge enhancement on the subject within the South African water community and provide information relevant to the South African situation and context. This project entails gathering of cost, operational and other data associated with local (South African) desalination and water reuse plants that have been implemented recently and are planned for implementation in the near future. The information gathered during the project will be of beneficial use to municipal engineers and the water community as a whole to define real costs for desalination and reuse. This may be used for more effective future planning and comparison of different water supply options.The following were the aims of the project: 1. To establish an integrated database of all the operating parameters for the desalination and reuse plants mentioned (see Motivation), which have been implemented and are planned for implementation. 2. To evaluate and report on the various costs (capital and operating) of the desalination and reuse plants as a function of the quantity and quality of water produced, as well as the various technologies used with focus on the progression from non-potable to potable desalination and reuse. 3. To report on the technical, as well as operational and maintenance challenges experienced in operating the desalination and reuse plants with reference to project implementation issues. 4. To provide concise Best Operating Practices to maximise production of desalinated and reclaimed water while at the same time ensuring the sustainability of the technology in terms of cost minimisation. 5. To provide a concise report on the various institutional models which can be used to finance and operate desalination plants with a view to minimising risk to the end-user.
Date Published:01/09/2015
Document Type:Research Report
Document Subjects:Water Resource Management/IWRM - Planning and development
Document Keywords:Technology, Water Quality
Document Format:Report
Document File Type:pdf
Research Report Type:Technical
WRC Report No:TT 637/15
ISBN No:978-1-4312-0699-5
Authors:Turner KN; Naidoo K; Theron JG; Broodryk J
Project No:K5/2121
Originator:WRC
Organizations:Royal Haskoning DHV
Document Size:1 179 KB
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