Metal recovery from reverse osmosis concentrate

Jeppesen, T., Shu, L., Keir, G. and Jegatheesan, V. (2009) Metal recovery from reverse osmosis concentrate. Journal of Cleaner Production, 17 7: 703-707. doi:10.1016/j.jclepro.2008.11.013


Author Jeppesen, T.
Shu, L.
Keir, G.
Jegatheesan, V.
Title Metal recovery from reverse osmosis concentrate
Journal name Journal of Cleaner Production   Check publisher's open access policy
ISSN 0959-6526
Publication date 2009-05
Sub-type Article (original research)
DOI 10.1016/j.jclepro.2008.11.013
Volume 17
Issue 7
Start page 703
End page 707
Total pages 5
Place of publication Amsterdam,The Netherlands
Publisher Elsevier
Collection year 2009
Language eng
Formatted abstract
The use of reverse osmosis (RO) membranes is becoming increasingly common in desalination plants, though disposal of the highly concentrated brines poses significant environmental risks. The targeted extraction of some metals from the concentrate can have multiple environmental and economic benefits. This is particularly apparent with recent developments in the development of zero liquid discharge desalination systems. This study has shown that recovery of sodium chloride from RO concentrate can significantly lower the cost of potable water production if employed in conjunction with thermal processing systems. Additionally, the recovery of rubidium from seawater may be a potential source of revenue, however further work is needed to characterise the economics of the rubidium extraction process. Finally, removal of phosphorus from RO concentrate provides little economic benefit, but may become increasingly necessary as environmental restrictions increase in the future.
Keyword Desalination
Metal recovery
Nanofiltration
Reverse osmosis membranes
Salt
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Centre for Water in the Minerals Industry
 
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Created: Fri, 23 Nov 2012, 09:38:15 EST by Greg Keir on behalf of Centre for Water in the Minerals Industry