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Ranking of pre-treatment technologies for reverse osmosis for water recovery

Pandey, S. R., Jegatheesan, V., Baskaran, K. and Muthukumaran, S. 2011, Ranking of pre-treatment technologies for reverse osmosis for water recovery, in AGRO 2011 : Proceedings of the 8th International IWA Symposium on Waste Management Problems in Agro-Industries, [IWA], [Izmir, Turkey], pp. 463-470.

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Title Ranking of pre-treatment technologies for reverse osmosis for water recovery
Author(s) Pandey, S. R.
Jegatheesan, V.
Baskaran, K.
Muthukumaran, S.
Conference name Waste Management Problems in Agro-Industries. Symposium (8th : 2011 : Izmir, Turkey)
Conference location Izmir, Turkey
Conference dates 22-24 Jun. 2011
Title of proceedings AGRO 2011 : Proceedings of the 8th International IWA Symposium on Waste Management Problems in Agro-Industries
Editor(s) [Unknown]
Publication date 2011
Conference series Waste Management Problems in Agro-Industries. Symposium
Start page 463
End page 470
Publisher [IWA]
Place of publication [Izmir, Turkey]
Keyword(s) pre-treatment
qualitative and quantitative evaluation
ranking
reverse osmosis
water reuse
Summary Agro-industries are a life-line for sustainable future of human kind. However, the wastewater generated by agro-industries poses direct threat to the same sustainable future by polluting the freshwater sources when discharged into those freshwater sources. Thus, we need both advanced treatment technologies to treat those wastewater streams generated and better reuse practices for the treated effluents. Reverse osmosis (RO) is one of the advanced treatments to treat dissolved solids that are present in agricultural wastewater streams. But, RO is very sensitive to suspended solids (SS) present in the wastewater streams. Those SS can foul the RO membrane and make it ineffective in producing treated effluent at desired rates. Therefore, suitable pre-treatment scheme is necessary to treat the agro-wastewater streams before passing through RO. This study focuses on the qualitative and quantitative ranking of the available conventional and modern pre-treatment technologies as pre-treatment for RO. This study considers wastewater that has been treated through a secondary treatment system for example activated sludge process as the target water that needs pre-treatment. Based on qualitative ranking of conventional pre-treatment options, the Lime clarification/Granular Media filtration (GMF) option is ranked as the best; whereas finescreens/ micro-screens option ranked as the least preferred option based on the scores they attained in treating the water quality parameters that are considered essential. Based on the quantitative ranking, the low pressure membrane technology such as ultra-filtration (UF) stood first and microfiltration (MF) stood last.
ISBN 9789755614007
Language eng
Field of Research 090404 Membrane and Separation Technologies
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category E2 Full written paper - non-refereed / Abstract reviewed
Copyright notice ©2011, IWA publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30042383

Document type: Conference Paper
Collection: School of Engineering
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