Performance of reverse osmosis (RO) for water recovery from permeates of membrane bio-reactor (MBR)

Pandey, Santosh Raj, Jegatheesan, Veeriah, Baskaran, Kanagaratnam, Shu, Li and Muthukumaran, Shobha 2014, Performance of reverse osmosis (RO) for water recovery from permeates of membrane bio-reactor (MBR), Desalination and water treatment, vol. 52, no. 4-6, pp. 600-611, doi: 10.1080/19443994.2013.826400.

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Title Performance of reverse osmosis (RO) for water recovery from permeates of membrane bio-reactor (MBR)
Author(s) Pandey, Santosh Raj
Jegatheesan, Veeriah
Baskaran, KanagaratnamORCID iD for Baskaran, Kanagaratnam
Shu, Li
Muthukumaran, Shobha
Journal name Desalination and water treatment
Volume number 52
Issue number 4-6
Start page 600
End page 611
Total pages 12
Publisher Taylor & Francis
Place of publication Hopkinton, Mass.
Publication date 2014-01-28
ISSN 1944-3994
Keyword(s) agricultural wastewater
brackish water reverse osmosis
membrane bio-reactor
water recovery
Summary In this study, permeate from a hollow fiber polyethylene (PE) membrane bio-reactor (MBR) system treating synthetic agricultural wastewater was fed into a cellulose acetate brackish water reverse osmosis (BWRO30 2540) membrane system; three different trans-membranes pressures (TMPs) of 1000, 2500, and 4000 kPa were selected to evaluate the system performance in terms of general operating parameters as well as the removal of chosen important potential fouling water quality parameters. The results showed that highest corrected permeate flux rate was at a TMP of 2500 kPa, whereas lowest recorded at a TMP of 4000 kPa. Similar situation prevailed in water recovery rate. But temperature corrected specific fluxes decreased as the applied TMPs increased. In all selected TMPs, more than 96% of salinity was removed. Permeate from MBR as feed to reverse osmosis required frequent chemical cleaning than the microfiltration/ultrafiltration (MF/UF) permeates and granular media filter (GMF) filtered in order to maintain the required rate of product water. One of the reasons for this frequent chemical cleaning is due to higher total organic carbon as well as total nitrogen (TN) in the MBR permeate. This result needs to be further evaluated through field trials.
Language eng
DOI 10.1080/19443994.2013.826400
Field of Research 090404 Membrane and Separation Technologies
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2014, Taylor & Francis
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