Coupling Of Physico-chemical Treatment And Steel Membrane Filtration To Enhanced Organic Removal In Wastewater Treatment

Publisher:
Taylor & Francis Inc
Publication Type:
Journal Article
Citation:
Desalination And Water Treatment, 2013, 51 (13-15), pp. 2695 - 2701
Issue Date:
2013-01
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In this study, the application of steel membrane filtration was tested with the pre-treated wastewater. The pre-treatment methods tested before membrane filtration application were flocculation using FeCl3, Powdered Activated Carbon (PAC) adsorption, purolite ion-exchange column and purolite ion-exchange column followed by flocculation (FeCl3). The effect of two different modes of membrane application (cross-flow and dead-end modes) was examined. The ability of these filters in removing organic matters and solids were examined. It was found that the decline of flux was slightly lower for dead-end mode of operation to that of cross-flow mode of operation. Pre-treatment increased the performance of membrane filtration. The flux decline of raw water (without pre-treatment) was 31-10%, whereas after pre-treatment, it was about 2.5-21%. Pre-treatment followed by microfiltration (MF) showed 68-91% removal efficiency of dissolved organic carbon
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