• AWWA WQTC71365

AWWA WQTC71365

Ceramic Membrane Testing with Ozone in Singapore

American Water Works Association , 11/01/2009

Publisher: AWWA

File Format: PDF

$12.00$24.00


This powerpoint presentation begins by providing a brief overview of ceramic membranes for water reuse, and a study initiated by Black & Veatch and a team of PUB, Metawater, and Dayen to examine the feasibility of using ceramic membranes with effluent from secondary wastewater effluent for reuse. Specifically, the study examined: whether feasible fluxes can be achieved > 150 lmh; determining the optimal coagulant; the impact of ozone; and, testing with limited size parallel columns. The advantages of ceramic membranes are listed, along with consistent pore sizes, effect of ozone dosage on permeate flux, and the impact of ozone and hydroxyl radical production with ceramics. Study conclusions indicate that: ceramic and ozone appears to be a powerful combination - feasible; more testing is needed to understand the advanced oxidation process and how it can be controlled and optimized; and, the new ceramic membrane block design appears to make ceramics more feasible than polymeric. Includes table, figures.

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