Data generated from the City of San Diego Advanced Water Purification (AWP) demonstration project was used to support the City?s proposal for conditional regulatory approval and estimate of capital, operational and maintenance (O&M) costs of a potential full-scale project. The potential full-scale project would purify tertiary effluent from North C...

Biological growth on reverse osmosis membranes can lead to many negative operational changes. Common practice to control biofouling is to maintain a chloramine residual in the feed water, however this can be damaging to the membrane surface overtime, ultimately leading to shortened life of the membranes. This presentation describes the use of short...