Presentation by Alan Schacht
Integrating Membrane Filtration with Existing Slow Sand Filters
n 1999 North Clackamas went on line with 10 MGD slow sand filtration. In 2005 10 MGD of submerged membrane filtration was added to increase capacity and to help when high raw turbidity occurs. This presentation will cover how the two very different processes compliment each others strengths and weaknesses....