Discussion of the complexities of replacing 7,000 plus membrane modules in a live water treatment plant with multiple stakeholders would be of great interest to membrane vendors, consultants and planners as well as utility owners and operators....

This paper provides details on lessons learned from a membrane condition assessment for 3 major UF membrane facilities owned by Region of Peel, Canada. In addition to typical membrane autopsy analyses with SEM and EDX, this paper details the results from advanced testing with SEI analysis, fiber tensile strength testing comparing new and old fibers...