Pretreatment Issues for a UF/RO Landfill Leachate Treatment Plant

This paper discusses various Ultrafiltration performance issues that were encountered and pretreatment strategies that were developed and tried out to optimize the performance of the UF/RO system on a landfill leachate. Biofouling, solids interference, anaerobic conditions were some of the conditions that needed to be addressed and resolved. Included in the paper are details of how the performance of the UF/RO system was fine tuned, how the final effluent is stored and made available for various site uses and how the UF and RO concentrates are recirculated back to the landfill.