Innovative Flat-Plate Membrane BioReactor Technology TITAN MBR MEM-FRAME™ Features • Engineered and pre-assembled in S&L’s quality-controlled factory • Designed for insertion into any concrete aeration basin • Contains robust, flat-plate TITAN MBR™ Membranes • Maintains high permeability and consistent flux • Clean in place without plant interruption • Frame fixed to tank, membrane modules removable with no draining Benefits with TITAN MBR MEM-FRAME™ • Best-Available Technology for new treatment plants • Superior effluent quality / potential for water reuse • Achieve complete nitrification • Gravity flow eliminates need for permeate vacuum pumps • No recycle between aeration and membrane zones • S&L offers significant process experience Can be used in both new construction in concrete tanks as well as retrofitting of exiting tankage with side wall heights of 11’-6” (3.5 m) or more.

TITAN MBR MEM-FRAME™ - Page 2 TITAN MBR™ Membrane Advantages vs. Alternative Designs Durable Membrane & Module Composition TITAN MBR™ Membrane Data (typical) • Composed of PVDF [polyvinylidene fluoride] and PET Design Flux • Gravity feed into system eliminates need for pumps Flat-Plate Design Superior to Hollow Fiber Cleaning (In-tank) • Produces higher flux rates over the life of the membrane • Robust design prevents breakage experienced in alternatives Transmembrane Pressure • Membrane Sheets never collide during operation Pore Sizing non-woven fabric More Economical Cleaning Method: Clean...