Salsnes Filter
PRIMARY TREATMENT WITH SEVERAL ADVANTAGESThe advantages of using the Salsnes Filter include superior performance, compact size, reduced sludge production and reduced effluent, all from proven, reliable technology. CONSIDERABLE COST-SAVINGSThis product provides considerable cost-savings over existing outdated technologies. A cost analysis of the Salsnes Filter shows it to have one of the lowest energy, materials, labor, and solids handling costs of any mechanical primary treatment system on the market. MODULAR AND ADAPTABLEThe Salsnes Filter is pre-engineered, very compact and easy to install and operate. It has been developed to work as a primary treatment process, and as it is modular, it can be combined with existing technology and used in any size of facility. The technology is widely accepted in Europe (particularly Scandinavia) and has an excellent track record. The process incorporates an endless mesh screen, moving upwards in a continual motion, concurrent with the influent flow. The Salsnes Filter has 4 unique models which can be customized for varying capacities. 40-70% TSS reduction | 30% BOD reduction | produces 25-40% solidsThe Salsnes Filter can relieve primary treatment burden at municipal and industrial wastewater treatment plants in a very small footprint, saving major infrastructure investment and space. Salsnes Filters are compact, completely covered systems which are easy to maintain. Screenings dewatering and odor containment are integrated parts of the machine. The Salsnes Filter removes organic and inorganic solids as fine as 15-30 micron. It removes high percentages of TSS and particulate BOD in wastewater. For most municipal applications, this means removal of 40-70% TSS and 30% BOD. The Salsnes Filter cost-effectively reduces the organic load on downstream processes. Reduced load means more capacity in existing plants and smaller downstream processes (with resulting cost savings) in new plants. When compared with sedimentation as primary sewage treatment, the Salsnes Filter typically requires less than 50% of the capital investment and less than 10% of the footprint. APPLICATIONSWith over 240 installations as of 2007, the Salsnes Filter has been used effectively for:
HOW IT WORKSThe Salsnes Filter removes solids on a continuous-loop fine mesh screen. As the screen moves, it carries solids out of the flow and drops them into a hopper. An auger press dewaters the collected screenings while screened wastewater flows through the unit. As the screen rotates, a patented air-blower system forces the retained screenings off the mesh and into the screenings hopper, virtually eliminating solids carry-over. Additionally, a patented hot water wash periodically removes any grease or other solids that may adhere to the mesh.
Salsnes supplies standard equipment ranging in sizes suitable for small communities to large cities. There is no limitation in flow capacity designs. The Salsnes Filter is available in four unique models which can be customized for varying capacities, with up to 3.7 MGD in a single unit.
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Blue Water Technologies is the exclusive distributor of the Salsnes Filter in the U.S.A. The Salsnes Filter is the most innovative technology for primary treatment, sludge dewatering and is the most effective, self-cleaning fine screen on the market.
