Environmental Technology » Salsnes Filter AS
Salsnes Filter AS is developing, manufacturing and marketing mechanical wastewater treatment systems of the brand; Salsnes Filter™. 
Where to use Salsnes Filter™
Salsnes Filter’s patented filter technology for wastewater treatment and effluent treatment is leading the Norwegian market in municipal primary treatment. All process industries with a substantial water-flow can use the fully-automated treatment technology to treat effluent, secure good quality of incoming water or to improve utilization of raw materials. Salsnes Filter is also a competitive alternative to a primary settling stage for a traditional chemical/biological treatment facility or preventing MBR fouling. Salsnes Filter does not just fulfil the primary requirements; it also has the technology to provide the necessary continuity and stable operation. Salsnes Filter has endless wire mesh screen and filter mat design and many control options that are important to secure the treatment results, in a cost effective way. The picture to the left shows one plant which was delivered to Tromsø municipality in 2009. The process in this WWTP is designed for 45 000 PE. This plant removes appr 65-70% TSS and dewaters sludge to 40-50% DS. The process has a footprint of only 300 m²
Products & process
The fully automated process integrates filtration, thickening and dewatering and has a unique patented technology for filter cleaning with continues backwash of filter media. Salsnes is proven by the Norwegian Environmental Protection Agency ( SFT ) as the most effective product for solid separation within municipal wastewater treatment. The Salsnes Filter™ system normally remove 50-70% of the TSS and 20-30% BOD5, as a stand alone system. The advantages of Salsnes Filter™ is extremely low footprint, low cost and a sludge with high energy level for e.g. biogas production.
International cooperation
The company was established in 1991 and runs its operation from Namsos in Norway. Activities within the Norwegian and international market are co-ordinated from here, along with the operation of domestic projects including total delivery with training and service. Salsnes Filter serves the international market through cooperative partners with classified distribution contracts.
