Clewer, a Finnish undertaking, is a leading developer of patented wastewater cleaning technology

Pioneer in Wastewater Treatment

Clewer has patented the RBBR (Rotating Bed Biofilm Reactor) bioreactor and related microbiology. One of the foundations of the bioreactor’s operating principle is utilising centrifugal forces in biofilm growing.

Clewer Group is a part of the Finland-based Salmela Yhtiöt established in 1985. Together with other companies owned by Salmela family, companies employ more than 6 700 employees with annual turnover exceeding 300 M euros.

Clewer OY Downloads

Clewer - Single House Unit for Wastewater Treatment - Brochure