BDF had SBR physical-chemical and biological treatment facilities which required increasing their capacity
Engineering solutions for wastewater treatment
More than 40 years of experience in the development and execution of engineering solutions for water treatment.
At SIGMA, our main objective is to provide innovative solutions for biological processes, filtration and disinfection to the different needs of effluents, water and wastewater.
SIGMA employs a work philosophy in which we prioritize long-term relationships with customers, providing them with continuous service and the best technology in the field of industrial wastewater treatment. SIGMA's knowledge of water and wastewater treatment processes guarantees the best result for each application.
In addition, SIGMA can contribute to the Guarantee of Processes and Products, having developed these specific processes, equipment and systems for each industrial application.

MBR system

Biological Reactor with membrane system
MBR (membrane bioreactor) technology has established itself as the safest and most effective solution in the biological treatment of wastewater.
Success stories

Production of ice cream-desserts
Helados Estiu SA
HELADOS ESTIU required water treatment facilities that would allow its discharge to the Sanitation of the town of Ribarroja

Juice industry
Riverbend S.A
RIVERBEND discharges its water to the Santomera joint industrial wastewater treatment plant, together with two other companies, which has anaerobic treatment technology
News
Since July 2020, SIGMA Group companies have moved to the Industrial Park of Pont-Xetmar, in Cornellà de Terri, Girona, our new facilities consolidates the
Keep readingGRUPO SERHS entrusts SIGMA with the treatment of its wastewater.
Keep readingStart-up of the new PROBASA facilities in Panama.
Keep reading