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.

AguaSIGMA: Características de empresa

MBR system

AguaSIGMA: Reactor biológico MBR

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.

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Encuentre su solución ideal

En tan solo un minuto descubra cuál es la solución ideal que mejor se adapte a sus necesidades para el tratamiento de aguas residuales:

AguaSIGMA: Calcula tu equipo

Success stories

Análisis de la situación, estudio de posibilidades, y posterior
cálculo, diseño, construcción, suministro, período de prueba y entrega definitiva.



BDF Beiersdorf (Nivea)

BDF had SBR physical-chemical and biological treatment facilities which required increasing their capacity


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


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Photo of the main façade of the new SIGMA Group facilities located in the Pont-Xetmar industrial estate in Cornellà de Terri, Girona.

SIGMA Group, new facilities in Cornellà de Terri, Girona

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

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GRUPO SERHS entrusts SIGMA with the treatment of its wastewater.

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PROBASA facilities in Panama

Start-up of the new PROBASA facilities in Panama.

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