Salher designs a pioneering manufacturing system for GFRP tanks.

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Experts in water treatments

With more than 35 years of experience, SALHER is a major player in the water treatment sector in Spain and worldwide.

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Discover our activities

As an international water solutions provider, SALHER structures its activities around the four key sectors.

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A full range of water treatment solutions

Our plant range covers needs for 50 to 10.000 Population Equivalent.

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Urban water
Domestic wastewater treatment plant

Domestic wastewater and rainwater

Our projects in urban water facilities reach up to 2.000 m³/day.

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Water treatment
terciary equipment

Water recovery and recycling

Wastewaters were considered to be simple discharges, but have gained recognition as a valuable resource.
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Industrial water
Industrial water treatments

Industrial water treatments

Salher provides water treatments relevant to various industry sectors, including food, automotive, petrochemical, etc.
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Oil separation
Separador de hidrocarburos

Mineral grease and hydrocarbon

Salher® brand oil-water separators are installed worldwide.

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Salher is a company with more than 35 years of experience in the design and manufacturing of urban and industrial wastewater treatment plants, purification plants, grey water reuse systems, hydrocarbon separators, as well as accessories for wastewater treatment. Salher is one of the leading companies in the water sector in Europe.

Salher owns factories in Spain, Portugal, Poland and Brazil; we also have distributors in more than 50 countries and equipment installed in more than 120 countries, putting Salher at the forefront of the water treatment industry.
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Latest news


Salher bets on the Aquatech Mexico exhibition.

The International Water Industry Exhibition, Aquatech Mexico, celebrates its 2nd edition from 5th to 7th September.
Salher participates once again in this event for professionals of the wastewater and drinking water sector, in partnership with the company GEE Wastewater Solutions


Salher designs sewage treatment processes in 3D modeling

Salher as a provider of wastewater treatment solutions designs turnkey wastewater treatment systems. Salher supplies the right technology to be able to adapt to the requirements of each project.


Salher collaborates with large Engineering organisations in the Energy sector

Water and Energy are naturally interconnected. To generate electricity or fuel by coal, oil and gas extraction, geothermal power stations, hydroelectric plants, nuclear plants, solar power plants and, to a lesser degree, wind power plants, the water footprint can be very important.


The Container Terminal of Moin in Costa Rica will have a WWTP and reuse system manufactured by Salher

The efficient wastewater management is one of the greatest challenges of the 21st century. On 22nd March, World Water Day, the UN drew attention and sensitized the world population to the consumption of fresh water and the discharge recovery.

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Wastewater treatment plant engineering – Liquid/solids separation equipment for industrial and municipal process applications – Surface waters – Groundwater – Water reuse – Drinking water – Hydrocarbon and oil water separation.

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