Waste water treatment solutions

After more than 30 years of experience in the design, engineering, execution management, construction, operation and maintenance of wastewater treatment plants (WWTPs), both for administrations and industries, PESA Medioambiente is a leading company in the sector. Our knowledge of all phases of the life cycle of facilities and experience in different geographies allows us to design and execute efficient, robust solutions adapted to local needs and conditions and to the environmental and health requirements of each context, optimising investment and operating costs.

We offer a wide range of wastewater treatment technologies:
  1. Pretreatments
    • Screens and sieves
    • Sand separation and grit removal
    • Compact plants
  2. Primary Treatments
    • Conventional primary clarification
    • Lamellar decantation with primary sludge thickening
    • Dissolved Air Flotation (DAF)
    • Physical-chemical treatments
  3. Biological treatments
    1. Treatments with suspended biomass: active sludge with or without nutrient removal
      • Conventional and/or prolonged aeration in flow piston, carousel, banderpho etc...
      • Sequencing Batch Reactors (SBR)
      • Membrane Bioreactors (MBR)
    2. Treatments with fixed biomass
      • Mobile Bed Bioreactors (MBBR)
      • IFAS
      • Biodiscs technology
      • Trickling filters
      • Biological Aerated Filters (BAF)
  4. Tertiary treatments and reuse
    • Filtration, microfiltration, ultrafiltration and reverse osmosis
    • Disinfection (chlorination, ozone and UV)
    • Advanced disinfection
  5. Solutions for small cores
    • Compact and containerized sewage treatment plants
    • Phytodepuration
  6. Energy recovery and biodigestion
    • Mesophilic and thermophilic anaerobic digestion
    • TPAD (Thermo Phased Anaerobic Digestion)
    • Sonication sludge
    • Thermohydrolysis (THP)
    • Upgrading biogas
    • Thermal sludge drying with or without use of residual energies
    • Solar sludge drying with or without the use of residual energies
    • Cogeneration CHP
    • Steam generation using residual energy
    • Gasification o Combustion
    • Evaporation
    • Crystallization
  7. Sludge treatment
    • Biological or chemical stabilization, dehydration and drying
  8. Treatment of emissions and odours
    • Chemical or biological deodorization

How can we help you?

At PESA Medioambiente we help our clients with their challenges in wastewater management, as well as a conventional WWTP project with water reuse for irrigation, a compact installation in an environmentally protected space, or an effluent treatment plant with a high organic load in an agro-food industry. Do not hesitate to contact us to discuss specific details of your problem and find out how we can help you.

Integral vision of water treatment

From the definition of the technological process and the development of the associated engineering, to the turnkey construction of an installation, start-up, operation and optimisation of the plant, we contribute our experience throughout the entire water cycle.

Our references

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