Water treatment solutions for Chemicals
Veolia Water STI provides chemical industries with efficient water and wastewater treatment solutions, including desalination, cooling water, process water, ultrapure water, wastewater, solids treatments and evaporation-crystallization.
- High standard of safety
- compliance with environmental requirements
- High reliability and long-term solutions meeting HSE requirements
Industrial water, demineralized water
We optimize the quality and the reliability of the purified water produced by our facilities:
Softening, Filtration, Deionization, Reverse osmosis, Carbonate removal, Production of potable water, Drinking water polishing (nitrates, pesticides), Membrane filtration (UF, NF), Ozonation, Remineralization, Sterilization
- Feedwater for steam generators
- Make-up water for cooling systems
- Water for diluting, dissolving, and hydrolysis
- Pure and ultra-pure water
Industrial wastewater treatment
Each technological solution is tailored to the type of effluent involved:
Membrane bioreactors (MBR), Activated sludge, Anaerobic treatment, Adsorption, Advanced oxidation, Ozonation, Liquid/liquid extraction, Precipitation, Clarification, Neutralization, Stripping, Evapoconcentration, Crystallisation, Scrubbing
- Hard COD
- Metals, salts, pH
- Hydrocarbons
- Complex compounds (solvents, pigments,...)
Solutions for water re-use
Our portfolio of more than 600 patents and our close partnership with the research facilities of the Veolia Group enable us to guarantee every customer access to state-of-the-art technology and to provide efficient solutions for the re-use of your treated wastewater:
- Production of water for boilers and cooling circuits: Softening, Demineralization, Reverse osmosis
- Production of industrial water for your process needs: Membrane bioreactor (Biosep®) with Reverse osmosis or Demineralization
- Recovery and recycling of by-products: Acids, Potassium, Carbonate,...
Industrial sludge treatment
Safety, traceability, odor control, volume reduction and energy recovery have become major issues in the processing of sludge and by-products from the Chemical Industry.
In response to these challenges Veolia Water STI has developed, tested, and implemented durable cost-effective solutions.
- Thickening and dewatering
- Mesophilic and thermophilic digestion
- Volume reduction by thermal and
- Biological oxidation
- Hydrothermal oxidation
- Drying
- Incineration
- Odor control
Safety
- Preventing risks from engineering to operation
Quality
- Incorporating your quality requirements and ensuring the availability of your water treatment units
Environment
- Implementing clean technologies and a policy of Continuous Improvement and sustainable development
Demineralized water
Industrial wastewater treatment
Coatex, Genay - France
Coatex is one of the world's leading producers of rheological additives for aqueous formulations.