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Our local presence

We operate in more than 15 countries, close to the needs of our customers.

+120

locations worldwide

50

industrial sites in France

Industrial water treatment

Operation and maintenance of industrial water treatment facilities

The essential

Optimization of your facilities and operating expenses Circular economy and ReUse: recovery of treated wastewater and sludge Performance-based contracts to ensure water complies with environmental standards or your production requirements

benefit from a professional's expertise

Comprehensive services to operate and maintain your water treatment facilities

To operate and maintain facilities, Séché Traitement des Eaux Industrielles (STEI) leverages the expertise it has acquired over 25 years working in industry for a great many clients.

We work with you to optimize the operation and maintenance of all your facilities, whether that is water production plants (process water, ultra pure water, heat transfer water…) or effluent and sludge treatment plants.

Multi-process specialists

Our highly competent engineers and technicians are proficient in the processes and technologies that span the entire water cycle:

  • Water purification (filtration, softening, ultra filtration, reverse osmosis, demineralization…)
  • Physicochemical processes (coagulation, flocculation, redox, neutralization, oil separation…)
  • Biological treatment (aerobic, anaerobic)
  • Liquid-solid separation (sedimentation, lamellar sedimentation, floatation, filtration…)
  • Membrane treatments
  • Polishing (adsorption using activated carbon, filtration, disinfection…)
  • Evapo-concentration
  • Dehydration of sludge (centrifugation, filtration using mechanical supports…)

Performance-based contracts

Our specialized technicians enable us to guarantee the continually high quality of the water we treat. We manage every level of maintenance (from 1 to 5) and put in place on-call rotas so we can intervene 24/7 if necessary. Our processes are designed to reduce discharge and ensure it is fully compliant with environmental standards. 

Recycling and reusing treated wastewater

Process water is an essential component in manufacturing and transformation processes. By reusing wastewater, you reduce:

  • your environmental footprint and help preserve a precious resource at a time when the climate is warming and conflicting demands are on the rise
  • industrial risks related to your water supply
  • operating expenses by minimizing consumption

We support you all throughout your project by auditing your existing facilities, drawing up a reuse plan, conducting feasibility studies, building or commissioning facilities or providing maintenance of technical assistance.

Clients from across the entire economy, including the agrifood, chemical, petrochemical, metallurgy, transportation, electronics and defence industries, place their trust in us.

Our Group has been providing environmental services for many decades. We have developed a clear understanding of the main constraints as all our own facilities are listed under French environment protection regulations (ICPE) and sometimes Seveso. Managing safety and hazards form an integral part of our work, as does preserving natural environments and creating circular economy loops.

Why outsource?

Audit and solution design

We audit the facility under operation, sometimes even conducting a full audit of the water cycle, depending on your needs. Our specialist Technical Department and R&D teams trial solutions in the lab or at industrial pilot sites if necessary.

We audit the facility under operation, sometimes even conducting a full audit of the water cycle, depending on your needs. Our specialist Technical Department and R&D teams trial solutions in the lab or at industrial pilot sites if necessary.

Contractual framework

We work closely with our clients to draw up a contract tailored to suit each facility.

We work closely with our clients to draw up a contract tailored to suit each facility.

Operation/Maintenance

We provide a range of services and can also offer 24/7 on-call assistance:

  • Oversight and management of the facility
  • Analytic tracking and settings
  • Provision of reagents
  • By-product management
  • Technical maintenance
  • Reporting, etc.

We provide a range of services and can also offer 24/7 on-call assistance:

  • Oversight and management of the facility
  • Analytic tracking and settings
  • Provision of reagents
  • By-product management
  • Technical maintenance
  • Reporting, etc.

Continuous improvement

All throughout the contract we strive to achieve continuous improvement in operating the facility, optimizing costs and recovery channels for sludges, effluent and water. Our teams can help you develop and implement a progress plan, and fine tune it wherever necessary.

All throughout the contract we strive to achieve continuous improvement in operating the facility, optimizing costs and recovery channels for sludges, effluent and water. Our teams can help you develop and implement a progress plan, and fine tune it wherever necessary.

Our industrial water treatment experts at your service

Contact the expert nearest to you
Delphine de Gea © Séché Environnement

Northern France, Greater Paris region

Delphine De Gea - Business Development Director

Eastern France

Matthieu GIRARD - Business Development Director

Southern France

Franck Degrutère - Business Development Director

Western France

Jérôme Martin - Business Development Director

Key figures

PEOPLE
350
highly qualified employees focused on treating industrial water
TRUST
>180
TEI contracts in France

In pictures

Operator checking the equipment at an industrial effluent treatment plant
Operating technician at an industrial effluent treatment plant. Séché Environnement. Photo : Laurine Paumard

Operation of an industrial effluent treatment plant

Harnessing industrial sludge as a source of secondary raw material

Reasons to place your trust in us

Renowned technical expertise

Séché Environnement provides tailored solutions that integrate a vast range of techniques. We operate and maintain process water production facilities, cooling loops and boiler water. We also treat all types of simple and complex liquid effluent (including hard COD, oils and hydrocarbons, organic pollutants, metals and micro-pollutants). We are renowned for our expertise in safely treating hazardous substances (H2S risk management, ATEX, CMR…). 

Séché Environnement provides tailored solutions that integrate a vast range of techniques. We operate and maintain process water production facilities, cooling loops and boiler water. We also treat all types of simple and complex liquid effluent (including hard COD, oils and hydrocarbons, organic pollutants, metals and micro-pollutants). We are renowned for our expertise in safely treating hazardous substances (H2S risk management, ATEX, CMR…). 

Optimization of costs and environmental performance

Our specialist teams are here to help you optimize your facilities and cut your operating costs. The studies team and its laboratory focus on developing the most effective solutions. We provide our clients with the most cutting-edge technology when working on construction or concession projects.

Our specialist teams are here to help you optimize your facilities and cut your operating costs. The studies team and its laboratory focus on developing the most effective solutions. We provide our clients with the most cutting-edge technology when working on construction or concession projects.

Solutions that facilitate the environmental and energy transition

It falls within your Corporate Social Responsibility (CSR) to reduce your environmental and water footprint. By controlling discharge, recycling and reusing water, we help you comply with regulatory requirements and respond to growing concerns about the availability of water. As specialists in the circular economy, we develop solutions to reduce the environmental impact and carbon footprint of your projects, and thereby help combat climate change. 

It falls within your Corporate Social Responsibility (CSR) to reduce your environmental and water footprint. By controlling discharge, recycling and reusing water, we help you comply with regulatory requirements and respond to growing concerns about the availability of water. As specialists in the circular economy, we develop solutions to reduce the environmental impact and carbon footprint of your projects, and thereby help combat climate change. 

Committed to protecting biodiversity

Since the Group was first established, it has placed great importance on protecting and preserving the biodiversity on and around our sites. We monitor natural habitats, optimize public health and safety, and protect the environment to support biodiversity. The Group takes action on the ground at all its sites and those of its clients wishing to take advantage of this expertise.

Since the Group was first established, it has placed great importance on protecting and preserving the biodiversity on and around our sites. We monitor natural habitats, optimize public health and safety, and protect the environment to support biodiversity. The Group takes action on the ground at all its sites and those of its clients wishing to take advantage of this expertise.

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