Field of activity: Research department - Engineering


COHIN ENVIRONNEMENT has a long experience in design and build of   waste water treatment plant for urban and industrial. COHIN ENVIRONNEMENT offers to its clients over 40 years experience in this area with more than 100 WWTP for urbans and industrials. The company offers  installations from design to commissioning, including assembly and staff training in the following :

  • Sanitary wastewater and urban effluents
  • Collective and semi-collective sanitation
  • Life bases
  • Hospitals
  • Buildings and shopping centers
  • Hotel complexes
  • Industrial wastewater
  • petrochemicals,
  • agrifood,
  • brewery, dairy, cheese factory, ready meals
  • chocolate factory
  • stationery store
  • washing stations
  • mechanical …
  • Treatment of process and utility water
  • Demineralization
  • Water softening
  • Filtration systems

Two patented improvements have been made to the SBR process, allowing the treatment of waste water in a single basin.

Our teams have designed a compact and mobile wastewater treatment plant: the WASTE WATER BOX, for the treatment of urban, industrial, lagoon.The development of a wide range of WASTE WATER BOX, from to 40′ container to wood or composite solution, allows us to provide modular and expendable disposal to bring solution to the variations of effluents flow to treat.

COHIN ENVIRONNEMENT, known as a Leading Innovative Company, has developed a fully biological treatment plant, “ UNIBIOCELL process”, located in a single basin.The 100% biological treatment UNIBIOCELL, allows a 20% energy saving and produces 30% less sludge compared to a conventional installation.

COHIN ENVIRONNEMENT suit your needs with advice, audits, studies, and technical assistance, as well as any specific services in relation with the development of wastewater process, sludge treatment, ….

COHIN ENVIRONNEMENT, proposes solutions integrating circular environmental technology, to recovery solid and liquid waste, sludge and treated wastewater re-use

Key figures



32 bis, Rue Victor Hugo
92800 - Puteaux - France Phone: +33 (0)1 84 73 21 21


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Intervention domains

Biochemical processes - Chemical-physical processes - Mechanical-physical processes - Regulations - Audit - Consultancy - Studies and Engineering - Sewage treatment plant - Sewage, industrial, cleansing and dredging sludge - Wastewater - Regulations - Audit - Consultancy - Studies and Engineering - Water re-use and saving

Certifications, labels or price

2nd Prize at the PEXE Innovation Forum.

Patented UNIBIOCELL purifying process

Member of SYNTEAU (National Union of Water Treatment Companies)
Member of Bretagne Eco Entreprise and Aqua Valley Clusters

Key figures

International turnover


32 bis, Rue Victor Hugo
92800 - Puteaux - France