eaux usees traitement des eaux
OISEL Group, Traitement des eaux dans l'Océan Indien

Water Treatment Specialist


Reuse of water



Reuse of water
  • » Irrigation
  • » Recycling for industrial use






Potable Water



Potable Water
  • » Coagulation & flocculation,
  • » Lamellar clarification
  • » Filtration (sand, activated carbon and/or membrane...)
  • » Disinfection
  • » Storage & redistribution



Seawater Desalination



Seawater Desalination
  • » Interception,
  • » Reverse osmosis,
  • » Mineralisation,
  • » pH control,
  • » Mobile unit, containerised packaged plant and others...


Sludge



Sludge
  • » Dehydration (centrifugation, filter press, gravity belt thickener...),
  • » Stabilisation (lime…),
  • » Air Drying,
  • » Composting


Odours



Odours
  • » Deodorisation by physisorption
  • » Biological deodorisation

√ Our Competences

OISEL covers the whole of the water usage cycle from upstream to downstream use, by making use of all available technologies to meet the specific requirements of a project and achieve the standards imposed and the targeted quality.


Waste water



Waste water : Primary treatment
» Primary treatment
  • - Screening,
  • - Sand and grit removal,
  • - Degreasing,
  • - pH neutralisation




Waste Water : Physico-chemical treatment
» Physico-chemical treatment
  • - Coagulation,
  • - Flocculation,
  • - Floatation,
  • - Sedimentation




Eaux usées  : Biological treatment by attached-growth process
» Biological treatment by attached-growth process
  • - Rotating biological contactors
  • - Bio-filters
  • - Submerged fixed supports




Waste Water : Biological treatment by suspended culture reactors
» Biological treatment by suspended culture reactors
  • - Activated sludge,
  • - Extensive solutions,
  • - Ponds, sewage lagoons





Waste Water : Filtration
» Filtration
  • - Membrane
  • - Sand
  • - Activated carbon





Waste Water : Disinfection
» Disinfection
  • - Ultra violet light
  • - Chlorination
  • - Ozone…


OISEL : Water treatment plant - Contact OISEL Mauritius & OISEL Reunion