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

• - Screening,
• - Sand and grit removal,
• - Degreasing,
• - pH neutralisation

Waste Water : Physico-chemical treatment

• - Coagulation,
• - Flocculation,
• - Floatation,
• - Sedimentation

Eaux usées  : Biological treatment by attached-growth process

• - Rotating biological contactors
• - Bio-filters
• - Submerged fixed supports

Waste Water : Biological treatment by suspended culture reactors

• - Activated sludge,
• - Extensive solutions,
• - Ponds, sewage lagoons

Waste Water : Filtration

• - Membrane
• - Sand
• - Activated carbon

Waste Water : Disinfection

• - Ultra violet light
• - Chlorination
• - Ozone…