Desalination Pretreatment: seawater filtration

Sea water filtration

Pre coagulation : Ferric Chloride, Aluminum sulfate, Poly aluminum chloride (PAX)

Multimedia filtration

filtration rate: 10-15 m/h

Media: Anthracite, gravel

Desalination Key Issues

Seawater Intake

Desalination Pretreatments

• Chlorination
• Coagulation / Multi-media Filtration
• Dechlorination
• Antiscalant
• Microfiltration
• Ultrafiltration
• Flocculation / Sedimentation

Desalination Post-treatments

Reverse Osmosis Desalination Process

Desalination and Energy Costs

Brine Disposal

Membranes cleaning

RO-cleaning

Containerization