Ontzilting Nabehandeling : Polijsten Stappen voor Demi water productie

Desalination Key Issues

Seawater Intake

Desalination Pretreatments

Desalination Post-treatments

Ontzilting Polijst stappen

Reverse Osmosis Desalination Process

Ontzilting en energiekosten

pekel Verwijdering

Membranes cleaning (CIP)

Opslag en distributie

Containerization

Instrumentation and Control (SCADA)

Polijst Stappen voor Demi / Ultra puur water

Ionenwisseling
Gemengd Bed
Electrodyalisis (EDI)

Qualiteit RO-water Demi-water Pure Water Ultra pure water
Conductivity 10-100 uS/cm 1-10 uS/cm 1-0.1 uS/cm 0.1-0.0555 uS/cm
Resistivity 0.1-0.01 MOhm 0.1-1 MOhm 1-10 MOhm 10-18 MOhm
Polishing step after 1st pass SWRO desalination process 2nd pass BWRO or SWRO (high temperature and salinity) 2nd-pass RO + strong Ion exchange resins 2nd-pass RO
+ strong Ion exchange resins + Mixed Bed resin
2nd-pass RO
+ strong Ion exchange resins
+ EDI or Mixed Bed Nuclear grade resin