EDI WATER TREATMENT
Electrodeionization Water Treatment
EDI module is usually placed behind the reverse osmosis system, which not only overcomes the lack of deep desalination of reverse osmosis effluent, but also further removes trace carbon dioxide, residual salt, silicon dioxide, boron and total organic carbon plasma in RO water, greatly improving the quality of purified water.
It is widely used in biotechnology, pharmacy and other industries that must generally comply with and comply with USP, EP, JP and ChP regulations.
※ Post EDI Ultrafiltration
※ A post EDI UF System with 6000 Daltons Molecular Weight Cutoff membranes serves to produce highly purified water having a compliance with low endotoxin values.
※ A post EDI UF can have a TOC reduction UV with 194 nm wavelength or 254 nm wavelength for bacterial control as an option.
Specification of EDIWater Treatment System
|
Water inflow requirements |
|
|
TEA（with CO2） |
<25mg/L as CaCO3 |
|
Hardness |
<1mg/L as CaCO3 |
|
TOC |
<0.5mg/L |
|
Temperature |
5-43℃ |
|
PH |
5-9 |
|
Silicon |
<0.5mg/L |
|
Free Chlorine |
<0.05mg/L |
|
Water inlet pressure |
30-100psi |
|
Fe,Mn,H2S |
<0.01mg/L |
|
Rate of recovery |
90-95% |
How Does EDI Water Treatment Works?
Process Principles
Enhanced transfer regime (high salinity)
– Remove strong ions from water
Electroregeneration regime (low salinity)
– Remove ionizable species (weak acids or weak bases) from water
FEATURES OF EDI WATER TREATMENT
The most cost-effective way to upgrade RO purified water system (PW) to high purified water system (HPW).
Effective minimum flow interlocking and current overload protection device.
Excellent water quality performance under different working conditions.
Front and rear UV devices (optional), thermal disinfection module (optional).
PLC+HMI full-automatic control mode.
Fully comply with GMP, USP and cGMP requirements.
If you want to know more types of pharmaceutical water purification system, please visit our website.
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