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EDI 高温运行

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Based on traditional EDI technology,revolutionary innovation is carried out to the internal structure of EDI module with counter-current full-packing technique adopted, which broadens the water supply requirements of EDI, features simple operation and results in low operating costs.
No salt Injection
EDI does not consume salt and recycle the concentrate in operation, which save much expense and makes the system much simpler.
Counter current
Concentrate and electrolyte stream are flowing into EDI in opposite directions to feed water can avoid fouling effectively. Then it broadens the feed water limit adequately.
Low energy consumption
EDI filled with resin reduces the EDI module resistivity significantly,which rdduces the energy consumption largely.
High quality materials and components
High quality ion-exchange membrane and appropriate degree of resin compaction make the EDI work effictively.
Simple arrangement,installation,operation and electricity safety
Easier to array modules side-by-side on a skid,The power connector of EDI is waterproof.
Electric Specification
1. The requirements of DC power used in EDI systems, Including ripple and current control,are quite unique,to meet these requirements.
2. Digital display
3. High frequency and high efficiency,high PF(Power factor), high reliabillty.
4. Low ripple,low noise and small foot print.
5. Individually controlled
Applications
1. Advanced boiler feed water desalination
2. Purified water for petrochemical and chemical purposes
3. Purified water for biochemical and pharmaceutical purposes
4. Purified water for electronic industry
5. Purified water for laboratories

Maximum Feed Water Requirements

Feed Water Conductivity

Equivalent,including CO2 and Silica

<40μS/cm

Feed Water Source

RO permeate

Temperature

41-113oF(5-45)oC

Inlet Pressure

100 psi(7 bar)

Maximum Total Chlorine(as Cl2)

<0.02 ppm

Iron(Fe)

<0.01 ppm

Manganese(Mn)

<0.01 ppm

Sulfide(S-)

<0.01 ppm

pH

4-11

Total Hardness(as CaCO3)

<1.0 ppm

Dissolved Organics(TOC as C)

<0.5 ppm

Silica(SiO2)

<1.0 ppm


Typical Module Performance

Operating Parameters

Recovery

90-95%

Pressure Drop Range at Normal Flow

20-30 psi (1.4-2.1 bar)

DC Voltage

0-600V

DC Amperage

0-6.0

Product Water Quality

Product Resistivity

>16 megohm-cm

Silica(SiO2) Removal

90-99%


Complete EDI system assembly
1. Booster Pump
2. EDI Module
3. Electric Voltage Controller
4. Pressure Gauge
5. Flow Meter
6. Pipe & Fitting & Valve
7. Skid
8. Resistivity Meter
9. Electric Cabinet

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