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EDI Technical Performance
The operating results of EDI components depend on a variety of operating conditions. The following are the minimum conditions to ensure normal EDI operation. To achieve better system performance, these conditions should be appropriately increased during system design.
EDI Inlet Water Requirements
To prevent clogging and shorten the lifespan of the device, EDI has certain requirements for the quality of the inlet water. Generally, RO permeate is used as the inlet water.
project | unit | index |
TEA | ppm | <25 |
electrical conductivity | μs/cm | 4-30 |
PH | 5-8 | |
hardness | ppmCaCO3 | <1.0 |
Active SiO2 | ppm | <0.5 |
Total organic carbon (TOC) | ppm | <0.5 |
Residual chlorine | ppm | <0.5 |
Fe, Mn, H2S | ppm | <0.01 |
SDI 15min | <1 | |
water temperature | ℃ | 5-35 |
Inlet water pressure | Psi/ kg/cm2 | 25-60/1.5kg/cm2--4kg/cm2 |
