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Low-Pressure Spiral RO Membrane Element ES15-U

RO Element with Large Membrane Surface Area, Realizing High Water Permeate Flow at Ultra-Low Pressure Operation.
Outline
ES15-U is a fully aromatic polyamide ultra-low pressure spiral RO membrane element suitable for applications such as intermediate RO, post RO or recovery RO in ultrapure water production systems etc. Its excellent features allow drastic reduction in start-up time, facility costs and a required installation space.
Features
  • The water permeate flow increased significantly while maintaining the IPA rejection at 93% which is equivalent to the previous model.
  • Non-organic iron and TOC elution levels are minimal due to the maximized cleanliness of the membrane element.
Sizes
ES15-U8 Φ201×1,016L[mm]
Performances
ES15-U8 Rejection[%] Permeate Flow[m3/d]
Nominal Nominal Minimum
94 40 35
[Evaluation conditions] •Evaluation solution: Pure water •Operating pressure: 0.74MPa •Water temperature: 25°C •Concentrate flow rate: 90L/min

[Membrane surface area] Effective membrane surface area based on the product design
*The above values are sample observed values, not the guaranteed performance.

Operating Conditions
Item Unit Recommended operating condition Usage limit
Operating pressure MPa Set according to the designed flux Max.4.1
Operating temperature °C 5～30 Max.40
Concentration of residual chlorine mg/L 0 Max.1.0(during cleaning)
pH range - - 1～11(during cleaning)
Feed flow rate L/min - Max.245
Concentrate flow rate 55～65 Min. 44
Pressure drop 1 element KPa ＜50 Max.80
Over 5 element ＜200 Max.410
*Above figures are only for the purpose of guidelines and not the guaranteed figures.

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