FILMTEC LCLE-4040 4″ Membrane element

Parametrat

Kapaciteti depërtues

9,5 m³/h

Rikthimi

10,3

%

Maximum TDS

10,3

mg/L

Kërkesa për rrjedhje ndikuese

99,2

m³/h

Presioni operimit

41

bar

Konsumi i energjisë

45

kw

Parametrat

name

00

mm

The membrane element Dow Filmtec™ LCLE-4040 is intended for commercial use. The substitute for the production of high purity water and guarantees a low cost of the water treatment system.

Dow Filmtec™ LC LE-4040 provides high quality permeate even with low quality inlet water and low pressure.

Tiparet kryesore

  • Dow Filmtec™ membrane (USA) is the world standard for water purification
  • Clean water for business – 9 500 liters of water of stable quality per day
  • High energy efficiency due to low operating pressure
  • Large active surface of ​​the element provides higher productivity
  • Automated high-precision production makes it possible to obtain elements with maximum active surface

Specifikat

Technical data

  • Nominal active surface – 8.7 m²
  • Operating pressure – 10.3 bar
  • Permeate volume – 9.5 m³/day
  • Stabilized salt rejection – 99.2 %
  1. Permeate flow and salt (NaCl) rejection based on the following standard test conditions: 2.000 mg/L NaCl, 25 °C, 15% recovery.
  2. Flow rates for individual elements may vary but will be no more than 15% below the value shown.

Operating conditions

  • Maximum operating water temperature – 45 °С
  • Maximum operating pressure – 41 °С
  • Maximum pressure drop – 0.9 bar
  • pH range, operational mode – 2…11
  • pH range, chemical cleaning mode – 1…13
  • Maximum feed silt density index SDI < 5
  • Free chlorine tolerance – <0.1 mg/L

Maintenance

Before launch of the reverse osmosis system preliminary preparation of the membrane, refill of the elements, adjustment of the devices and other system checks should be performed.

Avoid any major pressure or flow surges inside the spiral-wound elements in the middle of launch, stop, cleaning etc. to avoid risk of damage infliction to the membrane. During the launch it is recommended to gradually switch the system from standstill to operational mode following the steps:

  • gradually increase feed water pressure during 30-60 seconds
  • operational rate of the flows should be developed gradually during 15-20 seconds
  • permeate obtained within the first hour of operation is discharged

Important information

  • After the initial soaking always keep the elements wet.
  • To prevent biofouling during long operation breaks it is recommended to submerge the membrane elements into preservative solutions.
  • Maximum pressure drop along the full length of the housing makes 2.1 bar.

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