Industrial Membrane Nanofiltration NF Systems NF-400

Industrial Membrane Nanofiltration NF Systems NF-400
Product Description

Pure Aqua’s nanofiltration is a membrane filtration process used most often with low total dissolved solids water such as surface water and fresh groundwater, with the purpose of softening (polyvalent cation removal) and removal of disinfection by-product precursors such as natural organic matter and synthetic organic matter. Nanofiltration is also becoming more widely used in food processing applications such as dairy, for simultaneous concentration and partial (monovalent ion) demineralization.

Pure Aqua supplies a full line of standard and fully customizable nanofiltration systems, all of which are engineered using advanced 3D computer modeling and process design software for accurate and customized solutions.

[custom-specifications]

Operation Specifications:

  • Max. feed water temperature: 42°C

  • Feed water pressure: 20 to 50 psi

  • Operating pressure: 80 to 125 psi

  • H2S must be removed

  • Turbidity should be removed

  • Max. iron content: 0.05 ppm
  • Feed water TDS: 0-1,000 ppm
  •  
  • Equipment upgrade for higher TDS values

  • Hardness over 1 GPG requires antiscalant dosing

  • pH tolerance range: 3-11

  • Max. Silica Tolerance: 60 ppm @ 60% recovery

  • Operate at higher TDS by lowering recovery
Industrial Nanofiltration NFSystem NF-400

Model Number

Permeate Flow Rate

Quantity of 8" Membranes

Motor Rating at 1,000 ppm 60Hz (hp)

Approx. Weight (lbs)

Dimensions L"xW"xH"

GPD

M3/D

NF-25K-1480

25,200

95

4

5

2,300

190x43x61

NF-32K-1580

32,400

123

5

5

2,350

230x43x61

NF-38K-1680

38,700

146

6

5

2,400

270x43x61

NF-51K-2480

51,300

194

8

5

2,500

190x43x63

NF-64K-2580

64,800

245

10

10

2,600

230x43x65

NF-78K-3480

78,300

296

12

10

2,700

190x43x75

NF-97K-3580

97,200

368

15

10

3,200

230x43x75

NF-117K-3680

117,000

443

18

15

3,500

270x53x77

NF-129K-4580

129, 600

491

20

15

4,200

230x53x87

NF-155K-4680

155,700

589

24

15

4,550

270x53x88

Note: The above information is to be confirmed after providing detailed water analysis. Nanofiltration systems are the same as RO systems, and must have good pretreatment and antiscalant dosing systems.

[/custom-specifications]

[custom-features]

Standard Features:

Available Options:

  • Powder coated carbon steel frame

  • 8” TFC spiral wound membranes

  • Stainless steel multi-stage pump with TEFC motor

  • FRP membrane housing

  • 5 micron cartridge prefilter

  • 460V/3ph/60Hz power requirement

  • Microprocessor based control panel

  • Programmable time delay and set points

  • Status indicators

  • Motor starter

  • NEMA 12 enclosure

  • Low pressure switch

  • High pressure switch

  • Liquid filled pressure gauges

  • Permeate conductivity monitor

  • Permeate & concentrate flow meters

  • Remote monitor/control option

  • Feed water conductivity monitor

  • Membrane cleaning skid

  • Automatic hourly flush

  • Feed/permeate blending

  • 220V or 380-415V/3ph/50 or 60Hz

  • Product tank level switch

  • Feed pH controller with sensor

  • Feed ORP controller with sensor

  • Flow totalizer

  • Chemical dosing systems

  • Media and iron prefiltration systems

  • UV sterilization systems

  • Water softeners

  • Post RO systems

  • Containerized NF systems
[/custom-features]
[custom-usage]

Nanofiltration is also becoming more widely used in food processing applications such as textile industry wastewater treatment, dairy, for simultaneous concentration and partial (monovalent ion) demineralization.

[/custom-usage]
[custom-documents]
Industrial Membrane Nanofiltration NF Systems Data Sheet NF-400
[/custom-documents]
[custom-360-view]

Here at Pure Aqua, Inc., we engineer and build all of our water treatment systems in-house.

Our turn-key water treatment systems are all pre-engineered using the latest CAD technology available.

This enables our teams to build and deliver treatment systems to our customers with quick turnaround times.

Many of our customers require custom engineered systems. These are typically built around similar core systems and thus allowing for improved turnaround times, even for one-off designs.

 
[/custom-360-view]
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