NF & UF Membrane

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Nano Filtration Membrane Series

Nano Filtration Membrane Is A Special And Functional Semi-permeable Membrane Which Selectively Allows Certain Lmw And Low-valention To Pass Through .its Desalination Rate Is Between 40-98%.it Can Block The Organic In The Range Of 150-500 Lmw, And It Performs Better In Desalinating Single Valence Anions Solution. Now Days, Nano Membranes Have Been Widely Used In Many Fields, Including Drinking Water, Food Processing, Pharmaceuticals And Biology Industry.

Model Solution Stable Rejection Average Permeated Flow (GPD) Active Membrane Area ft² (M²)
NF70-8040 NaCl 40~70 10000 398 (37)
MgSO₄ >98
NF70-4040 NaCl 40~70 2500 81 (7.5)
MgSO₄ >98
NF70-4021 NaCl 40~70 1000 36 (3.3)
MgSO₄ >98
NF90-8040 NaCl 85~95 8500 398 (37)
MgSO₄ >98
NF90-4040 NaCl 85~95 2000 81 (7.5)
MgSO₄ >98
NF90-4021 NaCl 85~95 800 36 (3.3)
MgSO₄ >98

Testing Conditions:

Testing Pressure 110psi (0.76MPa)
Temperature of Testing Solution 25°C
Concentration of Testing Solution (NaCl) 2000 PPM
Concentration of Testing Solution (MgSO₄) 2000 PPM
pH Value of Testing Solution 7.5
Recovery Rate 15%

Operation Limits and Conditions:

Max. Working Pressure 600psi (4.1MPa)
Max. Working Feedwater Flow 75gpm (8040)
16gpm (4040/4021)
Max. Feedwater Temperature 45°C
Max. Pressure Decline 15psi (0.1MPa)
Residual Chlorine <0.1ppm
pH Range of Feedwater 3.0 - 10.0

RESIDENTIAL NANO FILTRATION MEMBRANE SERIES

MEETEC residential nano filtration membrane has high water output and stable performance, which is specialized in removing dissolved organic carbon and softening water meanwhile. it selectively allows certain Imw and low-valent ions pass through. it can effectively remove nitrate, pesticide, herbicide, household chemicals, bacteria, viruses. meanwhile, it remains part of na+, k+ ca2+ in water, so that its output water has good test. on the other side, its output flow rate is high with low operating pressure. sometimes it doesn’t need a pump, which can effectively reduce the cost and compress size of a direct drinking system.

Specification and Main Performance of Membrane Elements

Model Average Rejection Minimum Rejection Average Permeated Flow (GPD) Active Membrane Area ft² (M²) Suitable for Tap water TDS
NF-20-2012-100 20-30 60 150 6.0 (0.56) 250 ppm
NF-40-2012-100 40-50 60 150 6.0 (0.56) 400 ppm
NF-60-2012-100 60-70 60 150 6.0 (0.56) 700 ppm
NF-80-2012-100 80-85 60 150 6.0 (0.56) 1300 ppm

Testing Conditions:

Testing Pressure 90psi (0.62MPa)
Temperature of Testing Solution 25°C
Concentration of Testing Solution 250ppm
pH Value of Testing Solution 7.5
Recovery Rate 15%

Operation Limits and Conditions:

Max. Working Pressure 300psi (2.07MPa)
Max. Working Feedwater Flow 2 gpm
Max. Feedwater Temperature 45°C
Max. Pressure SDI 5
Max. Pressure Drop 15psi (0.1MPa)
Residual Chlorine Decline <0.1ppm
pH Range of Feedwater 3.0 – 10.0

Industrial Ultra Filtration (UF) Spiral-Wound Element

(Widest Range Of UF MWCO’s available)
(FRP Wrapping & Sanitary model)

Product Description

Product code Membrane Material MWCO Application
UFPE10 UF PES 10,000 Da • Food and Dairy process applications to industrial water purification
• Enzyme concentration
• Gelatin concentration
• Protein Concentration
UFPE20 UF PES 20,000 Da • Skim milk protein concentrate & isolate production
• Beverage clarification
• Protein Separation
• Industrial water purification
UFPE30 UF PES 30,000 Da • Skim milk protein concentrate & isolate production
• Beverage clarification
• Protein Separation
UFPE50 UF PES 50,000 Da • Protein Separation
• Beverage Clarification
• Water and Process application
UFPE75 UF PES 75,000 Da • Water Purification
• Extract Purification
UFPE100 UF PES 1,00,000 Da • Corn Wet Milling
• Treatment of Fermentation Broth
• Sugar & Sweetener Clarification

Recommended Operating Parameters:

Max inlet Pressure 116 PSI
Min outlet Pressure 10 PSI
Max Differential Pressure per Elements 18 PSI
Max Permeate Backpressure 5 PSI

 

Max. Operating Temperature 50 °C
Operating pH Range 2.0 – 11.0
Max. Peroxide Concentration <3 ppm
Max. Chlorine Concentration <0.1 mg/L

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