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Energy-softening Nanofiltration (NF) Series

 

 

 

  
Introduction
The new coating technology, which applied in all nanofiltration membrane elements, has the advantages of efficient selectivity and filterability in separation processes without any chemical reaction, heating, phase transition, destroying biological natures or lower pressure than RO process. It has been applied in healthy drinking water and separation & concentration and purification process in food, medicine and biology more and more widely.
 
Specification and Main Performance of Membrane Elements
Model
Active Membrane Area ft2(m2)
Solution
Average Permeated Flow GPD(m3/d)
Stable Rejection Rate( %)
JNF-8040
400(37.2)
NaCl
7500(28.4)
4060
MgSO4
6800(25.7)
96
JNF-8040-HF
400(37.2)
NaCl
9500(35.9)
4060
MgSO4
7500(28.4)
96
JNF-4040
90(8.4)
NaCl
1500(5.7)
4060
MgSO4
1350(5.1)
96
JNF-4040-HF
90(8.4)
NaCl
1800(6.8)
4060
MgSO4
1500(5.7)
96
 
Testing Pressure ……………………………………………70 psi (0.5Mpa)
 Temperature of Testing Solution……………………………25℃
Concentration of Testing Solution (NaCl)…………………2000ppm
Concentration of Testing Solution (MgSO4)………………2000ppm
pH Value of Testing Solution………………………………7.5
Recovery Rate of Single Membrane Element..……………15
 
Operation Limits and Conditions
Max. Working Pressure……………………………….. 600psi4.14Mpa
Max. Feedwater Flow………………………………….. 75gpm(17m3/h) (8040)
                                                                                           16gpm(3.6m3/h) (4040)
Max. Feedwater Temperature…………………………45
Max. Feedwater SDI15…………………………………. 5
Residual Chlorine Concentration of Feedwater……….0.1ppm
pH Range of Feedwater during Continuous Operation…310
PH Range of Feedwater during Chemical Cleaning…… 212
The Max. Pressure Drop of a Single Membrane Element .......15psi(0.1Mpa)
 

 

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