8-inch Energy-saving Softening Series Nanofiltration Membrane Elements
JOZZON's 8-inch water softening nanofiltration membrane elements are designed for low-pressure selective filtration, moderate desalination, and high water production. The JNF-8040 and JNF-8040-HF series combine large membrane areas with high permeate flow and are specifically developed for applications requiring selective removal of total organic carbon while allowing moderate levels of salinity to pass through.
Water Softening Nanofiltration Membrane for Selective Filtration
JOZZON’s 8-inch Water Softening Nanofiltration Membrane elements (JNF-8040 Series) are engineered with state-of-the-art surface coating technology to deliver high permeate flow at ultra-low operating pressure. Featuring a large effective membrane area of 400 ft² (37.2 m²), this industrial 8-inch nanofiltration membrane provides exceptional removal of Total Organic Carbon (TOC), herbicides, and divalent hardness ions (Ca2+, Mg2+) while allowing moderate monovalent salinity to pass through.Designed for industrial water treatment and process fluid purification, the JOZZON water softening NF membrane significantly reduces operating pressure compared to standard reverse osmosis (RO) systems. It delivers an eco-friendly, energy-efficient solution for potable water production, wastewater softening, and non-thermal liquid concentration.
Features & Benefits
1. Highly Efficient Selective Filtration & Hardness Removal
Utilizing specialized membrane surface chemistry, the water softening Nanofiltration Membrane precisely captures divalent hardness ions (Ca2+, Mg2+), heavy metals, micro-pollutants, and organic precursors while retaining essential monovalent minerals (Na+, K+), optimizing mineral equilibrium for drinking water and boiler feed pretreatment.
2. Low Operating Pressure & Lower Energy Costs
Operating at substantially lower hydraulic pressures than traditional RO elements, JOZZON water softening NF membranes dramatically reduce high-pressure pump energy consumption, lowering overall plant operational expenditure (OPEX) while maintaining high volume yield.
3. Gentle, Non-Thermal Separation Process
The nanofiltration separation process involves no chemical additives, thermal energy, or phase transitions. It safeguards heat-sensitive compounds and biological activity, making it ideal for continuous concentration, separation, and purification in food, beverage, and biopharmaceutical production lines.
4. Eco-Friendly & Green Operation
Eliminating the need for continuous chemical addition during normal filtration, this green separation process produces no secondary sludge, meeting strict environmental compliance and zero liquid discharge (ZLD) sustainability goals.
Available Models
|
Membrane Element Model |
Effective Membrane Area ft2 (m2) |
Types of Solutions |
Water Production Flow Rate GPD(m³/d) |
Stable Desalination Rate (%) |
|---|---|---|---|---|
|
JNF-8040 |
400 (37.2) |
NaCl |
7500(28.4) |
40-60 |
|
MgSO4 |
6800(25.7) |
>96 |
||
|
JNF-8040-HF |
400 (37.2) |
NaCl |
9500 (35.9) |
30-50 |
|
MgSO4 |
7500(28.4) |
>95 |
Selection Guidance:
JNF-8040 is suitable where higher NaCl and MgSO₄ rejection performance is required within the specified test conditions.
JNF-8040-HF provides higher water production and can be considered for systems where permeate flow is a key design requirement.
Extreme Usage Conditions
| Maximum Operating Pressure | 600psi (4.14 MPa) |
| Maximum Influent Flow Rate | 75gpm (17 m³/h) |
| Maximum Inlet Water Temperature | 45℃ |
| Maximum Influent SDI15 | 5 |
| Influent Free Chlorine Concentration | < 0.1 ppm |
| Influent ph Range During Continuous Operation | 2～12 |
|
ph Range of Influent During Chemical Cleaning (Short-term 30-minute Period) |
1～13 |
| Maximum Pressure Drop of a Single Membrane Element | 15psi (0.1Mpa) |
Test Conditions
| Test Pressure | 70psi (0.5Mpa) |
| Test Solution Temperature | 25℃ |
| Test Solution Concentration (NaCl) | 2000ppm |
| Test Solution ph Value | 7.5 |
| Single Membrane Element Recovery Rate | 15% |
Membrane Element Size
All units shown in the diagram are millimeters (inches).
