Main features and applications:
Nanofiltration membrane: Nanofiltration membrane is between ultrafiltration membrane and reverse osmosis membrane, and its pore size allows certain small molecules to pass through while intercepting larger molecules and ions.
Selective interception: The NF270-400/34i membrane element can effectively trap divalent ions (such as calcium and magnesium ions) and some organic compounds, while allowing monovalent ions (such as sodium and potassium ions) to pass through.
Softened water: One of its main applications is softened water, which removes calcium and magnesium ions from water and reduces its hardness.
Removing organic matter: It can remove some organic matter in water, such as natural organic matter (NOM), disinfection by-products precursors, etc.
Industrial wastewater treatment: used for the treatment of certain industrial wastewater, such as dye wastewater, pharmaceutical wastewater, etc., which can recover useful substances or reduce pollutant concentrations.
Drinking water treatment: In drinking water treatment, it can be used to remove hardness, organic matter, and some heavy metals.
Low pressure operation: Nanofiltration membranes can usually operate at lower pressures, which can reduce energy consumption compared to reverse osmosis membranes.
High throughput: NF270-400/34i has a high water production flux.
Specific parameters:
Membrane material: usually polyamide composite membrane.
Effective membrane area: approximately 400 square feet (37 square meters).
Operating pressure: typically within the range of 50-150 psi (3.4-10.3 bar).
PH range: usually within the range of 3-10 (refer to the official data manual for details).
Temperature range: usually within the range of 5-45 ° C (refer to the official data manual for details).
Molecular weight cut-off (MWCO): Approximately between 200-400 daltons.
Desalination rate: The desalination rate is higher for divalent ions and lower for monovalent ions. For example, the desalination rate for magnesium sulfate (MgSO4) may be over 90%, while the desalination rate for sodium chloride (NaCl) may be around 20-50%.
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XLE-440i |
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FAQ:
Q1.What is your packing clause?
Answer:generally, we put our goods in neutral white boxes and brown cartons. Or customize any kind of packing according to your request. If you have registered a patent legally,We can put the goods in your brand packing box after receiving your authorization.
Q2.What is your payment condition?
Answer: T / T 30% as a margin, 70% before delivery.Before the balance is paid, we will show you the photos of the products and packaging.
Q3.What is your delivery condition?
Answer: EXW, FOB, CFR, CIF, DDU.
Q4.What's your delivery time?
A:Generally speaking,it takes 30 to 60 days after receiving the advance payment.The exact time of delivery depends on the items and quantities of your order.
Q5. Can you make it according to the sample?
Answer:Yes,we can produce it through your sample or technical drawings.We can build molds and fixtures.
Q6.What is your sample policy?
Answer:if we have spare parts in stock, we can provide the sample, but the customer must pay the sample cost and the cost of the sample.Express delivery cost.
Q7.Did you test all the goods before delivery?
Answer: Yes, we have 100% tests before delivery.
Q8: how do you make our business a long and good relationship?
Answer: 1. We maintain good quality and competitive price to ensure our customers benefit.
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