NF Membrane Technology

Nanofiltration (NF) or nanofiltration membrane technology is a relatively recent ceramic membrane filtration system 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 membrane (NF) technology has no chemical reaction, no heating, no phase change, no damage to biological activity, no change in flavor and aroma, and is therefore more and more widely used in various separation and purification in water treatment, food, and pharmaceutical industries process.

The ceramic membrane is key to the performance of NF systems. They are produced in spiral wound, tubular, and hollow fiber formats, from a range of materials, including cellulose derivatives and synthetic polymer.

NF membranes have pore sizes from 1-10 nanometers, smaller than that used in microfiltration and ultrafiltration, but just larger than that in reverse osmosis.

Application range of NF Membrane Technology

Desalination & purification
Dehydrated, concentrated
Decolor
Solvent recovery

JIUWU Membrane Technology

MF Membrane Technology
November 15, 2018Microfiltration (commonly abbreviated to MF) is a type of physical filtration process where a contaminated fluid is passed through a special pore-sized membrane to separate microorganisms and suspended particles from process liquid.view
UF Membrane Technology
November 15, 2018Ultrafiltration (UF) is a variety of membrane filtration in which forces, such as pressure or concentration gradients, cause separation through the semi-permeable membrane. High molecular weight suspe...view
RO Membrane Technology
November 15, 2018Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.In reverse osmosis, an applied pressure i...view

JIUWU Membrane Products

Tubular Membranes
October 12, 2018The pore size of ceramic microfiltration membranes are 200nm, 500nm, 1200nm and so on.view
Organic Membrane Module
October 12, 2018Organic membrane modules may contain different membrane configurations, including spiral and hollow fiber membrane.view
Modular Equipments
August 29, 2025Modular Equipmentsview