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RO Membrane Technology

Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.

Reverse osmosis membrane (RO) technology is one of the most powerful tools to solve the world water crisis. We have rich experiences in RO technology applied in water &waster treatment .Desalination using RO technology can be achieved by removing salt from seawater. The combination of UF and RO technology in sea water desalination can be customized according to different capacity.

In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property, that is driven by chemical potential differences of the solvent, a thermodynamic parameter.

The reverse osmosis membrane technology can remove many types of dissolved and suspended species from water, including bacteria, and is used in both industrial processes and the production of potable water. The result is that the solute is retained on the pressurized side of the membrane and the pure solvent is allowed to pass to the other side. To be "selective", this membrane should not allow large molecules or ions through the pores (holes) but should allow smaller components of the solution (such as solvent molecules) to pass freely.

Reverse osmosis

Advantages of reverse osmosis membrane technology

1. Removes nonionic impurities and dissoved solids (i.e.organics,silica,bacteria)
2. Reduction of hazardous chemical storage and handling associated with ion exchange
3. Reduces loading on ion exchange systems:
  • Extends run period
  • Extends resin life
  • Reductes operating costs

Application range of reverse osmosis membrane technology

  • Desalination
  • Dehydration
  • Concentration
  • Remove COD/BOD
JIUWU has more than 20-year experiences in ceramic membrane technology. We work to provide high-quality ceramic membrane and technology service to our customers!

JIUWU Membrane Technology

  • MF 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

    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
  • NF Membrane Technology

    NF Membrane Technology

    November 15, 2018Nanofiltration (NF) is a relatively recent membrane filtration process used most often with low total dissolved solids water such as surface water and fresh groundwater, with the purpose of softening ...view

JIUWU Membrane Products

  • Multi-Media Filter

    Multi-Media Filter

    October 12, 2018It is mainly used for turbidity removal, demineralized water, pure water pre-treatment. Common filter media is quartz sand, anthracite, manganese sand.view
  • Titanium Membrane Module

    Titanium Membrane Module

    October 12, 2018The main application of titanium module is brine filtration.view
  • Flat Sheet Ceramic Membrane

    Flat Sheet Ceramic Membrane

    July 10, 2019JIUWU is a professional flat sheet membrane manufacturer. The ceramic flat membrane is a new type of high temperature plate porous ceramic membrane, which is prepared by high temperature sintering process using inorganic materials such as alumina.view
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