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Ion Concentration Polarisation:

Ion Concentration Polarisation:

Massachusetts Institute of Technology (MIT) researchers have developed a portable desalination unit, weighing less than 10 kg, that can remove particles and salts to generate drinking water.

  • This device utilises electrical power to remove particles from drinking water.
  • The unit relies on a technique called ion concentration polarisation.
  • Rather than filtering water, the process applies an electrical field that causes positively or negatively charged particles — including salt molecules, bacteria, viruses — to be repelled as they flow past.
  • The charged particles are funnelled into a second stream of water that is eventually discharged.
  • The process removes solids, allowing clean water to pass through the channel.

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