Ionic transport phenomenon across sol–gel derived organic–inorganic composite mono-valent cation selective membranes

Organic–inorganic composite mono-valent cation selective membranes were prepared by sol–gel under acidic conditions, in which sulfonic acid groups were introduced at the inorganic segment

Mahendra Kumar

2009

Scholarcy highlights

  • Organic–inorganic composite mono-valent cation selective membranes were prepared by sol–gel under acidic conditions, in which sulfonic acid groups were introduced at the inorganic segment
  • Studies on physicochemical and electrochemical properties revealed their excellent mechanical, thermal, and oxidative stabilities, high conductivity, ion-exchange capacity, permselectivity for mono-valent cations, ionic diffusion and water transport number. These properties suggested the suitability of MCSMs, especially Si-65%, for electro-separation of Na+ from Ca2+, Mg2+, and Fe3+
  • Electro-transport efficiency and separation factor of different ions for mono-valent cation selective membranes and Nafion117 membranes were compared, which suggested suitability of MCSMs for separating cations

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