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CONTAMINANT REMOVAL FROM WATER USING POLYELECTROLYTE COATED FLY ASH

  • US 20190330081A1
  • Filed: 06/28/2018
  • Published: 10/31/2019
  • Est. Priority Date: 04/26/2018
  • Status: Active Grant
First Claim
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1. A polyelectrolyte coated fly ash, comprising:

  • an acid-treated fly ash particle;

    a first layer of a positive polyelectrolyte, the first layer in contact with the acid-treated fly ash particle; and

    a second layer of a negative polyelectrolyte, the second layer in contact with the first layer,wherein the polyelectrolyte coated fly ash is in the form of porous particles having an average particle diameter of 15-100 μ

    m and an average pore diameter of 0.5-10 μ

    m.

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