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SILICEOUS PARTICLES

  • US 20100330658A1
  • Filed: 06/29/2009
  • Published: 12/30/2010
  • Est. Priority Date: 06/29/2009
  • Status: Active Grant
First Claim
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1. A method for extracting siliceous particles, the method comprising:

  • providing a suspension comprising an aqueous liquid and diatoms having siliceous frustules;

    adding a nonpolar solvent to the suspension to create a mixture;

    agitating the mixture;

    segregating the mixture into at least a first product and a second product, the first product having a higher amount of frustules than the second product; and

    removing any of the first and second products.

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