US Patent Number
A novel method for producing fly ash material with a range of particle sizes from about 2.0 to about 4.0 μm is provided utilizing superplasticizers. The method produces fly ash material suitable for use as filler material in the plastics industry and super pozzolan for the concrete industry.
University of Kentucky Research Foundation, Lexington, KY (US)
Robl, Thomas L. and Groppo, John G., "Technology and Methodology for the Production of High Quality Polymer Filler and Super-Pozzolan from Fly Ash" (2003). Center for Applied Energy Research Faculty Patents. 23.