US 9 254 490 B2

Process for treating fly ash and a rotary mill therefor

(22) 09.10.2012

(45) 09.02.2016

(57) A process for treating fly ash to activate the fly ash so that it may be used as a substitute for Portland cement, with the process including the use of a specialized rotary mill having variably sized and shaped media to increase the surface area of one fly ash component by grinding, avoiding milling a second fly ash component, while roughing up the surface of the second component to increase its surface area.

(71) VHSC, LTD., Tortola (VG)

(73) VHSC, LTD., Tortola (VG)

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