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)

This article appeared in

ZKG 4/2016

This article appeared in

ZKG 4/2016

Ressort:  Patents
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