US 7,585,270 B2
Treatment of hazardous waste material
Jon Doumbos, North Sydney (Australia); David Garman, North Sydney (Australia); and Geoff W Richardson, North Sydney (Australia)
Assigned to Dolomatrix International Limited, North Sydney, NSW (Australia)
Filed on Dec. 05, 2007, as Appl. No. 11/950,922.
Application 11/950922 is a continuation of application No. 11/800552, filed on May 07, 2007.
Application 11/800552 is a continuation in part of application No. 10/512669, abandoned, previously published as PCT/AU03/00503, filed on Apr. 29, 2003.
Claims priority of application No. PS2007 (AU), filed on Apr. 29, 2002.
Prior Publication US 2008/0146860 A1, Jun. 19, 2008
Int. Cl. B09B 3/00 (2006.01)
U.S. Cl. 588—256 8 Claims
 
1. A method of incorporating a material in a settable binder, the method comprising the steps of:
(a) mixing the material with the binder, as a slurry or for subsequent formation into a slurry, the binder including a source of caustic magnesium oxide;
(b) adding an organic acid additive to the material, the binder or a mixture thereof;
(c) after steps (a) and (b), adding a setting agent to the slurry that enhances setting of
the binder.