B - Operations – Transporting – 09 – B
Patent
B - Operations, Transporting
09
B
261/60
B09B 3/00 (2006.01)
Patent
CA 1254588
METHOD AND COMPOSITION FOR WASTE DISPOSAL ABSTRACT The absorbing and solidifying or chemical fixation agents of the present invention comprise a substantially homogeneous mixture containing a major amount of an absorptive, granular clay with minor amounts of cement and a soluble alkali metasilicate. Typically the mixture contains from about 60 to about 95% by weight of an absorptive granular clay, such as fuller's earth; from about 5 to about 15% by weight of cement, such as Portland cement; and, from about 0.1 to about 5.0% by weight of an alkali metal metasilicate, such as sodium metasilicate. In a preferred, range the mixtures comprise from about 80 to about 90% by weight clay, from about 8 to about 12% by weight cement and from about 0.5 to about 1.5% by weight silicate. The mixtures may include up to about 30% by weight of fly ash, cement dust or mixtures thereof. The agents are mixed with a liquid or semi-liquid waste material in an amount of between about 3 and about 8 pounds per gallon of waste material. The resultant mixture is allowed to harden to form a substantially water insoluble solid having a consistency ranging from that of dirt to that of a plaster or cement-like solid.
509045
Campagna Samuel J.
Flannery Harold F.
Wagner Louis E.
Environmental Design Inc.
Gowling Lafleur Henderson Llp
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