Importance

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Abstract

A system and process for disposal of dry fly ash that effectively confines and damps fugitive dust during the collection, sorting, transporting, storage and treatment of fly ash at a landfill. The system and process for disposal of dry fly ash utilizing an enlarged, oversized hopper positioned at the top of a hill and an elongate channel that runs between the enlarged hopper and the landfill. A bulk transport truck hauling a belly dump trailer dumps dry fly ash through an elevated platform having a centrally aligned orifice into the oversized hopper having a slurry rack and a large hopper grate. The dry fly ash is mixed with water in the enlarged hopper at a ratio of approximately 1:1, after which it flows downstream into the elongate channel and ultimately to the landfill. When the transport truck is positioned above the enlarged hopper, the doors of the belly dump trailer open and contact a substantially upright skirt surrounding the periphery of the orifice. The ramps and raised platform of the enlarged hopper allow the belly dump trailer compartments to be closer to the orifice and the hopper grate in order to minimize fugitive ash during the disposal process. A fan located within the elongate channel creates a partial vacuum forcing the dry fly ash from the belly dump trailer into the enlarged hopper, which is mixed with water from the slurry rack and allowed to flow downstream where it is further mixed within the elongate channel.

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First Claim