Total incineration process

Claim 2

Waste water treatment apparatus comprising, in combination, a wet scrubber, a fluid bed incinerator, means conducting hot gases from said fluid bed incinerator to said scrubber and means conducting water to said scrubber, said wet scrubber concentrating waste water and removing solid particles from the hot gases leaving the fluid bed incinerator, means conducting concentrated waste water from said wet scrubber to said fluid bed incinerator to vaporize water and gasify organics therein to form a fluidized bed of inorganics, said fluid bed incinerator discharging granules of inorganics from a fluidized bed, a high temperature secondary firing chamber, means conducting effluent gases from said wet scrubber to said secondary firing chamber to oxidize organics therein, and a steam generator including means conducting effluent gases from said secondary firing chamber to said generator, said steam generator recovering waste heat from said effluent gases.

Claim 3

The combination according to claim 1 wherein the temperature in said fluid bed incinerator is under 1,300* F. and the temperature in said secondary firing chamber is over 1,600* F.

Claim 4

The process of treating a dilute waste water solution containing organic and inorganic pollutants comprising the steps of: a. passing the dilute waste water to a wet scrubber; b. passing effluent gases from a fluid bed incinerator into the wet scrubber counter current to the dilute waste water to have solids removed from the effluent gases while the gases evaporate water by direct contact heat exchange to concentrate the waste solution; c. passing the concentrated waste solution to the fluid bed incinerator to be fluidized as a bed therein by combusted gases which evaporate water from the concentrated wastes and render inorganics gaseous to provide the effluent gases passed to the wet scrubber in step (b); d. removing inorganic material from the fluidized bed of the fluid bed incinerator; e. passing effluent gases from the wet scrubber to a second higher temperature firing chamber to be mixed with the combusted gases to oxidize and break down the organics; and f. passing effluent gases from the second firing chamber through a steam generator to recover heat therefrom.

Claim 5

The process of treating a dilute waste water solution containing organic and inorganic pollutants comprising the steps of: a. passing the dilute waste water to a wet scrubber; b. passing effluent gases from a fluid bed incinerator into the wet scrubber counter current to the dilute waste water to have solids removed from the effluent gases while the gases evaporate water by direct contact heat exchange to concentrate the waste solution; c. passing the concentrated waste solution to the fluid bed incinerator to be fluidized as a bed therein by combusted gases which evaporate water from the concentrated wastes and render inorganics gaseous to provide the effluent gases passed to the wet scrubber in step (b); d. removing inorganic material from the fluidized bed of the fluid bed incinerator; e. passing effluent gases from the wet scrubber to a second higher temperature firing chamber to be mixed with the combusted gases to oxidize and break down the organics; and f. passing effluent gases from the second firing chamber through a steam generator to recover heat therefrom.

Claim 6

The process according to claim 3 wherein in step (c) combusteD gases are provided by a first combustion chamber and wherein in step (e) the combusted gases are provided in a second higher temperature combustion chamber.

Claim 7

The process according to claim 4 wherein some of the combusted gases from the second higher temperature combustion chamber are passed into said wet scrubber.

Claim 8

The process according to claim 3 wherein the temperature in the fluid bed incinerator is under 1,300* F. and the temperature in said second firing chamber is over 1,600* F.