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Compositions and methods for producing a manufactured product, a method for making a liquid absorbent, and processes for disposal of flammable liquids with a flue gas desulfurization by-product. The compositions for the manufactured products combine a binder and the by-product. The composition conta

Compositions and methods for producing a manufactured product, a method for making a liquid absorbent, and processes for disposal of flammable liquids with a flue gas desulfurization by-product. The compositions for the manufactured products combine a binder and the by-product. The composition contains a greater percentage by weight of the by-product than the binder. The methods for producing manufactured products include dewatering the gypsum-depleted waste stream to reduce a water content, and forming the manufactured product. The method for making a liquid absorbent includes dewatering, granulating, drying, heating, and packaging a granulated gypsum-depleted composition as the liquid absorbent. The processes for disposal of flammable liquids include distributing a by-product into contact with flammable liquid, absorbing the liquid, transporting, and igniting the flammable liquid. The artificial soils are a combination of by-product and animal waste.

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1. A method of making a manufactured product using a waste stream from a flue gas desulfurization process that has been depleted of gypsum so that the waste stream is enriched in a by-product, the method comprising: dewatering the gypsum-depleted waste stream to reduce a water content thereof and in

1. A method of making a manufactured product using a waste stream from a flue gas desulfurization process that has been depleted of gypsum so that the waste stream is enriched in a by-product, the method comprising: dewatering the gypsum-depleted waste stream to reduce a water content thereof and including removing particles of the by-product from the waste stream to form a sludge;forming the manufactured product by mixing the sludge with human waste, the manufactured product being in the form of an artificial soil; andspreading the artificial soil on a surface for exposure to the sun. 2. The method of claim 1, wherein removing includes removing particles having a diameter of 50 microns and less from the waste stream. 3. The method of claim 1, wherein removing includes forming the sludge with less than 75 wt. % gypsum and less than about 50 wt. % water. 4. The method of claim 1, wherein removing includes removing particles having a d90 of less than 40 microns from the waste stream. 5. The method of claim 1, wherein removing includes removing particles having a d50 of between about 3 microns and about 7 microns from the waste stream. 6. The method of claim 1, wherein removing includes forming a sludge that is less than 50 wt % gypsum. 7. The method of claim 1, wherein mixing further includes mixing a lime-containing compound with the artificial soil. 8. The method of claim 1, wherein mixing includes mixing about equal volume portions of human waste to sludge. 9. The method of claim 1, wherein, prior to spreading the artificial soil, the method includes heating the artificial soil. 10. The method of claim 1, further including: spreading seeds over the surface of the artificial soil.