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An apparatus includes a reactor vessel containing a carbonaceous bed and having means for establishing an elevated temperature within the carbonaceous bed; and the reactor vessel also having one or more feed material inlets above the carbonaceous bed for depositing process material from outside the

An apparatus includes a reactor vessel containing a carbonaceous bed and having means for establishing an elevated temperature within the carbonaceous bed; and the reactor vessel also having one or more feed material inlets above the carbonaceous bed for depositing process material from outside the vessel onto the carbonaceous bed, one or more gas exhaust ports above the bed for exit of gaseous products from the vessel, and one or more slag ports at the bottom of the carbonaceous bed for exit of molten and vitreous material from the vessel; wherein the carbonaceous bed comprises bricks that contain carbon and are of varied size and shape of which at least 25% of the total carbon content of the bed comprises spent pot liner material from aluminum processing, and wherein the bricks further comprise at least one of: Portland cement, potassium silicate cement, or aluminum silicate cement.

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1. An apparatus comprising: a plasma gasification reactor vessel containing a carbonaceous bed and having at least one plasma torch for establishing an elevated temperature within the carbonaceous bed; andthe plasma gasification reactor vessel also having one or more feed material inlets above the c

1. An apparatus comprising: a plasma gasification reactor vessel containing a carbonaceous bed and having at least one plasma torch for establishing an elevated temperature within the carbonaceous bed; andthe plasma gasification reactor vessel also having one or more feed material inlets above the carbonaceous bed for depositing process material from outside the vessel onto the carbonaceous bed, one or more gas exhaust ports above the bed for exit of gaseous products from the vessel, and one or more slag ports at the bottom of the carbonaceous bed for exit of molten and vitreous material from the vessel;wherein the carbonaceous bed comprises bricks that contain carbon and are of varied size and shape of which at least 25% of the total carbon content of the bed comprises spent pot liner material from aluminum processing, and wherein the bricks further comprise at least one of: Portland cement, potassium silicate cement, or aluminum silicate cement. 2. The apparatus of claim 1, wherein the bricks further comprise soot water residue from a gasification reactor. 3. The apparatus of claim 1, wherein the carbonaceous bed includes at least about 50% of the carbon content being non-coke units and up to about 50% of the carbon content being coke. 4. The apparatus of claim 1, wherein the bricks further comprise one or more of: bentonite clay, sand, sodium silicate, and aluminum hydroxide. 5. The apparatus of claim 1, wherein the bricks comprise: between 40% and 60% of the spent pot liner material by weight. 6. The process of claim 1, wherein the bricks have a material composition including, in approximate weight % other than water: carbon containing particles, 40 to 95 parts,silica, 0 to 30 parts,calcium carbonate, 0 to 25 parts,fly ash 0 to 40 parts,Portland cement, 0 to 20 parts,potassium silicate cement, 0 to 20 parts,aluminum silicate cement, 0 to 20 parts,kaolin clay, 0 to 20 parts,sodium bentonite, 0 to 20 parts,calcium bentonite, 0 to 20 parts,potassium bentonite, 0 to 20 parts,sodium silicate, 0 to 20 partsaluminum hydroxide, 0 to 10 parts,nickel, 0 to 5 parts, andiron, 0 to 5 parts. 7. The apparatus of claim 1, further comprising: additional inlets through the side wall of the reactor vessel for injection of carbon fines into the carbonaceous bed. 8. An apparatus comprising: a plasma gasification reactor vessel containing a carbonaceous bed and having at least one plasma torch for establishing an elevated temperature within the carbonaceous bed; andthe reactor vessel also having one or more feed material inlets above the carbonaceous bed for depositing process material from outside the vessel onto the carbonaceous bed, one or more gas exhaust ports above the bed for exit of gaseous products from the vessel, and one or more slag ports at the bottom of the carbonaceous bed for exit of molten and vitreous material from the vessel;wherein the carbonaceous bed comprises bricks that contain carbon and are of varied size and shape of which at least 25% of the total carbon content of the bed comprises soot water residue from a gasification reactor, and wherein the bricks further comprise at least one of: Portland cement, potassium silicate cement, or aluminum silicate cement. 9. The apparatus of claim 8, wherein the carbonaceous bed includes at least about 50% of the carbon content being non-coke units and up to about 50% of the carbon content being coke. 10. The apparatus of claim 8, wherein the bricks further comprise one or more of: bentonite clay, sand, sodium silicate, and aluminum hydroxide. 11. The apparatus of claim 8, wherein the bricks comprise: between 40% and 60% of the soot water residue by weight. 12. The process of claim 8, wherein the bricks have a material composition including, in approximate weight % other than water: carbon containing particles, 40 to 95 parts,silica, 0 to 30 parts,calcium carbonate, 0 to 25 parts,fly ash 0 to 40 parts,Portland cement, 0 to 20 parts,potassium silicate cement, 0 to 20 parts,aluminum silicate cement, 0 to 20 parts,kaolin clay, 0 to 20 parts,sodium bentonite, 0 to 20 parts,calcium bentonite, 0 to 20 parts,potassium bentonite, 0 to 20 parts,sodium silicate, 0 to 20 partsaluminum hydroxide, 0 to 10 parts,nickel, 0 to 5 parts, andiron, 0 to 5 parts. 13. The apparatus of claim 8, further comprising: additional inlets through the side wall of the reactor vessel for injection of carbon fines into the carbonaceous bed.