Waste treatment process and apparatus
First Claim
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1. A process for the treatment of waste, the process comprising:
- (i) a gasification step comprising treating the waste in a gasification unit in the presence of oxygen and steam to produce an offgas and a non-airborne, solid char material; and
(ii) a plasma treatment step comprising subjecting all said offgas and the non-airborne, solid char material to a plasma treatment in a plasma treatment unit in the presence of oxygen and, optionally, steam, wherein the plasma treatment unit is separate from the gasification unit.
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Abstract
A process for the treatment of waste, the process comprising: (i) either (a) a gasification step comprising treating the waste in a gasification unit in the presence of oxygen and steam to produce an offgas and a char, or (b) a pyrolysis step comprising treating the waste in a pyrolysis unit to produce an offgas and a char; and (ii) a plasma treatment step comprising subjecting the offgas and the char to a plasma treatment in a plasma treatment unit in the presence of oxygen and, optionally, steam.
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46 Claims
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1. A process for the treatment of waste, the process comprising:
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(i) a gasification step comprising treating the waste in a gasification unit in the presence of oxygen and steam to produce an offgas and a non-airborne, solid char material; and (ii) a plasma treatment step comprising subjecting all said offgas and the non-airborne, solid char material to a plasma treatment in a plasma treatment unit in the presence of oxygen and, optionally, steam, wherein the plasma treatment unit is separate from the gasification unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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Specification