C - Chemistry – Metallurgy – 10 – J
Patent
C - Chemistry, Metallurgy
10
J
C10J 3/46 (2006.01) B09B 3/00 (2006.01) C10B 53/00 (2006.01) C10B 53/02 (2006.01) C10J 3/48 (2006.01) C10J 3/66 (2006.01) F23G 7/02 (2006.01)
Patent
CA 2255218
The invention relates to a method for processing waste or biomass material into valuable products such as, for example, combustible gases, which is characterized in that (a) the waste or biomass material is subjected to a pyrolysis at a temperature of 350-650°C, advantageously 450-550°C; (b) the gas released in the course of the pyrolysis is subjected -without condensation - to a cracking treatment at a temperature of 1100-1600°C, advantageously 1200-1400°C, under the influence of oxygen-rich gas introduced from outside and possibly of steam; (c) the residue liberated in the course of the pyrolysis is gasified under a pressure of 0.5-1.5 bar, advantageously 0.8-1.2 bar, at a temperature of 1200-1700°C, advantageously 1400-1600°C, and is volatilized or, as the case may be, fused under reducing conditions; (d) the fused slag or metal concentrate obtained under stage (c) is discharged or, as the case may be, recovered; (e) the product gases obtained in the course of stages (b) and (c) are combined or not combined and then subjected to gas cleaning.
Hazewinkel Jacob Hendrik Obbo
Jungk Klaus
Lotens Jan Pieter
Van Der Giesen Abraham Barend
Van Der Veen Ruurd Andries
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Droan B.v.
Gibros Pec B.v.
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