Solid combustible composition
AssigneePirelli Ambient S.p.A.
InventorsGian Carlo Delpiano, Gianpaolo Giuliani, Luca Zucchelli
Life of this patent
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Abstract
A solid combustible composition having an apparent density lower than 0.6 g/cm3 and comprising a first portion consisting of an urban solid waste, a second portion consisting of elastomeric material and a third portion consisting of non-elastomeric polymeric material.
Claims47
A solid non-agglomerated combustible composition comprising a mixture of:
- (a) a triturated, dried, and ground urban solid wastes having removed therefrom perishable organic portions, iron materials and aluminium, and having a moisture content equal to or less than 10%;
- (b) a triturated, dried, and ground non-elastomeric polymeric material having a moisture content equal to or less than 10%:
- (c) a ground elastomeric material having iron material removed therefrom:
- said mixture having an apparent density lower than 0.6 g/cm3.
A process of instantaneous combustion comprising continuously feeding to an instantaneous burning apparatus, a solid non-agglomerated combustible composition and subjecting said composition to combustion in said apparatus, said composition comprising a first portion of an urban solid waste, a second portion of a non-elastomeric material and a third portion of an elastomeric material, said composition having an apparent density lower than 0.6 g/cm3.
A solid combustible composition comprising a product produced by the following steps:
- (a) removing perishable organic portions, iron materials and aluminum from urban solid wastes by:
- (i) screening the perishable organic portion,
- (ii) removing the iron materials by means of a magnetic separator,
- (iii) removing the aluminum by means of an eddy-current magnet,
- (b) triturating the urban solid wastes portion obtained after steps (a) (i)-(iii),
- (c) triturating a waste material consisting essentially of a non-elastomeric polymeric material,
- (d) drying the triturated urban solid wastes and triturated non-elastomeric material of steps (b) and (c) respectively to a moisture content equal to or lower than 10%,
- (e) grinding the portions obtained from step (d) into bits,
- (f) grinding an elastomeric material into bits wherein the elastomeric material has any iron material associated therewith removed prior to said grinding,
- (g) mixing together the bits of urban solid waste and non-elastomeric polymeric material of step (e) and the bits of elastomeric material of step (f) in a weight ratio so that the mixture obtained has an apparent density lower than 0.6 g/cm3.
Dependencies are inferred from the claim text.