Pelletized fuel composition and method of manufacture

Details Pelletized fuel composition and method of manufacture Pelletized fuel composition and method of manufacture

C - Chemistry, Metallurgy

10

L

C10L 5/06 (2006.01) C10L 5/04 (2006.01) C10L 5/08 (2006.01) C10L 5/14 (2006.01)

Patent

CA 2275030

A pelletized fuel composition comprising coal fines in an amount of from 60 % to 80 % by weight, paper making sludge in an amount of from 10 % to 30 % by weight, and a shredded polymeric material in an amount of from 0.5 % to 15 % by weight. A method of manufacturing the fuel composition involving pelletizing at pressure of from about 1,000 psig to about 4,000 psig is also disclosed. An apparatus for processing the composition is shown in the Figure and includes a continuous mixer (25) and pellet mill extruders (40).

Composition combustible en boulettes comportant des particules de charbon à raison de 60 à 80 % en poids, des boues résultant de la fabrication de papier à raison de 10 à 30 % en poids et une matière polymère broyée à raison de 0,5 % à 15 % en poids. L'invention concerne également un procédé de fabrication de la composition combustible, consistant à réaliser le bouletage de ce mélange à une pression située entre environ 1000 psi et environ 4000 psi. La figure représente un dispositif de traitement de la composition qui comporte un malaxeur continu (25) et des extrudeuses de broyeurs de boulettes (40).

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