Method to transform bulk material

Details Method to transform bulk material Method to transform bulk material

B - Operations, Transporting

02

C

B02C 19/00 (2006.01)

Patent

CA 2606023

The invention provides low-cost, non-thermal methods to transform and beneficiate bulk materials, including low rank coals such as peat, lignite, brown coal, subbituminous coal, other carbonaceous solids or derived feedstock. High pressure compaction and comminution processes are linked to transform the solid materials by eliminating interstitial, capillary, pores, or other voids that are present in the materials and that may contain liquid, air or gases that are detrimental to the quality and performance of the bulk materials, thereby benefÊciating the bulk products to provide premium feedstock for industrial or commercial uses, such as electric power generation, gasification, liquefaction, and carbon activation. The handling characteristics, dust mitigation aspects and combustion emissions of the products may also be improved.

L'invention concerne des procédés peu coûteux, non thermiques permettant de transformer et valoriser des matériaux bruts, notamment des charbons de faible rang tels que tourbe, lignite, houille brune, charbon subbitumineux, autres solides charbonneux ou matière de base dérivée. Des procédés de comminution et compactage haute pression sont associés pour transformer les matériaux solides par élimination des interstices, capillaires, pores ou autres vides présents dans les matériaux et pouvant contenir du liquide, de l'air ou des gaz préjudiciables à qualité et à la performance des matériaux bruts, ces matériaux bruts pouvant ainsi être valorisés pour constituer une matière de première qualité pour des utilisations industrielles ou commerciales telles que génération de puissance électrique, gazéification, liquéfaction et activation de carbone. Les caractéristiques de manipulation, les aspects de réduction de la poussière et d'émissions dues à la combustion de ces produits peuvent également être améliorés.

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