Patent ID: 7785379
Filing Date: 2010-08-31
Classification: C10L,Y02E

Abstract:
1. A method of preparing fuel pellets comprising the steps of: providing a feedstock in the form of agricultural whole grain and seed hull fibres having a moisture content of about 10 to about 16%; mixing an additive mixture with the feedstock; and compressing and extruding the agricultural fibre feedstock through a die to obtain fuel pellets in the form of small cylinders having a diameter of about ⅜ inch to ¾ inch or more, said pellets having an ash content of about 1.1% to about 20% by weight and a calorific value of about 7,000 BTUs per pound of fuel on a dry basis; and wherein the additive mixture is comprised of ammonium nitrate, calcium, manganese, magnesium, aluminum, barium, iron, potassium and amorphous silicate; and the additive mixture sequesters potassium and chlorides and raise the fusion point of the inorganic elements in the feedstock during combustion of the pellets.