NOVELTY - Biomass torrefaction, involves: adding biomass to a reactor; adding enriched gas to the reactor; controlling the oxygen content of the enriched gas; initiating heating of the biomass; heating the biomass; maintaining the biomass within the reactor for a predetermined time; removing water from the biomass; vaporizing volatile organic compounds associated with the biomass; torrefying the biomass; combusting the volatile organic compounds to help maintain the temperature of the fluidized bed reactor; and forming the torrefied biomass into pellets at 90-200 degrees C.    USE - For biomass torrefaction for forming coated biomass pellet (claimed), and fossil fuel burning power plants.    ADVANTAGE - The method enables to produce biomass pellet which has high strength. Torrefying biomass is an efficient way to achieve the goal of producing a biomass material that can be handled and burned like coal. Thus reduces the moisture content, increases the heating value (HHV), and improves grindability and handling characteristics of the biomass. Hydrophobicity, shelf life, energy density, and homogeneity are all also improved. In addition, mass recovery of 55-65% of the feed as salable product is achieved. Further, energy recovery of 80-85% of the feed energy content of product is provided where nearly all sulfur is removed. In the process, 70% of the chlorine in the feed is also removed. The processed biomass can be used in existing fossil fuel burning power plants alone or in combination with fossil fuels. That is, little or no modifications are needed to existing power producing systems or processes, and generating capacity was not decreased.    DETAILED DESCRIPTION - Biomass torrefaction, involves: adding biomass to a reactor; adding enriched gas to the reactor; controlling the oxygen content of the enriched gas; initiating heating of the biomass by increasing the temperature of the reactor; heating the biomass; maintaining the biomass within the reactor for a predetermined time; removing water from the biomass; vaporizing volatile organic compounds associated with the biomass; torrefying the biomass; combusting the volatile organic compounds to help maintain the temperature of the fluidized bed reactor; and forming the torrefied biomass into pellets at 90-200 degrees C.