Abstract: A composition of biomass material is disclosed. The composition includes: (i) a lignocellulosic material; and (ii) at least one member selected from a group comprising of potassium, sodium and chlorides, wherein said at least one member comprising not more than about 0.01% (by weight) of said composition. The composition may not include more than 10% of water.

Abstract: A composition of biomass material is disclosed. The composition includes: (i) a lignocellulosic material; and (ii) at least one member selected from a group consisting of potassium, sodium and chlorides, wherein said at least one member comprising not more than about 0.01% (by weight) of said composition. The composition may not include more than 10% of water.

Abstract: A method for making a combustible material is described. The method includes: (i) receiving one or more types of biomass, each of which includes an inorganic material; (ii) rupturing lignocellulose in one or more types of the biomass to produce ruptured biomass including the inorganic material; (iii) washing the ruptured biomass with solvent to drive the inorganic material from the ruptured biomass into the solvent to produce an inorganic-material-enriched solvent and an inorganic-material-depleted ruptured biomass; (iv) pyrolyzing the inorganic-material-depleted ruptured biomass to produce a combustible biomaterial.

Abstract: A method for washing biomass is described. The method includes: (i) receiving a first discrete amount of biomass; (ii) receiving a second discrete amount of biomass; (iii) washing the first discrete amount of biomass with solvent to produce a first effluent stream enriched with inorganic material; and (iv) washing the second discrete amount of biomass with the first effluent stream to produce a second effluent solvent stream.