NOVELTY - An apparatus (1) for recovering energy from biomass, in particular from vegetal biomass, by gasification, comprises: a biomass drying unit (2); a pyrolysis unit (3) comprising at least one pyrolysis reactor in series; a partial oxidation unit (4); a reduction unit (5); a gas treatment and heat recovery unit (6); a combustion unit (7); a main circuit (8); and pipes (9).    USE - For recovering energy from biomass, in particular from vegetal biomass (claimed).    ADVANTAGE - The apparatus contains a biomass gasification system with high flexibility and high efficiency for the generation of thermal electrical energy or for trigeneration; produces high yield of syngas; and allows high energy recovery from the biomass, in the presence of high biomass humidity (up to 40%).    DETAILED DESCRIPTION - An apparatus (1) for recovering energy from biomass, in particular from vegetal biomass, by gasification, comprises: a biomass drying unit (2); a pyrolysis unit (3) comprising at least one pyrolysis reactor in series; a partial oxidation unit (4); a reduction unit (5); a gas treatment and heat recovery unit (6); a combustion unit (7); a main circuit (8) that connects in series the drying unit, the pyrolysis unit, the partial oxidation unit and the reduction unit; where in the apparatus the drying unit, the pyrolysis unit, the partial oxidation unit, the reduction unit, the gas treatment unit and the combustion unit are physically separated units, defining respective reaction environments distinct and separate, connected to one another by pipes (9). An INDEPENDENT CLAIM is included for a method of recovering energy from biomass, in particular from vegetal biomass, by gasification, involving: a drying step of the biomass; a pyrolysis step; a partial oxidation step; a reduction step; a gas treatment step; and a combustion step; where the steps are carried out in respective physically separated reaction stages.    DESCRIPTION OF DRAWING(S) - The figure shows an apparatus for recovering energy from biomass.    Apparatus (1)    Biomass drying unit (2)    Pyrolysis unit (3)    Partial oxidation unit (4)    Reduction unit (5)    Gas treatment and heat recovery unit (6)    Combustion unit (7)    Main circuit (8)    pipes (9)