NOVELTY - The apparatus comprises an elongate vessel with an inlet for waste to be introduced and an outlet for treated waste, inlets for selectively injecting steam into an interior of vessel at a temperature of 150-200 degrees C, a drive arranged to provide relative motion between steam inlets and first zone such that some of the steam inlets are in the first zone at any time, a steam control unit to supply steam to steam inlets in the first zone, a unit for heating and/or maintaining the interior of the vessel to a temperature of 150-200 degrees C, and a unit to transfer waste material from inlet to outlet.    USE - The apparatus is useful for treating solid waste material to produce bio-alcohol, fuel for a fuel cell and aviation fuel (all claimed), where the bio-alcohol is useful to produce electricity to power aircraft engines.    ADVANTAGE - The apparatus is capable of continuously, environmental friendly, efficiently, safely and economically treating the solid waste material without requiring high energy inputs and creating hot-spot in the vessel and with improved selectivity.    DETAILED DESCRIPTION - The apparatus comprises an elongate vessel with an inlet for waste to be introduced and an outlet for treated waste, inlets for selectively injecting steam into an interior of the vessel at a temperature of 150-200 degrees C, a drive arranged to provide relative motion between the steam inlets and first zone such that some of the steam inlets are in the first zone at any time, a steam control unit to supply steam to steam inlets in the first zone, a unit for heating and/or maintaining the interior of the vessel to a temperature of 150-200 degrees C, a unit for transferring waste material from the inlet to the outlet, and electrical generators. The interior of the vessel has a first zone and a second zone, is at a pressure under 2 bar, and is substantially at ambient pressure. The drive is arranged to rotate the vessel. The steam inlets are provided in steam pipes, and are fixed relative to the interior of the vessel. The heating unit consists of heated air, an exterior steam jacket and a heating element, and comprises a heating jacket heated by steam. The treated waste material comprises a biomass of cellulose material containing less than 1% of sulfur. The outlet is connected to a sorting chamber, where the treated waste material is separated into plastics, ferrous metals, non-ferrous metals and biomass of cellulose material. The biomass is transferred to a hyperbaric engine, a fuel cell, a unit for converting the biomass into biodiesel or an organic alcohol such as bio-ethanol or bio-butanol, or an aviation fuel. The electrical generators are powered by the biodiesel or organic alcohol. INDEPENDENT CLAIMS are included for:    (1) a distributor valve;    (2) a method for treating waste material;    (3) a method of making bio-alcohol;    (4) a method of making fuel for a fuel cell; and    (5) a method of making aviation fuel.    DESCRIPTION OF DRAWING(S) - The diagram shows a schematic view of a process plant for continuously treating solid waste materials.    Transfer site (A)    Mechanical shredding unit (B)    Steam treatment unit (C)    Separating stage (E)    Plastic recovery unit. (J)