Patent ID: 7968057
Filing Date: 2011-06-28
Classification: B01J

Abstract:
1. A waste treatment apparatus comprising an autoclave, the autoclave comprising a pressure vessel having a first mouth part to receive waste material and a second mouth part to discharge treated material, wherein the autoclave is rotatable about a longitudinal axis to agitate the waste material during treatment and to discharge waste material from the autoclave, wherein the first mouth part is closeable by a first door and the second mouth part is closeable by a second door, the pressure vessel having a plurality of steam outlet pipes located within the pressure vessel and a steam supply joint for supplying steam to the steam outlet pipes, wherein the pressure vessel has a steam connection collar, the steam connection collar having a plurality of channels passing therethrough connected to the steam outlet pipes, and wherein one of the doors comprises a plurality of channels, such that when the door is closed each door channel is connected to a corresponding steam connection collar channel to supply steam to the steam outlet pipe connected thereto.