Patent ID: 8231382

Claim:
Apparatus for thermally treating contaminated materials in batch processing manner, the apparatus comprising: at least one oven adapted for receiving a batch of material to be treated; said oven being moveable between a first position in which a first portion is generally higher than a second portion and a second position in which the second portion is generally higher than the first portion; and control means to control the speed and frequency of the movement of the oven between first and second positions; wherein the oven does not include an integral afterburner chamber and wherein in that the apparatus further comprises at least one afterburner for generating a stream of hot gasses and conduit means for directing the stream of hot gasses into a treatment zone of the oven and exhaust means for returning the gasses to the at least one afterburner; and wherein movement of the oven from the first position to the second position causes the contaminated material being treated to fall into the first position, and subsequent movement to the second position causes the contaminated material to fall into the second portion in each case with the material passing through the stream of hot gasses.