Abstract: The present invention is a portable incineration apparatus. The portable incinerator includes a box having four walls with a top and bottom opening. The inside of the walls are lined with a layer of refractory material to form a combustion chamber in combination with the bottom opening which is placed on the ground. A source of high velocity air is in communication with a manifold assembly which is adapted to direct an effective sheet or curtain of high velocity air across the top opening and down into the combustion chamber to maintain a substantially uniform discharge rate of the high velocity air as it exits the manifold assembly along the top opening. The uniform curtain of air over the top opening limits the amount of smoke, ash and other particulate released into the atmosphere during the burning process.