This kiln consists of a single barrel, in which the biomass to be charred is ignited from the top. As the biomass burns, it gets pyrolysed. Arrangements have been made in this kiln to burn the Pyrolysis gas in the kiln itself. The biomass gets pyrolysed from top to bottom, as the Pyrolysis front migrates downwards. The capacity of the kiln is about 30 kg char per day. As the kiln consists of a single barrel, it is small in size and its cost too is low.
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