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This communication reports the results of an experimental study of spouted bed combustion of paddy husk. The results indicate that husk combustion intensity of the order of 350 kg/h — m2 of reactor area is possible with a combustion efficiency of over 85 per cent. Selection of sand size and bed‐depth for the spouted bed have emerged to be important parameters in view of pressure drop across bed and entrainment from combustor. The changes in efficiency of combustion were insignificant for different particle size and different bed depths. However there seems to be an optimum combustion intensity i.e. 350 kg/h — m2 below and above which combustion efficiency decreases.

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