Abstract
The objective of this investigation was to optimize the production of oil from biomass using entrained flow pyrolysis. Recent small-scale research efforts at Georgia Institute of Technology and other laboratories have indicated that high oil yields can be obtained in entrained flow pyrolysis of wood. A process research unit (PRU) has been designed and constructed with a nominal operating feed rate of 56·7 kg h −1. The PRU has been operated satisfactorily with oak feedstock. A mass balance enclosure of 96·8% was obtained in one experimental run in which the mass oil yield was 36·4%, which corresponds to a thermal yield of 40·7% based on the heating value of wood feed. A mass oil yield of 41·3% was obtained in a subsequent experiment. The research is ongoing with emphasis on determining the conditions for optimum oil production in entrained flow pyrolysis of biomass.
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