ETH Zurich researchers discovered and patented method to produce biofuel from wood

Published 7, May 2014 at 464 × 231 in ETH Zurich researchers discovered and patented method to produce biofuel from wood
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Thomas Pielhop fills spruce sawdust into a reactor vessel into which he then injects hot steam at a temperature of 220 degrees to break up the wood structure. (Image: F. Gribi / NRP66)

Thomas Pielhop fills spruce sawdust into a reactor vessel into which he then injects hot steam at a temperature of 220 degrees to break up the wood structure. (Image: F. Gribi / NRP66)

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