文档介绍：Bioresource Technology 101 (2010) 1570–1580
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Bioresource Technology
journal homepage: ate/biortech
Review
An overview of second generation biofuel technologies
Ralph . Sims a,*, Warren Mabee b, Jack N. Saddler c, Michael Taylor d
a Centre for Energy Research, Massey University, Palmerston North, New Zealand
b Queen’s Institute for Energy and Environmental Policy, Queen’s University, Kingston, Ontario, Canada
c Faculty of Forestry, University of British Columbia, Vancouver, Canada
d Energy Technology Policy Division, International Energy Agency, Paris, France
article info abstract
Article history: The recently identified limitations of 1st-generation biofuels produced from food crops (with perhaps the
Received 18 August 2009 exception of sugarcane ethanol) have caused greater emphasis to be placed on 2nd-generation biofuels
Received in revised form 6 November 2009 produced from ligno-cellulosic feedstocks. Although significant progress continues to be made to
Accepted 9 November 2009
e the technical and economic challenges, 2nd-generation biofuels production will continue to
Available online 5 December 2009
face major constraints to mercial deployment. The logistics of providing petitive, all-
year-round, supply of biomass feedstock to mercial-scale plant is challenging, as is improving
Keywords:
the performance of the conversion process to reduce costs. The biochemical route, being less mature,
Biofuel
probably has a greater cost reduction potential than the thermo-chemical route, but here a wider range
Ligno-cellulose
Land use of synthetic fuels can be produced to better suit heavy truck, aviation and marine applications. Continued
Costs investment in research and demonstration by both public and private sectors, coupled with appropriate
Policies policy support mechanisms, are essential if mercialisation is to be achieved within the next
decade. After that, the biofuel industry will grow