8. Fundamentals of Biomass Pretreatment at High pH

  1. Charles E. Wyman4,5
  1. Rocío Sierra Ramirez1,†,
  2. Mark Holtzapple1 and
  3. Natalia Piamonte2

Published Online: 5 APR 2013

DOI: 10.1002/9780470975831.ch8

Aqueous Pretreatment of Plant Biomass for Biological and Chemical Conversion to Fuels and Chemicals

Aqueous Pretreatment of Plant Biomass for Biological and Chemical Conversion to Fuels and Chemicals

How to Cite

Ramirez, R. S., Holtzapple, M. and Piamonte, N. (2013) Fundamentals of Biomass Pretreatment at High pH, in Aqueous Pretreatment of Plant Biomass for Biological and Chemical Conversion to Fuels and Chemicals (ed C. E. Wyman), John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470975831.ch8

Editor Information

  1. 4

    Department of Chemical and Environmental Engineering and Center for Environmental Research and Technology, University of California, Riverside, USA

  2. 5

    BioEnergy Science Center, Oak Ridge, USA

Author Information

  1. 1

    Department of Chemical Engineering, Texas A&M University, College Station, USA

  2. 2

    Department of Chemical Engineering, University of the Andes, Bogota, Colombia

  1. Department of Chemical Engineering, University of the Andes, Bogota, Colombia

Publication History

  1. Published Online: 5 APR 2013
  2. Published Print: 10 MAY 2013

Book Series:

  1. Wiley Series in Renewable Resources

Book Series Editors:

  1. Christian V. Stevens

Series Editor Information

  1. Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium

ISBN Information

Print ISBN: 9780470972021

Online ISBN: 9780470975831

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Keywords:

  • alkaline biomass pretreatment;
  • alkaline wet oxidation;
  • ammonia pretreatments;
  • chemical effects;
  • lime pretreatment;
  • pretreatment selectivity;
  • pretreatment severity;
  • sodium hydroxide pretreatments

Summary

Alkaline pretreatment significantly increases the digestibility of lignocellulose. Pretreatment conditions (e.g., time, temperature, pressure, alkali concentration) vary widely depending on the selected feedstock and alkali. This chapter reviews the basic chemistry that occurs during alkaline pretreatment, which involves the main lignocellulose polymers (lignin, cellulose, and hemicellulose). In addition, it describes important results obtained from widely applied alkaline pretreatments.