Biomass Preprocessing and Pretreatments for Production of Biofuels : Mechanical, Chemical and Thermal Methods book cover
1st Edition

Biomass Preprocessing and Pretreatments for Production of Biofuels
Mechanical, Chemical and Thermal Methods

ISBN 9781498765473
Published July 31, 2018 by CRC Press
458 Pages 72 Color & 64 B/W Illustrations

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Book Description

Engineering the physical, chemical, and energy properties of lignocellulosic biomass is important to produce high-quality consistent feedstocks with reduced variability for biofuels production. The emphasis of this book will be the beneficial impacts that mechanical, chemical, and thermal preprocessing methods can have on lignocellulosic biomass quality attributes or specifications for solid and liquid biofuels and biopower production technologies. "Preprocessing" refers to treatments that can occur at a distance from conversion and result in an intermediate with added value, with improved conversion performance and efficiency.

This book explores the effects of mechanical, chemical, and thermal preprocessing methods on lignocellulosic biomass physical properties and chemical composition and their suitability for biofuels production. For example, biomass mechanical preprocessing methods like size reduction (which impacts the particle size and distribution) and densification (density and size and shape) are important for feedstocks to meet the quality requirements for both biochemical and thermochemical conversion methods like enzymatic conversion, gasification, and pyrolysis process. Thermal preprocessing methods like drying, deep drying, torrefaction, steam explosion, hydrothermal carbonization, and hydrothermal liquefaction effect feedstock's proximate, ultimate and energy property, making biomass suitable for both solid and liquid fuel production. Chemical preprocessing which includes washing, leaching, acid, alkali, and ammonia fiber explosion that can enable biochemical composition, such as modification of lignin and hemicellulose, and impacts the enzymatic conversion application for liquid fuels production. This book also explores the integration of these preprocessing technologies to achieve desired lignocellulosic biomass quality attributes for biofuels production.

Table of Contents

Table of contents

  1. Introduction
  2. Jaya Shankar Tumuluru


  3. Conventional and Advanced Mechanical Preprocessing Methods for Biomass: Performance- Quality Attributes and Cost Analysis
  4. Jaya Shankar Tumuluru, and Neal Yancey

  5. Effects of Mechanical Preprocessing Technologies on Gasification Performance and Economic Value of Syngas
  6. Amit Khanchi, Bhavna Sharma, Ashok Kumar Sharma, Ajay Kumar, Jaya Shankar Tumuluru, and Stuart Birrell

  7. Mechanical Fractionation of Biomass Feedstocks for Enhanced Pretreatment and Conversion
  8. Jeffery A. Lacey

  9. Biomass Gasification and Effect of Physical Properties on Products
  10. Sushil Adhikari, Hyungseok Nam, and Avanti Kulkarni

  11. The impacts of biomass pretreatment methods on bio-oil production
  12. Yang Yue, and Sudhagar Mani


  13. Steam Treatment of Cellulosic Biomass for Pelletization
  14. Shahab Sokhansanj, Hamid Rezaei, Pak Sui (Wilson) Lam, Tang Yong, Bahman Ghiasi, and Zahra Tooyserkani

  15. Hydrothermal Carbonization (HTC) of Biomass for Energy Applications

S. Kent Hoekman, Amber Broch, and Larry Felix

9. Thermal Pretreatment of Biomass to make it Suitable for Biopower Application

Jaya Shankar Tumuluru

10. The Impacts of Thermal Pretreatments on Biomass Gasification and Pyrolysis Processes

Ajay Kumar, and Zixu Yang

11. Hydrothermal Liquefaction – A Promising Technology for High Moisture Biomass Conversion

Ankita Juneja, Deepak Kumar, and Jaya Shankar Tumuluru


12. Chemical Preprocessing of Feedstocks for Improved Handling and Conversion to BioFuels

John Erl Aston

  1. Ammonia fiber expansion and its impact on subsequent densification and enzymatic conversion
  2. Bryn D Bals and Timothy J Campbell

  3. Acid Preprocessing Treatments: Benefit for Bioconversion of Biomass for Liquid Fuels and Bioproduct Production
  4. Nick Nagle, and Erik Kuhn

  5. Impacts, Challenges and Economics of Ionic Liquid Pretreatment of Biomass
  6. Ning Sun, Jipeng Yan, Ling Liang, and Todd R. Pray

  7. Compositional and Structural Modification of Lignocellulosic Biomass for Biofuel Production by Alkaline Treatment

Kingsley L. Iroba, Majid Soleimani, and Lope G. Tabil




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Dr. Jaya Shankar Tumuluru is a senior scientist in the Biofuels Department at the Idaho National Laboratory. He is the principal investigator for the Biomass Size Reduction, Drying, and Densification project supported by the Bioenergy Technologies Office at the U.S. Department of Energy. At INL his research is focused on mechanical and thermal preprocessing and pretreatments of biomass. Dr. Tumuluru has also worked on understanding the storage behavior of woody, and herbaceous biomass, biomass drying, food processing using extrusion cooking, shelf-stable food products,  food storage, and process modeling and optimization. He has acted as a reviewer for many high impact factor journals in bioenergy and food processing. He has also reviewed the proposal for national, international grant agencies. He has published more than 100 papers in the peer-reviewed journals, book chapters, conference proceedings and has presented more than 80 papers in national and international conferences.  He has received numerous awards, such as outstanding reviewer for American Society of Agricultural and Biological Engineers, and INL’s Outstanding Achievement in Scientific and Technical Publication, Asian American Engineer of the Year Award for 2018 and R & D 100 award finalist for the year 2018. Dr. Jaya Shankar Tumuluru did his Ph.D. in Agricultural and Food Engineering, from Indian Institute of Technology, Kharagpur, India.