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Library of Congress Cataloging-in-Publication Data
ISBN 978-1-119-81873-1
Cover images: Pixabay.Com
Cover design by Russell Richardson
Set in size of 11pt and Minion Pro by Manila Typesetting Company, Makati, Philippines
Printed in the USA
10 9 8 7 6 5 4 3 2 1
Preface
Industrial sectors, such as food, textiles, petrochemicals and pharmaceuticals, generate massive amounts of waste each year, the disposal of which has become a major issue worldwide. As a result, implementing a circular economy which employs sustainable practices in waste management is critical for any industry. Moreover, fossil fuels, which are the primary sources of fuel in the transportation sector, are also being rapidly depleted at an alarming rate. Therefore, to combat these global issues without increasing our carbon footprint, we must look for renewable resources to produce chemicals and biomaterials. In that context, agricultural waste materials are gaining popularity as cost-effective and abundantly available alternatives to fossil resources for the production of a variety of value-added products, including renewable fuels, fuel components and fuel additives.
Handbook of Biomass Valorization for Industrial Applications investigates current and emerging feedstocks, as well as provides in-depth technical information on advanced catalytic processes and technologies that enable the development of all possible alternative energy sources. The 22 chapters of this book comprehensively cover the valorization of agricultural wastes and their various uses in value-added applications like energy, biofuels, fertilizers and wastewater treatment.
The nine chapters in the first part of the book cover topics relating to energy, biofuels and bio-aromatics. Chapter 1 highlights the fundamental concept and basic mechanism of photocatalytic transformation of biomass and biomass-derived chemicals into electricity, hydrogen and fine chemicals. A detailed discussion of aspects of a catalyst, such as structure activity relationship, band gap tuning and visible-light-induced activity, is also presented. Chapter 2 covers Biobased materials as feedstocks for the production of bio-aromatics. Chapter 3 focuses on different types of biomasses, methods of preparation, and sustainability. Chapter 4 discusses the basic principles, mechanisms, and advancements in prominent techniques for glycerol valorization along with the synthesis, characterization, and function of different carbon-based catalysts. Chapter 5 discusses various catalysts involved in the conversion of lignocellulosic biomass into platform chemicals and bio-aromatics. Chapter 6 discusses the pyrolysis of triglycerides for the production of fuels and chemicals. Chapter 7 provides a few guidelines for mathematical modeling of a drying process towards its energy and cost analysis, as well as industrial-scale process optimization. Chapter 8 gives a detailed explanation of many chemical procedures, including fermentation, hydrothermal liquefaction, gasification, pyrolysis, and digestion in the absence of oxygen to form biohydrogen, biomethane, biochar, and other Biobased products from algal biomass. Finally, Chapter 9 focuses on valorization of biomass-derived aldehydes into oxygenated compounds.
The chapters contained in the second part of the book cover topics concerning the food, agricultural and environmental sectors. Chapter 10 gives a brief overview of the generation of waste from food processing industries, and highlights the necessity of valorizing food waste. Chapter 11 details the transformation of photocatalytic biomass into valuable products. Chapter 12 highlights the applications of biomass as biofuel in ecological remediation, phytomedicine and as biocatalysts. Chapter 13 focuses on the valorization of secondary metabolites from plants using various techniques, including tissue culture and mutation breeding. Chapter 14 addresses the use of rice starch for green and sustainable food industry applications. Different physical and chemical modifications of rice starches for targeting various food products and their properties are included to provide new insights into the biomass-derived rice starch. Chapter 15 highlights smart materials derived from agrowastes for use in almost every field ranging from applications for energy storage/conversion devices to those for mitigation and remediation technologies for soil, air and water; and from biomedical applications to those related to precision agriculture. Chapter 16 focuses on the valorization of wastes in value-added applications like fertilizer, wastewater treatment, and biofuel. Chapter 17 highlights the concepts involved in various hydrothermal process pathways such as classification of feedstock, conversion mechanism, influencing parameters, product separation and identification. Chapter 18 critically discusses the industrial applications of cellulose extracted from agricultural and food industry wastes. Chapter 19 highlights techniques for the production of adhesives, hydrogels, nanomaterial, and polymer-based composites.
