Deep Eutectic Solvents For Pretreatment Of Lignocellulosic Biomass

This book focuses on the properties of deep eutectic solvents (DESs) and recent advances in their application in lignocellulosic biomass processing. Lignocellulosic biomass conversion to biofuels, biochemicals and other value-added products has attracted global attention because it is a readily available, inexpensive and renewable resource. However, in order for biomass technologies to be commercially viable, biomass recalcitrance needs to be cost-effectively reduced. Deep eutectic solvents (DESs) are new ‘green' solvents that have the high potential for biomass processing thanks to their low cost, low toxicity, biodegradability, and easy recycling and reuse. After an overview of the current lignocellulosic biomass pretreatment, the book discusses the synthesis and physiochemical properties of DESs, as well as key findings on the effects of DES on cellulose, hemicellulose and lignin solubilization, biomass pretreatment and biomass crystallinity. It then addresses the enzymatic hydrolysis performance of DES-pretreated solids, compatibility of DESs with enzymes and microorganisms, and the recycling potential of DESs. Lastly, it compares DESs with ionic liquids, and examines the challenges and opportunities relating to extending the use of DESs in lignocellulosic processing.

The concerns relating to global warming, climate change, and increasing energy demands have led to significant research towards the development of alternative energy to substitute the fossil energy sources. Biomass-based energy or biofuels are highly promising due to many perceptible environmental and socio-economic advantages. Cutting-edge academic research and advanced industrial product development have created tremendous scope for the implementation of biofuels at a global scale to reduce the greenhouse gas emissions and supplement the escalating energy demands. The prime focus of this book is to provide an overview of the different technologies utilized to harness the chemical energy from plant-based non-edible biomass and other organic wastes in the form of solid, liquid, and gaseous biofuels. The opportunities and challenges of different biomass conversion technologies, especially biomass-to-liquid, biomass-to-gas and gas-to-liquid routes, as well as biomass pretreatments, densification, anaerobic digestion, reforming, transesterification, supercritical fluid extraction, microalgal carbon sequestration, life-cycle assessment and techno-economic analysis have been comprehensively discussed in this book. This book is an amalgamation of fifteen different chapters each with distinctive investigations and a collective focus relating to the transition from fossil fuels towards carbon-neutral biofuels. This book serves as a benchmark for academic and industrial researchers involved in exploring the true potentials of plant residues and waste organic matter to produce alternative renewable fuels. To realize the real promises of bioenergy, this book attempts to assess the biorefining approaches, biofuel production and application, and environmental sustainability.

"Bioconversion of lignocellulosic biomass to biofuel is materially obstructed by the compositional and chemical complexity of biomaterials, resulting in a challenge to use these as raw materials for biofuel production process. This book explains various lignocellulosic biomass pre-treatment methods with emphasis on concepts, practicability, mechanisms of action, advantages and disadvantages and the potential for industrial applications. It also highlights the main challenges and suggests possible ways to make these pre-treatment technologies feasible for the biofuel industry. Features: Presents different pre-treatment technologies available for lignocellulosic biomass in a concise manner. Covers use of different pre-treatments methods in laboratory to industrial scale. Includes combined pre-treatment and deep eutectic solvents methods. Discusses problems related to industrial adaptation and corresponding economics of different techniques. Explores significant fuels and chemicals derived from lignocellulosic biomass. This book aims at graduate students and researchers working on biomass conversion, characterization, cellulose, hemicellulose, lignin, microbial enzymes, fermentation technology, and industrial biotechnology"--

Bioconversion of lignocellulosic biomass to biofuel is materially obstructed by the compositional and chemical complexity of biomaterials, resulting in a challenge in using these as raw materials for the biofuel production process. This book explains various lignocellulosic biomass pre-treatment methods with emphasis on concepts, practicability, mechanisms of action, and advantages and disadvantages and potential for industrial applications. It also highlights the main challenges and suggests possible ways to make these pre-treatment technologies feasible for the biofuel industry. Features Presents different pre-treatment technologies available for lignocellulosic biomass in a concise manner. Covers use of different pre-treatment methods in laboratory to industrial scales. Includes combined pre-treatment and deep eutectic solvents methods. Discusses problems related to industrial adaptation and corresponding economics of different techniques. Explores significant fuels and chemicals derived from lignocellulosic biomass. This book is aimed at graduate students and researchers working on biomass conversion, characterization, cellulose, hemicellulose, lignin, microbial enzymes, fermentation technology, and industrial biotechnology.

Lignocellulosic Biomass to Value-Added Products: Fundamental Strategies and Technological Advancements focuses on fundamental and advanced topics surrounding technologies for the conversion process of lignocellulosic biomass. Each and every concept related to the utilization of biomass in the process of conversion is elaborately explained, with importance given to minute details. Advanced level technologies involved in the conversion of biomass into biofuels, like bioethanol and biobutanol, are addressed, along with the process of pyrolysis. Readers of this book will become fully acquainted with the field of lignocellulosic conversion, from its basics to current research accomplishments. The uniqueness of the book lies in the fact that it covers each and every topic related to biomass and its conversion into value-added products. Technologies involved in the major areas of pretreatment, hydrolysis and fermentation are explained precisely. Additional emphasis is given to the analytical part, especially the established protocols for rapid and accurate quantification of total sugars obtained from lignocellulosic biomass. Includes chapters arranged in a flow-through manner Discusses mechanistic insights in different phenomena using colorful figures for quick understanding Provides the most up-to-date information on all aspects of the conversion of individual components of lignocellulosic biomass

The transformation of polysaccharides into valuable compounds for health and industry requires the careful application of enzyme protocols and controlled biocatalysis. Polysaccharide-Degrading Biocatalysts provides a thorough grounding in these biocatalytic processes and their growing role in the depolymerization of polysaccharides, empowering researchers to discover and develop new enzyme-based approaches across pharmaceuticals, fuels, and food engineering. Here, over a dozen leading experts offer a close examination of structural polysaccharides, genetic modification of polysaccharides, polysaccharide degradation routes, pretreatments for enzymatic hydrolysis, hemicellulose-degrading enzymes, biomass valorization processes, oligosaccharide production, and enzyme immobilization for the hydrolysis of polysaccharides, among other topics and related research protocols. A final chapter considers perspectives and challenges in an evolving, carbohydrate-based economy. Describes the role of enzymes in the degradation of polysaccharides to obtain building blocks for biochemical processes Covers new tools for enzymatic evolution, research protocols, and process strategies contributing to large-scale applications Explores the use of polysaccharide hydrolysis products in the areas of pharmaceuticals, fuels, and food engineering Features chapter contributions from international experts

Deep eutectic solvents represent the newest addition among all other non-conventional and alternate solvent systems. Deep Eutectic Solvent Fund Emerging Applications provides detailed insights on these neoteric solvents, their synthesis methods, types, physicochemical properties, and sustainable applications in emerging scientific areas. The book follows a mechanistic approach on understanding the role of DESs as sustainable media for CO2 capture, biomass pretreatment, as catalysts, as reaction media for material synthesis, cross coupling reactions, templates for drug delivery, etc. The book offers a springboard for encouraging vital discussions and inspiring further innovations in the field of environmentally benign eutectic solvent systems. Provides a detailed account of development on DESs with special focus on hydrophilic /hydrophobic DESs Describes experimental and theoretical outlook on the physical and chemical properties of DESs Discusses the toxicity profiling of DESs and their importance in designing biocatalytic routes Includes DESs in emerging areas - pharmaceuticals, drug discovery, functional materials and membrane science Covers use of DESs in CO2 capture, biomass transformations, organic reactions, etc.