This book provides the latest research on bioethanol production from first- and second- generation feedstock. Bioethanol has emerged as one of the main alternative biofuels in recent years. The book provides a perspective on the chemistry, sources and production of bioethanol highlighting the recent developments in the field.
Through this book readers will learn basic and advanced bioethanol production technologies under one roof, including resource management and environmental and economic impacts. The topics discussed in the book will attract researchers and scholars focusing in this field as well as anyone who is interested in green and sustainable energy resources.
Author(s): Neeraj K. Aggarwal, Naveen Kumar, Mahak Mittal
Series: Green Chemistry and Sustainable Technology
Publisher: Springer
Year: 2022
Language: English
Pages: 207
City: Cham
Preface
Contents
About the Authors
1 Bioethanol: An Overview of Current Status and Future Direction
1.1 Introduction
1.2 Global Trends
1.3 Bioethanol Production
1.3.1 1G Bioethanol
1.3.2 2G Bioethanol
1.3.3 3G Bioethanol
1.4 Industrial Scenario of Bioethanol-Based Sanitizers
1.5 Use of Bioethanol as Transport Fuel and Challenges
1.6 Biorefinery with Bioethanol Production: Beyond Fuel
1.6.1 Value-Added Chemicals
1.6.2 Nanomaterials
1.6.3 Weed Biomass
1.6.4 Municipal Solid Waste
1.6.5 Agricultural Biomass
1.7 Summary
References
2 Understanding of Different Processing Technologies for Bioethanol Production
2.1 Introduction
2.2 Feedstocks for the Production of Bioethanol
2.3 Different Processing Technologies for Bioethanol Production
2.3.1 Concept of Separate Hydrolysis and Fermentation (SHF) Process
2.3.2 Concept of Simultaneous Saccharification and Fermentation (SSF) Process
2.3.3 Concept of Simultaneous Saccharification and Co-fermentation (SSCF) Process
2.3.4 CBP (Consolidated Bioprocessing)
2.4 Summary
References
3 Current Trends in Pretreatment Technologies for Bioethanol Production: Biorefinery Concept
3.1 Introduction
3.2 Composition of Lignocellulosic Biomass
3.3 Pretreatment: A Necessity
3.4 Types of Pretreatment
3.4.1 Conventional Pretreatments
3.4.2 Advanced Pretreatments
3.5 Recent Studies on Different Pretreatment Methods
3.5.1 Physical Pretreatment
3.5.2 Chemical Pretreatment
3.5.3 Physical–Chemical Methods
3.5.4 Biological Methods
3.6 Estimation of the Cost of Several Pretreatment Processes for a Biorefinery Based on Lignocellulosic Feedstock
3.7 Pretreatment Technology Bottlenecks and Future Prospects
References
4 A Feasible Approach for Bioethanol Production Using Conventional and New Feedstocks
4.1 Introduction
4.2 Conventional Feedstocks for Production of Bioethanol
4.2.1 Cereal Based Substrates for Synthesis of Bioethanol
4.2.2 Cereal Based Substrates Derived from Agro-residues for Synthesis of Ethanol
4.3 An Account of New Feedstocks for Production of Bioethanol
4.3.1 Utilization of Energy Crops
4.3.2 Exploitation of Forest Biomass
4.3.3 Utilization of Agricultural Residues
4.3.4 Use of Industrial Waste
4.3.5 Municipal Waste Utilization
4.4 Genetic Engineering for Enhancing the Production Yield of Bioethanol
4.5 Aquatic Weeds: Novel Substrate for Production of Bioethanol
4.6 Role of Nanotechnology for Advanced Ethanol Production
4.7 Global Scenario for Production of Ethanol in Coming Future
References
5 Potential of Weed Biomass for Bioethanol Production
5.1 Introduction
5.2 The Chemical Makeup of Lignocellulosic Weeds Biomass
5.3 Enzymatic Hydrolysis
5.4 Fermentation
5.5 Summary
References
6 Valorization of Organic Fraction of MSW for Bioethanol Production
6.1 Introduction
6.2 Current Status of MSW
6.3 Importance of Liquid Biofuels
6.4 Production of Bioethanol from Organic Fraction of MSW
6.4.1 Pretreatment
6.4.2 Enzymatic Hydrolysis
6.4.3 Fermentation
6.4.4 Recovery of Ethanol
6.5 Role of Circular Economy
6.6 Techno-economic Challenges in the Production of Fuel from OFMSW
6.7 Utilization of MSW for Commercial Scale
6.8 Impact on Environmental Aspect
6.9 Economics of Conversion from MSW to Energy
6.10 Future Recommendations
6.11 Summary
References
7 Algae as Potential Feedstock for Bioethanol Production
7.1 Introduction
7.2 Algal Bioethanol
7.3 Cultivation of Algae
7.3.1 Laboratory Cultivation
7.3.2 Raceway Ponds
7.3.3 Photobioreactor Systems (PBRs)
7.3.4 Wastewater
7.4 Harvesting of Algal Biomass
7.5 Pretreatment and Saccharification of Algal Biomass
7.5.1 Pretreatment and Hydrolysis for Production of Sugar
7.6 Fermentation of Algal Sugars
7.7 Summary
References
8 Integrated Biorefinery and Bioethanol Production
8.1 Introduction
8.2 Concept of Biorefinery
8.3 Bioethanol
8.4 Lignocellulosic Biorefinery for Production of Bioethanol
8.4.1 Pretreatment of LCB Feedstock
8.4.2 Enzymatic Hydrolysis
8.4.3 Fermentation
8.5 Summary
References
9 Bioethanol: A Fermentation Feedstock for Synthesis of Bulk Chemicals
9.1 Introduction
9.2 Bioethanol as Fermentation Feedstock
9.3 Two-Stage Fermentation
9.4 How Does Ethanol Have Potential to Act as a Fermentation Feedstock?
9.5 Summary
References
10 Bioethanol and Biohydrogen Production from Agricultural Waste
10.1 Introduction
10.2 Agricultural Biomass
10.3 Why Agricultural Waste Should Be Used?
10.4 Agricultural Waste for Production of Biohydrogen
10.5 Bioethanol as Sustainable and Eco-friendly Biofuel
10.6 Physicochemical Characteristics of Ethanol
10.7 Ethanol Production from Crop Residues
10.8 Production of Ethanol from Some Promising Agricultural Feedstock (Based on Data)
10.9 Bioconversion of Lignocellulosic Biomass to Bioethanol
10.9.1 Processing and Pretreatments
10.9.2 Enzymatic Saccharification of Pretreated Biomass
10.9.3 Fermentation and Product Recovery
10.10 Environment Aspects of Bioethanol
10.11 Summary
References
11 Ethanogenic Bacteria: Present Status for Bioethanol Production
11.1 Introduction
11.2 Current State of Bacteria Developed for Ethanol Production
11.2.1 E. coli Genetic Engineering for Ethanol Production
11.2.2 Engineering in Z. mobilis for Bioethanol Production
11.2.3 Engineered Klebsilla for Bioethanol Production
11.2.4 Engineering Bacillus for Production of Bioethanol
11.3 Different Methods to Improve Production of Bioethanol
11.3.1 Engineering for Utilization of Lignocellulosic Feedstock
11.3.2 Genetic Engineering
11.3.3 Selection of Microbes and Cultural Conditions
11.3.4 Engineering for Biofuel Tolerance
11.4 Current Status of Production and Future Perspective
11.5 Summary
References
12 Ethanol Production from Xylose Through GM Saccharomyces cerevisiae
12.1 Introduction
12.2 Pathways of Xylose Utilization
12.3 Xylose Reductase and Xylitol Dehydrogenase Expression
12.4 XI Expression
12.5 Factors Limiting Xylose Metabolism in S. cerevisiae
12.5.1 Uptake of Xylose
12.5.2 Redox Imbalance from Xylose Reductase and Xylitol Dehydrogenase
12.5.3 Xylulokinase
12.5.4 Non-oxidant Pentose Phosphate Enzymes Transketolase or Transaldolase
12.6 Host Strain Selection for Xylose Metabolized Fermentation
12.7 Modification of Xylose-Efficient S. cerevisiae Strains
12.8 Summary
References
13 Prospects of Nanotechnology in Bioethanol Production
13.1 Introduction
13.2 Nanomaterials
13.3 Pretreatment
13.4 Enzymatic Hydrolysis
13.5 Bioethanol Production Using Various Nanomaterials
13.6 Summary
References
14 Life Cycle Analysis (LCA) in GHG Emission and Techno-economic Analysis (TEA) of Bioethanol Production
14.1 Introduction
14.2 Life Cycle Analysis for Bioethanol Production
14.3 Techno-economic Analysis of Bioethanol Production
References
15 Opportunities and Challenges for Use of Bioethanol as Transport Fuel: A Global Perspective
15.1 Introduction
15.2 Transportation Fuel
15.3 Effect on Engine Performance
15.4 Summary
References
