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Biodiesel Production - Technologies, Challenges, and Future Prospects, 2019
- Contents
- Preface
- Contributing Authors
- About the Editors
- Chapter 1: Biodiesel Basics [Go to Page]
- 1.1 Biodiesel History
- 1.2 Properties of Biodiesel [Go to Page]
- 1.2.1 Chemical Composition
- 1.2.2 Cetane Number
- 1.2.3 Oxidative Stability
- 1.2.4 Heat of Combustion
- 1.2.5 Density of Biodiesel
- 1.2.6 Viscosity of Biodiesel
- 1.2.7 Cold Flow Properties
- 1.2.8 Iodine Value
- 1.3 Biodiesel Standards
- 1.4 Biodiesel versus Other Biorefinery Products
- 1.5 Biodiesel Blending, Storage, and Transport [Go to Page]
- 1.5.1 Biodiesel Blending
- 1.5.2 Storage and Transport
- 1.6 Performance of Biodiesel as a Fuel and Demonstration of its Usage
- References
- Chapter 2: Biodiesel: Variations, Properties, and Comparison with Diesel [Go to Page]
- 2.1 Introduction
- 2.2 Variations in Biodiesel
- 2.3 Physicochemical Aspects
- 2.4 Contaminants in Biodiesel
- 2.5 Particulate Emissions
- 2.6 Conclusions
- References
- Chapter 3: Biodiesel Production by Transesterification [Go to Page]
- 3.1 Introduction
- 3.2 Transesterification of Oil/Fat to Biodiesel [Go to Page]
- 3.2.1 Catalyst Impact
- 3.2.2 Effect of Alcohol Type
- 3.2.3 Effect of Oil Type
- 3.2.4 Alcohol-to-Oil Ratio
- 3.2.5 Assisted Transesterification
- 3.3 Transesterification of Oil-Bearing Substances to Biodiesel
- 3.4 Biodiesel Production
- 3.5 Summary
- 3.6 Acknowledgments
- References
- Chapter 4: Enzyme-Catalyzed Transesterification for Biodiesel Production [Go to Page]
- 4.1 Introduction
- 4.2 Feedstocks and General Methods for Biodiesel Production [Go to Page]
- 4.2.1 Potential Feedstocks
- 4.2.2 Overview of Transesterification Methods
- 4.3 Enzyme-Catalyzed Transesterification for Biodiesel Production [Go to Page]
- 4.3.1 Sources of Lipases
- 4.3.2 Lipase Enzyme Production
- 4.3.3 Reaction Mechanism of Lipase-Assisted Transesterification
- 4.3.4 Extracellular Lipases
- 4.3.5 Intracellular Lipases and Whole-Cell Immobilization
- 4.3.6 Parameters Affecting Lipase-Catalyzed Transesterifications
- 4.3.7 Immobilization of Lipases for Transesterification
- 4.3.8 Reactors for Immobilized Lipase-Based Transesterification
- 4.4 Cost Analysis of Immobilized Lipase-Based Transesterification
- 4.5 Summary
- References
- Chapter 5: Plant Oil to Biodiesel [Go to Page]
- 5.1 Introduction
- 5.2 Feedstocks for Biodiesel Production [Go to Page]
- 5.2.1 Commonly Used Edible Oils
- 5.2.2 Commonly Used Nonedible Oils
- 5.3 Physical and Chemical Properties of Plant Oils
- 5.4 Transesterification Processes of Plant Oils [Go to Page]
- 5.4.1 Homogeneously Catalyzed Transesterification Process
- 5.4.2 Heterogeneously Catalyzed Transesterification Process
- 5.4.3 Enzyme-Catalyzed Transesterification Process
- 5.4.4 Supercritical Transesterification Process
- 5.5 Challenges in Biodiesel Production from Plant Oils
- 5.6 Future Work and Prospects
- 5.7 Summary
- References
- Chapter 6: Animal Fat Biodiesel [Go to Page]
- 6.1 Introduction
- 6.2 Sources of Animal Fats for Biodiesel Production [Go to Page]
- 6.2.1 Edible and Inedible Tallow Products
- 6.2.2 Lard Products
- 6.2.3 Poultry Fat
- 6.2.4 Fish Waste
- 6.3 Comparative Studies of Free Fatty Acids
- 6.4 Effect of Metals on Tallow, Lard, Poultry, and Fish Fat
- 6.5 Conversion of Animal Fats into Biodiesel Using Charcoal and CO2 [Go to Page]
- 6.5.1 Using CO2
- 6.5.2 Using Charcoal
- 6.6 Measuring the Economic Impact of Animal Fat Biodiesel
- 6.7 Pros and Cons of Animal Fat Biodiesel
- 6.8 Summary
- 6.9 Acknowledgments
- References
- Chapter 7: Biodiesel from Waste Cooking Oil [Go to Page]
- 7.1 Introduction
- 7.2 Sources of Waste Cooking Oil
- 7.3 Biodiesel from Waste Cooking Oil [Go to Page]
- 7.3.1 Factors Affecting Waste Cooking Oil
- 7.3.2 Transesterification
- 7.3.3 Purification of Biodiesel
- 7.4 Comparison between Waste Cooking Oil and Virgin Oil
- 7.5 Cost Analysis of Biodiesel from Waste Cooking Oil
- 7.6 Summary
- References
- Chapter 8: Microalgae Oil Biodiesel [Go to Page]
- 8.1 Introduction
- 8.2 Microalgae for Biodiesel Production [Go to Page]
- 8.2.1 Microalgae Diversity
- 8.2.2 Composition of Microalgae Oil
- 8.2.3 Microalgae Oil Content and Productivities
- 8.3 Impact Factors of Microalgae Production and Oil Accumulation [Go to Page]
- 8.3.1 Microalgae Strain
- 8.3.2 Nutrient Source
- 8.3.3 Cultivation Conditions
- 8.4 Microalgae Cultivation Systems [Go to Page]
- 8.4.1 Open Pond Cultivation System
- 8.4.2 Closed Photobioreactor Cultivation System
- 8.4.3 Hybrid Cultivation Systems
- 8.5 Microalgae Biomass Harvest
- 8.6 Possibility of Microalgae Biodiesel
- 8.7 Summary
- References
- Chapter 9: Single Cell Oil Biodiesel [Go to Page]
- 9.1 Introduction
- 9.2 Characteristics of Single Cell Oil
- 9.3 Oleaginous Microorganisms for Single Cell Oil Production
- 9.4 Substrates Utilized for Single Cell Oil Production
- 9.5 Factors Affecting Production of Single Cell Oil
- 9.6 Degradation of Lipids in Carbon Limitation
- 9.7 Biochemistry of Single Cell Oil Production in Yeast [Go to Page]
- 9.7.1 Fatty Acid Synthesis
- 9.7.2 Glycerol Backbone Synthesis
- 9.7.3 Triacylglycerol Synthesis
- 9.7.4 Single Cell Oil Production Pathway from Hydrophobic Substrates
- 9.8 Genetic Engineering for Single Cell Oil Production
- 9.9 Cost and Economic Consideration in Single Cell Oil Production
- 9.10 Challenges and Prospects
- 9.11 Summary
- References
- Chapter 10: Biodiesel Production from Oleaginous Microorganisms with Organic Wastes as Raw Materials [Go to Page]
- 10.1 Introduction
- 10.2 Organic Wastes for Oleaginous Microorganism Cultivation [Go to Page]
- 10.2.1 Bioconversion of Agriculture Wastes to Biodiesel
- 10.2.2 Bioconversion of Industrial Wastes to Biodiesel
- 10.2.3 Bioconversion of Residential Wastes to Biodiesel
- 10.3 Parameters Affecting Lipid Accumulation [Go to Page]
- 10.3.1 pH Effects
- 10.3.2 Temperature Effects
- 10.3.3 DO Agitation and Aeration Effects
- 10.3.4 C/N Ratio Effects
- 10.3.5 Trace Elements Effect
- 10.3.6 Fermentation Mode Effects
- 10.4 Case Studies
- 10.5 Challenges and Future Perspectives
- 10.6 Summary
- 10.7 Acknowledgments
- References
- Chapter 11: Oil Extraction Using Wastewater Sludge [Go to Page]
- 11.1 Introduction
- 11.2 Methods of Sludge Disposal [Go to Page]
- 11.2.1 Agricultural Reuse
- 11.2.2 Incineration
- 11.2.3 Scum Disposal
- 11.3 Sludge Characterization
- 11.4 Valuable Products from Wastewater Sludge
- 11.5 Recent Studies on Oil Extraction Using Wastewater Sludge [Go to Page]
- 11.5.1 Thermochemical: Pyrolysis
- 11.5.2 Mechanical-Chemical
- 11.6 Advantages and Disadvantages of Different Oil Extraction Processes
- 11.7 Comparison of Sludge-Based Oil with Other Oils
- 11.8 Techno-Economic Evaluation [Go to Page]
- 11.8.1 Thermochemical
- 11.8.2 Mechanical-Chemical
- 11.9 Recent Advancements and Future Perspectives [Go to Page]
- 11.9.1 In Situ Transesterification
- 11.9.2 Nanoparticles for Oil Extraction
- 11.10 Conclusions
- References
- Chapter 12: Biodiesel Production Using Fermented Wastewater Sludge-Derived Lipids [Go to Page]
- 12.1 Introduction
- 12.2 Characteristics of Wastewater Sludge
- 12.3 Biodiesel from Wastewater Sludge-Derived Lipids
- 12.4 Factors Affecting Lipid Production Using Wastewater Sludge
- 12.5 Lipid Accumulation in Oleaginous Microorganisms Fed with Sludge
- 12.6 Challenges and Future Perspectives
- 12.7 Summary
- References
- Chapter 13: Conversion of Crude Glycerol to Lipid and Biodiesel [Go to Page]
- 13.1 Introduction
- 13.2 Characteristics and Composition of Crude Glycerol
- 13.3 Rationale for Use of Crude Glycerol in Lipid Production
- 13.4 Metabolism for Glycerol Uptake
- 13.5 Recent Studies on Lipid Production from Crude Glycerol [Go to Page]
- 13.5.1 Selection of Strains Utilizing Crude Glycerol
- 13.5.2 Fermentation Cultivation Mode
- 13.5.3 Optimization of C/N Ratio, Media Components, and Fermentation Parameters
- 13.5.4 Pretreatment of Crude Glycerol
- 13.5.5 Coculture System for Lipid Production
- 13.5.6 Other Studies
- 13.6 Analysis of Studies Reported in Literature [Go to Page]
- 13.6.1 Fermentation Profiles for Reported Studies
- 13.7 Major Findings from Previous Studies and Future Perspectives [Go to Page]
- 13.7.1 Treatment of Crude Glycerol
- 13.7.2 Selection of Cultivation Mode
- 13.7.3 Optimization of Media Components
- 13.7.4 Optimization of Fermentation Parameters
- 13.7.5 Genetic and Metabolic Engineering of Selected Strains
- 13.8 Summary
- References
- Chapter 14: Lignocellulosic Biomass: The Future Renewable Low-Cost Carbon Source for Microbial Lipid Production [Go to Page]
- 14.1 Introduction
- 14.2 Lipid Production from Lignocellulosic Biomass [Go to Page]
- 14.2.1 Lipids from Lignocellulose-Derived Sugars
- 14.2.2 Fractionation of Lignocellulosic Biomass
- 14.2.3 Saccharification of Cellulose and Hemicellulose Polymer
- 14.3 Fermentation [Go to Page]
- 14.3.1 Organisms that Can Grow on LCB Hydrolysates
- 14.4 Types of Fermentation for Lipid Production [Go to Page]
- 14.4.1 Submerged and Solid-State Fermentation
- 14.4.2 Fed-Batch and Continuous Fermentation
- 14.4.3 Carbon Source Assimilation and Lipid Accumulation by M. isabellina in Corn Fiber Hydrolysate
- 14.4.4 Simultaneous Saccharification and Fermentation Using Filamentous Fungus
- 14.4.5 Co-utilization of Fermentable Sugars in Lignocellulosic Biomass Hydrolysate
- 14.5 Pretreatment Inhibitors and Their Effect on Microbial Growth and Lipid Accumulation
- 14.6 Summary
- References
- Chapter 15: Lipid Extraction Technologies [Go to Page]
- 15.1 Introduction
- 15.2 Cell Disruption
- 15.3 Physical Technologies of Lipid Separation [Go to Page]
- 15.3.1 Expeller Pressing
- 15.3.2 Thermal Extraction
- 15.3.3 Ultrasonication
- 15.4 Chemical Technologies of Lipid Separation [Go to Page]
- 15.4.1 Organic Solvent Extraction
- 15.4.2 Supercritical Fluid Lipid Extraction
- 15.4.3 Other Technologies for Lipid Extraction
- 15.5 Summary
- 15.6 Acknowledgments
- References
- Chapter 16: Milking of Lipids from Oleaginous Microorganisms [Go to Page]
- 16.1 Introduction
- 16.2 Microbial Potential for Lipid Production
- 16.3 Milking Methods to Extract Lipids [Go to Page]
- 16.3.1 Biocompatible Organic Solvent
- 16.3.2 Pulsed Electric Field
- 16.3.3 Spontaneous Oozing
- 16.3.4 Membrane Transport Proteins
- 16.4 Summary and Future Prospects
- References
- Chapter 17: Application of Nanotechnology in Biodiesel Production [Go to Page]
- 17.1 Introduction
- 17.2 Lipid Production Using Nanotechnology
- 17.3 Lipid Extraction Using Nanotechnology
- 17.4 Nanotechnology in Selective Purification of Hydrocarbons from Oil [Go to Page]
- 17.4.1 Selective Extraction of Free Fatty Acids from Oil
- 17.4.2 Purification of Polyunsaturated Free Fatty Acids
- 17.5 Nanotechnology in the Transesterification Reaction [Go to Page]
- 17.5.1 Transesterification in a Microreactor
- 17.5.2 Transesterification by Enzyme Immobilization
- 17.6 Conclusions
- References
- Chapter 18: Genetic/Metabolic Engineering and Synthetic Biology Applications to Improve Single Cell Oil Accumulation [Go to Page]
- 18.1 Introduction
- 18.2 Basic Gene Transfer Mechanisms [Go to Page]
- 18.2.1 Gene Transfer via Vectors
- 18.2.2 Physical Gene Transfer Mechanisms
- 18.2.3 Gene Delivery through Chemical Carriers
- 18.3 Advances in Genetic Engineering Tools [Go to Page]
- 18.3.1 Transformation Techniques
- 18.3.2 Heterologous Protein Expression
- 18.3.3 Site-Specific Genome Editing
- 18.4 Multiple Knowledge Needed for Planning the Genetic Engineering [Go to Page]
- 18.4.1 Genomic, Proteomic, and Transcriptome Profiles
- 18.4.2 Metabolomics and Silico Models
- 18.5 Genetic Engineering Strategies for Lipid Production [Go to Page]
- 18.5.1 Blocking the Competing Pathways
- 18.5.2 Deregulation of Fatty Acid Synthesis
- 18.5.3 Optimization of Enzyme Expression Levels
- 18.5.4 Balancing Cofactor Generation and Utilization
- 18.5.5 Availing Excess Precursors for Fatty Acid Synthesis
- 18.6 Genetic Engineering in Algae [Go to Page]
- 18.6.1 Genome Characterization
- 18.6.2 Transformation
- 18.6.3 Photo-Inhibition
- 18.6.4 Carbon Assimilation
- 18.7 Improvement in Biodiesel Production by Genetic Engineering [Go to Page]
- 18.7.1 Lipid Quantity
- 18.7.2 Lipid Quality
- 18.7.3 In Situ Biodiesel Production
- 18.7.4 Engineering the Downstream Processes
- 18.8 Importance of Gene Constructs and Synergy of Operons
- 18.9 Challenges in Designing Metabolic Pathways [Go to Page]
- 18.9.1 Gene Discovery and Pathway Construction
- 18.9.2 Characterizing Enzyme Expression by Proteomics
- 18.9.3 Optimization of Expression Levels of Protein
- 18.10 Summary and Future Prospects
- References
- Chapter 19: Recovery and Purification Technologies of Biodiesel [Go to Page]
- 19.1 Introduction
- 19.2 Biodiesel Separation Techniques [Go to Page]
- 19.2.1 Gravitational Settling
- 19.2.2 Centrifugation
- 19.3 Biodiesel Purification Techniques [Go to Page]
- 19.3.1 Conventional Biodiesel Purification Techniques
- 19.3.2 New Biodiesel Purification Technology (Membrane Technology)
- 19.3.3 Advantages and Disadvantages of Purification Technologies
- 19.4 Quality Testing of Biodiesel
- 19.5 Storage, Stability, and Transportation
- 19.6 Future Work and Prospects
- 19.7 Summary
- 19.8 Acknowledgments
- References
- Chapter 20: Purification of Biodiesel Using Resins and Adsorbents [Go to Page]
- 20.1 Introduction
- 20.2 Recent Case Studies [Go to Page]
- 20.2.1 Silica as Adsorbent for Biodiesel Purification
- 20.2.2 Purification of Biodiesel Using Ion-Exchange Resins
- 20.2.3 Wastes as an Adsorbent for Purifying Biodiesel
- 20.3 Comparative Studies among Adsorbents, Ion-Exchange Resins, and Wet-Washing Methods
- 20.4 Research on Improvement of Ion-Exchangers and Adsorbents for Biodiesel Purification
- 20.5 Conclusions
- References
- Chapter 21: Management of Coproducts from Biodiesel Production [Go to Page]
- 21.1 Introduction
- 21.2 Bioresidue Generated after Harvest and Extraction of Oil from Agricultural Biomass [Go to Page]
- 21.2.1 Crop Residues during Harvest
- 21.2.2 Coproducts Generated after Extraction of Oil from Agricultural Biomass
- 21.2.3 Crude Glycerol
- 21.2.4 Wastewater
- 21.3 Coproduct Management [Go to Page]
- 21.3.1 Anaerobic Digestion and Biogas Production
- 21.3.2 Production of Other Fuels
- 21.3.3 Animal Feed
- 21.3.4 Chemical Feedstock from Crude Glycerol and Other Residual Biomass
- 21.3.5 Biomaterial Applications
- 21.3.6 Thermal Degradation of Residual Mass after Extraction of Oil
- 21.3.7 Microbial Cultivation on Residual Mass Generated during Biodiesel Production
- 21.3.8 Nutraceutical and Bioactive Compound Extraction from Residue
- 21.3.9 Fertilizers
- 21.4 Biorefinery Concept
- 21.5 Conclusions
- 21.6 Acknowledgments
- References
- Chapter 22: Economic Evaluation of Biodiesel Production Processes [Go to Page]
- 22.1 Historical Account of Biodiesel Industry Development
- 22.2 Necessity of Techno-Economic Evaluations [Go to Page]
- 22.2.1 Economic Fallout of Biodiesel Industry
- 22.3 Evaluations with Vegetable Oil and Waste Cooking Oil [Go to Page]
- 22.3.1 Vegetable Oil for Biodiesel Production
- 22.3.2 Waste Cooking Oil for Biodiesel Production
- 22.4 Techno-Economic Studies with Algal Oil
- 22.5 Advent of Single Cell Oil and Techno-Economic Shortcomings
- 22.6 Cost Considerations in Downstream Processing [Go to Page]
- 22.6.1 Biomass Harvesting
- 22.6.2 Economics of Lipid Extraction and Separation
- 22.7 Cost Consideration in the Transesterification Process [Go to Page]
- 22.7.1 Comparison of Cost between Transesterification Reactors
- 22.7.2 Reactants in Transesterification
- 22.7.3 Effect of Impurities on Oil for Biodiesel Conversion
- 22.8 Post-Transesterification Purification Cost Consideration [Go to Page]
- 22.8.1 Wet Washing
- 22.8.2 Dry Washing
- 22.8.3 Techno-Economic Comparison for Biodiesel Purification Techniques
- 22.9 Evaluation of Economic Feasibility [Go to Page]
- 22.9.1 Return on Investment
- 22.9.2 Cash Flow Analysis
- 22.9.3 Investments, Profits, Revenues, and Credits
- 22.9.4 Cost of Unit Production
- 22.9.5 Payback Period
- 22.10 Global Biodiesel Economy and Roadmap Ahead
- 22.11 Conclusions
- References
- Chapter 23: Biodiesel Impact on Environment and Health [Go to Page]
- 23.1 Introduction
- 23.2 Effect on Air Quality [Go to Page]
- 23.2.1 Emissions from Biodiesel Combustion
- 23.2.2 Agrochemicals in the Atmosphere
- 23.3 Effect on Water Resources [Go to Page]
- 23.3.1 Water Availability
- 23.3.2 Water Pollution
- 23.4 Effect on Soil [Go to Page]
- 23.4.1 Soil Productivity
- 23.4.2 Soil Erosion
- 23.4.3 Fuel Spillage
- 23.5 Effect on Biodiversity
- 23.6 Greenhouse Gas Emissions [Go to Page]
- 23.6.1 Reduction in Greenhouse Gas Emissions
- 23.6.2 Uncertainties about the GHG Emissions Savings
- 23.7 Public Safety and Health [Go to Page]
- 23.7.1 Occupational Health Hazards
- 23.7.2 Impact of Soil Pollution on Health
- 23.7.3 Impact of Water Pollution on Health
- 23.7.4 Impact of Air Pollution on Health
- 23.7.5 Impact of Food Security Issues on Health
- 23.7.6 Impact of Indirect Pathways on Health
- 23.7.7 Safe Handling
- 23.8 Challenges
- 23.9 Summary
- 23.10 Acknowledgments
- References
- Chapter 24: Biodiesel: Socioeconomic and Political Aspects [Go to Page]
- 24.1 Introduction
- 24.2 Policy Impetus to Biodiesel Production in Various Countries
- 24.3 The Oil Sector: Its Political Power and Sensitivity [Go to Page]
- 24.3.1 Oil Price Change
- 24.3.2 Oil and Its Impact on Geopolitics
- 24.4 Social and Environmental Aftermath of Biodiesel Production [Go to Page]
- 24.4.1 Land Use Changes
- 24.4.2 Labor Rights
- 24.5 Conclusions
- References
- Index [Go to Page]