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Contents List of contributors xv About the editors xix 1. Climate change and the energy sector 1 Ashok K. Das and Ayushi Sharma 1.1 Introduction 1 1.2 Human contribution to climate change 2 1.3 Alternatives 4 References 6 2. Comparative investigation of the suitability of fuel properties of oxygenated biofuels in internal combustion engines 7 M.A. Mujtaba, Md. Abul Kalam, H.H. Masjuki, M. Gul, Waqar Ahmed, Manzoore Elahi M. Soudagar and Luqman Razzaq 2.1 Introduction 7 2.2 Effect of diesel engine emissions on the environment and human health 9 2.3 Types of oxygenated additives for diesel engines 9 2.4 The effect of oxygenated additives on diesel engine characteristics 11 2.4.1 Physicochemical properties of different edible and nonedible oxygenated vegetable oil biodiesels 17 2.5 Kinematic viscosity 17 2.6 Density 17 2.6.1 Calorific value 18 2.6.2 Cetane number 18 2.6.3 Cold flow characteristics 18 2.6.4 Oxidation stability 19 2.6.5 The effect of biodiesel on diesel engine characteristics 19 2.7 Summary 20 References 20 3. Recent advances in technological developments to produce oxygenated biocrudes via hydrothermal liquefaction followed by their catalytic upgradation 27 Priyanka Tirumareddy, Venu Babu Borugadda and Ajay K Dalai 3.1 Introduction 27 3.2 Composition of lignocellulosic feedstock 30 v 3.2.1 Types of pyrolysis and suitable approaches for bio-oil production from biomass 31 3.2.2 Impact of the hydrothermal liquefaction process parameters to maximize biocrude yield 32 3.2.3 Physicochemical characterization of the hydrothermal liquefaction biocrude 35 3.3 Biocrude improvement techniques 36 3.3.1 Solvent addition 36 3.3.2 Emulsification 37 3.3.3 Esterification 38 3.3.4 Hydrotreating 40 3.3.5 Cracking 41 3.3.6 Steam reforming 42 3.3.7 Supercritical fluid treatment 42 3.4 Hydrodeoxygenation: biocrude composition and reaction pathways 43 3.5 Stability of oxygen-containing compounds in biocrude 44 3.6 Mechanism of hydrodeoxygenation reactions 45 3.7 Different catalysts involved in the catalytic hydrodeoxygenation process 46 3.7.1 Metal sulfide/oxide catalysts for hydrodeoxygenation of biocrudes 47 3.7.2 Phosphide catalysts for hydrodeoxygenation of biocrudes 49 3.7.3 Carbide and nitride catalysts for hydrodeoxygenation of biocrudes 50 3.7.4 Noble metal catalysts for hydrodeoxygenation of biocrudes 51 3.7.5 Different catalyst supports for making hydrodeoxygenation catalysts 52 3.7.6 Various promoters used for making hydrodeoxygenation catalysts 53 3.8 Critical discussion 54 3.9 Conclusions 55 References 55 4. Methanol reformation-based strategies for using methanol as an internal combustion engine fuel: a brief overview 61 Alankrit Srivastava, Parmod Kumar and Atul Dhar Abbreviations 61 4.1 Introduction 61 4.1.1 Hydrogen energy and its application in internal combustion engines 62 4.1.2 The problem for hydrogen storage 64 4.2 Searching for viable options for onboard hydrogen generation: methanol as a hydrogen carrier 65 4.3 Thermochemical recuperation: waste heat recovery and onboard hydrogen generation 66 4.4 Fundamentals of methanol reforming 67 4.4.1 Why methanol over other fuels for reforming reaction? 68 vi Contents 4.4.2 Methanol-reforming reaction processes 68 4.4.3 Methanol steam reforming and its major reactions 70 4.5 Catalyst selection 71 4.6 Various methanol-reforming concepts adopted in internal combustion engines 71 4.7 Conclusions 77 References 77 5. Comparison of different feedstocks for biodiesel production 81 Shailendra K. Shukla and Shivani Verma Abbreviation 81 5.1 Introduction 81 5.2 Methodology 82 5.2.1 Assumptions 82 5.2.2 Reaction specifications and parameters 83 5.2.3 Physical properties of raw material and produced biodiesel 83 5.3 Calculations and parameters considered for study 83 5.3.1 Cost of biodiesel using sunflower oil 83 5.3.2 Cost of biodiesel using cottonseed oil 86 5.3.3 Cost of biodiesel using waste cooking oil 88 5.4 Result and discussion 90 5.4.1 Effect of cost of raw material on the economy 90 5.4.2 Effect of process integration 92 5.4.3 Effect of production capacity 93 5.4.4 Effect of reaction conditions 93 5.5 Conclusion 93 References 94 6. The latest advancements in technology to utilize oxygenated biofuels in diesel engines 97 Akshay Jain, Bhaskor Jyoti Bora, Rakesh Kumar and Sukanta Roy Nomenclatures and abbreviations 97 6.1 Introduction 98 6.2 Materials and methods: production of additives blend with diesel/biodiesel 100 6.3 Engine performance studies 102 6.4 Combustion studies 107 6.5 Emission studies 108 6.6 Conclusion 112 6.7 Future scope 112 References 113 viiContents 7. Sustainable bioconversion of lignocellulosics to biodiesel: pretreatment, fermentation, and technoeconomic analysis 115 Swapnil Gurrani, Nidhee Chaudhary, Christine Jeyaseelan and Debarati Paul 7.1 Introduction 115 7.2 Lignocellulosic biomass 117 7.2.1 Sources of lignocellulosic biomass as alternatives for carbon 117 7.2.2 Composition of lignocellulosic biomass 117 7.2.3 Pretreatment methods of lignocellulosic biomass 119 7.2.4 Factors affecting enzymatic hydrolysis 122 7.2.5 Chemicals and other high-value bioproducts 123 7.2.6 Methods for conversion of lignocellulose into monosaccharides 124 7.3 Biodiesel 125 7.3.1 Performance of biodiesel fuels in a diesel engine 126 7.3.2 In situ or direct transesterification 128 7.3.3 Catalysts used for conversion of microbial lipid into biodiesel 129 7.3.4 Improvised techniques for reducing pollution using biodiesel 131 7.3.5 Types of biodiesel additives 132 7.4 Conclusion 134 References 134 8. Methodologies for modification of characteristics of biodiesel for wider acceptability as diesel engine fuel 139 Vishal Saxena, Niraj Kumar and Vinod Kumar Saxena 8.1 Introduction 139 8.2 Biodiesel 140 8.3 Inferior oxidative stability 141 8.3.1 Blending of biodiesel 142 8.3.2 Use of antioxidants in biodiesel 142 8.3.3 Effect on diesel engine 143 8.4 Poor cold flow properties 144 8.4.1 Winterization 144 8.4.2 Using additives 145 8.4.3 Blending with conventional diesel 145 8.4.4 Emulsification of biodiesel with ethanol 146 8.4.5 Addition of branched-chain fatty acid alkyl esters 146 8.4.6 Blending of biodiesel 147 8.4.7 Effect on diesel engine 147 8.5 High viscosity 148 8.5.1 Effect on diesel engine 148 viii Contents 8.6 Lower volatility 149 8.6.1 Effect on diesel engine 150 8.7 Unsaturated fatty acid esters 150 8.7.1 Effect on diesel engine 151 8.8 Water absorbency 152 8.8.1 Effect on diesel engine 153 8.9 Lower heat of combustion 153 8.9.1 Effect on diesel engine 153 8.10 High NOx emission 154 8.10.1 Exhaust gas recirculation 154 8.10.2 Selective catalytic reduction 154 8.10.3 Effect on diesel engine 155 8.11 Conclusion 155 References 156 Further reading 160 9. Biofuel production via phyto and microbial power systems: adaptation of ecotechnology as a step toward sustainable energy 161 Susmita Shukla, Umme Aiba, Ritambhara Bhutani, Shiv Kant Shukla and Anagbogu Florence Chinyere 9.1 Introduction 161 9.2 Renewable energy sources 162 9.3 Biofuels and amelioration 164 9.3.1 Enzyme-based biofuel cells 166 9.3.2 Microbial electrochemical system 167 9.4 Maximizing socioeconomic scope in developing countries 175 9.5 Perspectives and conclusion 176 References 177 10. Challenges to the sustainable development of vehicle transport 183 Fariba Goodarzian, Peiman Ghasemi, Jesús Muñuzuri and Ajith Abraham 10.1 Introduction 183 10.2 The goals of sustainable development 184 10.3 The perspective of the essential and long-term sustainable planning 186 10.4 The role of behavior in transportation 187 10.5 External effects and motivations in using personal vehicles 188 10.6 Transportation and sustainable development 189 10.7 Ways to increase the sustainability of the transportation system in cities 190 10.7.1 Urban transportation 190 ixContents 10.7.2 Rational management of public transportin the city 193 10.7.3 Increasing sustainability in urban freight transport 194 10.8 Conclusion 195 References 196 11. Production, performance, and emission analysis of new generation biodiesel in an unmodified engine 199 Akshay Jain, Bhaskor Jyoti Bora and Rakesh Kumar Abbreviations 199 11.1 Introduction 200 11.1.1 New-generation feedstock for biodiesel production 200 11.1.2 Government policies on usage of biofuel implementation in India 200 11.2 Biodiesel production: materials and methods 200 11.2.1 Biodiesel production from microalgae (Chorella vulgaris) 200 11.2.2 Biodiesel production from cyanobacteria (Spirulina platensis) 201 11.2.3 Biodiesel production from water hyacinth 201 11.2.4 Biodiesel production from waste cooking oil 202 11.2.5 Biodiesel production from waste plastic oil 202 11.3 Prime mover’s specifications 203 11.4 Engine performance studies 203 11.4.1 Brake thermal efficiency 203 11.4.2 Brake-specific fuel consumption 205 11.4.3 Brake-specific energy consumption 208 11.4.4 Exhaust gas temperature 208 11.5 Combustion studies 209 11.5.1 Heat release rate 209 11.5.2 Ignition delay 211 11.5.3 Peak cylinder pressure and crank angle diagram 212 11.5.4 Peak cylinder pressure 213 11.6 Emission studies 213 11.6.1 Nitrogen oxide emission 213 11.6.2 Unburned hydrocarbon emission 214 11.6.3 Carbon monoxide emission 215 11.6.4 Carbon dioxide emission 217 11.6.5 Smoke, soot, the particulate matter emission 217 11.7 Conclusion 219 11.8 Future scope 219 References 220 x Contents 12. Unregulated emissions from oxygenated fuels 221 Paramvir Singh, Saurabh Sharma, Vamsi Krishna Undavalli, Bhupendra Khandelwal and Sudarshan Kumar 12.1 Introduction 221 12.2 Aldehyde emissions 222 12.3 Aromatic hydrocarbon emissions 230 12.3.1 Monocyclic aromatic hydrocarbons 230 12.3.2 Polycyclic aromatic hydrocarbons 231 12.4 1,3-Butadiene emissions 234 12.5 Conclusions 235 References 236 13. Performance and emission analysis of oxygenated fuel additives: a review 241 Rajesh Kumar Saluja, Vineet Kumar, Radhey Sham, Rajneesh Kaushal and Freddie Inambao 13.1 Introduction 241 13.2 Oxygenated fuel additives 243 13.3 Various oxygenated fuel additives and their properties 244 13.3.1 Methanol 244 13.3.2 Ethanol 245 13.3.3 N-butanol 246 13.3.4 Dimethyl ether 246 13.3.5 Diethyl ether 247 13.3.6 Methyl tert-butyl ether 248 13.3.7 Ethyl tert-butyl ether 248 13.4 Effect of oxygenated fuel additives on performance characteristics 250 13.5 Effect of oxygenated fuel additives on emission characteristics 251 13.6 Conclusions 255 References 258 14. Combustion, performance, and emissions characteristics of methanol-fueled engines 263 Saket Sahu, Parmod Kumar and Atul Dhar 14.1 Introduction 263 14.2 Properties of methanol as an internal combustion engine fuel 266 14.2.1 Challenges associated with methanol as an internal combustion engine fuel 267 14.3 Engine characteristics of methanol-fueled engines 268 14.3.1 Combustion characteristics 269 xiContents 14.3.2 Performance characteristics 273 14.3.3 Emissions characteristics 277 14.4 Conclusions 280 References 280 15. Utilization of ketone-based oxygenated fuels in internal combustion engines 285 Soo-Young No 15.1 Introduction 285 15.2 Acetone 287 15.2.1 Acetone in spark-ignition engines 287 15.2.2 Acetone in compression-ignition engines 289 15.2.3 Acetone in homogenous-charge compression-ignition engines 291 15.3 Butanone 291 15.3.1 Butanone in spark-ignition engines 291 15.3.2 Butanone in compression-ignition engines 292 15.4 Pentanone 292 15.4.1 Pentanone in spark-ignition engines 293 15.5 Cyclopentanone 293 15.5.1 Cyclopentanone in spark-ignition engines 293 15.5.2 Cyclopentanone in homogenous-charge compression-ignition engines 294 15.6 Cyclohexanone 294 15.6.1 Cyclohexanone in compression-ignition engines 295 15.7 Conclusion 296 References 296 16. Evaluation of challenges for the sustainable oxygenated fuel industry in India 301 Arshia Kaul and Vernika Agarwal 16.1 Introduction 301 16.2 Research methodology: grey DEMATEL 302 16.3 Numerical illustration 304 16.3.1 Data analysis 304 16.3.2 Managerial and technical challenges 305 16.3.3 Results and discussion 310 16.4 Conclusion 311 References 312 Further reading 312 17. Sustainable development in oxygenated fuels 315 Yousef Darvishi, Hamed Karami and Fariba Goodarzian 17.1 The concept of sustainable development 315 xii Contents 17.2 Sustainable development and the environment 318 17.3 Energy and sustainable development 322 17.3.1 Energy sources and environmental impact 323 17.3.2 Bioenergy 324 17.4 Sustainable development and oxygenated fuels 325 17.4.1 How oxygenated fuel will affect vehicle performance 325 17.4.2 Oxygenated fuels in spark-ignition engines: environmental performance 326 17.5 Sustainable development in the production of oxygenated fuel 327 17.5.1 Sustainable development and impact of oxygenated fuel on the environment 328 17.5.2 Agriculture and oxygenated fuel 328 17.5.3 Emissions from combustion 329 17.5.4 Effect of oxygenated fuels on engine emissions 329 References 330 18. Performance analysis of domestic energy usage of European cities from the perspective of externalities with a combined approach based on type 2 neutrosophic fuzzy sets 331 Ömer Faruk Görçün and Hande Küçükönder 18.1 Introduction 331 18.2 Research methodology 334 18.2.1 The proposed combined approach based on T2NN 337 18.3 A Numerical Illustration 340 18.3.1 Phase 1: Preparation process 340 18.3.2 Phase 2: Implementation of the proposed T2NN model to evaluate the domestic energy usage and externalities performance of EU cities 341 18.3.3 Phase 3: Validation test for the proposed model 350 18.4 Results and discussion 355 18.5 Conclusion and recommendations for future work 356 References 357 19. Formation of polycyclic aromatic hydrocarbons during combustion of oxygenated fuels: an overview 363 Pavan Prakash Duvvuri 19.1 Introduction 363 19.2 First aromatic ring formation 364 19.3 Higher aromatics formation 366 19.4 Polycyclic aromatic hydrocarbon formation of oxygenated fuels 367 19.4.1 Structure of the carbon chain 368 xiiiContents 19.4.2 Effect of some oxygenated functional groups 369 19.4.3 Intermediate resonance-stabilized radical precursors 371 19.4.4 Polycyclic aromatic hydrocarbon growth 372 19.5 Summary and future directions 373 References 374 Index 379 xiv Contents Contents