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by Hussein Mohamed Nabil Nassar, Nour Shafik El-Gendy
Biodesulfurization in Petroleum Refining
Cover
Title page
Copyright page
Preface
Chapter 1: Background
List of Abbreviations and Nomenclature
1.1 Petroleum
1.2 Petroleum Composition
1.3 Sulfur Compounds
1.4 Sulfur in Petroleum Major Refinery Products
1.5 Sulfur Problem
1.6 Legislative Regulations of Sulfur Levels in Fuels
References
Chapter 2: Desulfurization Technologies
List of Abbreviations and Nomenclature
2.1 Introduction
2.2 Hydrodesulfurization
2.3 Oxidative Desulfurization
2.4 Selective Adsorption
2.5 Biocatalytic Desulfurization
References
Chapter 3: Biodesulfurization of Natural Gas
List of Abbreviations and Nomenclature
3.1 Introduction
3.2 Natural Gas Processing
3.3 Desulfurization Processes
References
Chapter 4: Microbial Denitrogenation of Petroleum and its Fractions
List of Abbreviations and Nomenclature
4.1 Introduction
4.2 Denitrogenation of Petroleum and its Fractions
4.3 Microbial Attack of Nitrogen Polyaromatic Heterocyclic Compounds (NPAHs)
4.4 Enhancing Biodegradation of NPAHs by Magnetic Nanoparticles
4.5 Challenges and Opportunities for BDN in Petroleum Industries
References
Chapter 5: Bioadsorptive Desulfurization of Liquid Fuels
List of Abbreviations and Nomenclature
5.1 Introduction
5.2 ADS by Agroindustrial-Wastes Activated Carbon
5.3 ADS on Modified Activated Carbon
5.4 ADS on Carbon Aerogels
5.5 ADS on Activated Carbon Fibers
5.6 ADS on Natural Clay and Zeolites
5.7 ADS on New Adsorbents Prepared from Different Biowastes
References
Chapter 6: Microbial Attack of Organosulfur Compounds
List of Abbreviations and Nomenclature
6.1 Introduction
6.2 Biodegradation of Sulfur Compounds in the Environment
6.3 Microbial Attack on Non–Heterocyclic Sulfur–Containing Hydrocarbons
6.4 Microbial Attack of Heterocyclic Sulfur – Hydrocarbons
6.5 Recent Elucidated DBT-BDS Pathways
References
Chapter 7: Enzymology and Genetics of Biodesulfurization Process
List of Abbreviations and Nomenclature
7.1 Introduction
7.2 Genetics of PASHs BDS Pathway
7.3 The Desulfurization dsz Genes
7.4 Enzymes Involved in Specific Desulfurization of Thiophenic Compounds
7.5 Repression of dsz Genes
7.6 Recombinant Biocatalysts for BDS
References
Chapter 8: Factors Affecting the Biodesulfurization Process
List of Abbreviations and Nomenclature
8.1 Introduction
8.2 Effect of Incubation Period
8.3 Effect of Temperature and pH
8.4 Effect of Dissolved Oxygen Concentration
8.5 Effect of Agitation Speed
8.6 Effect of Initial Biomass Concentration
8.7 Effect of Biocatalyst Age
8.8 Effect of Mass Transfer
8.9 Effect of Surfactant
8.10 Effect of Initial Sulfur Concentration
8.11 Effect of Type of S-Compounds
8.12 Effect of Organic Solvent and Oil to Water Phase Ratio
8.13 Effect of Medium Composition
8.14 Effect of Growing and Resting Cells
8.15 Inhibitory Effect of Byproducts
8.16 Statistical Optimization
References
Chapter 9: Kinetics of Batch Biodesulfurization Process
List of Abbreviations and Nomenclature
9.1 Introduction
9.2 General Background
9.3 Microbial Growth Kinetics
9.4 Some of the Classical Kinetic Models Applied in BDS-Studies
9.5 Factors Affecting the Rate of Microbial Growth
9.6 Enzyme Kinetics
9.7 Michaelis-Menten Equation
9.8 Kinetics of a Multi-Substrates System
9.9 Traditional 4S-Pathway
9.10 Different Kinetic Studies on the Parameters Affecting the BDS Process
9.11 Evaluation of the Tested Biocatalysts
References
Chapter 10: Enhancement of BDS Efficiency
List of Abbreviations and Nomenclature
10.1 Introduction
10.2 Isolation of Selective Biodesulfurizing Microorganisms with Broad Versatility on Different S-Compounds
10.3 Genetics and its Role in Improvement of BDS Process
10.4 Overcoming the Repression Effects of Byproducts
10.5 Enzymatic Oxidation of Organosulfur Compounds
10.6 Enhancement of Biodesulfurization via Immobilization
10.7 Application of Nano-Technology in BDS Process
10.8 Role of Analytical Techniques in BDS
References
Chapter 11: Biodesulfurization of Real Oil Feed
List of Abbreviations and Nomenclature
11.1 Introduction
11.2 Biodesulfurization of Crude Oil
11.3 Biodesulfurization of Different Oil Distillates
11.4 BDS of Crude Oil and its Distillates by Thermophilic Microorganisms
11.5 Application of Yeast and Fungi in BDS of Real Oil Feed
11.6 Biocatalytic Oxidation
11.7 Anaerobic BDS of Real Oil Feed
11.8 Deep Desulfurization of Fuel Streams by Integrating Microbial with Non-Microbial Methods
11.9 BDS of other Petroleum Products
References
Chapter 12: Challenges and Opportunities
List of Abbreviations and Nomenclature
12.1 Introduction
12.2 New Strains with Broad Versatility
12.3 New Strains with Higher Hydrocarbon Tolerance
12.4 Overcoming the Feedback Inhibition of the End-Products
12.5 Biodesulfurization under Thermophilic Conditions
12.6 Anaerobic Biodesulfurization
12.7 Biocatalytic Oxidation
12.8 Perspectives for Enhancing the Rate of BDS
12.9 Production of Valuable Products
12.10 Storage of Fuel and Sulfur
12.11 Process Engineering Research
12.12 BDS Process of Real Oil Feed
12.13 BDS as a Complementary Technology
12.14 Future Perspectives
12.15 Techno-Economic Studies
12.16 Economic Feasibility
12.17 Fields of Developments
12.18 BDS Now and Then
12.19 Conclusion
References
Glossary
Index
End User License Agreement
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Biodesulfurization in Petroleum Refining
Nour Shafik El-Gendy
Hussein Nabil Nassar
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