Effects of thermal pre-treatment on anaerobic digestion of Nannochloropsis salina biomass for biogas production

.........................................................................................ii ACKNOWLEDGEMENTS......................................................................iv LIST OF TABLES.................................................................................v LIST OF FIGURES................................................................................vi CHAPTER 1: INTRODUCTION................................................................1 CHAPTER 2: BACKGROUD AND LITERATURE REVIEW...........................4 2.1 Microalgae.....................................................................................4 2.1.1 Microalgae Composition..............................................................4 2.1.2 Nannochloropsis.......................................................................4 2.2 Algae for Biofuel Production...............................................................5 2.2.1 Microalgae Biofuels..................................................................5 2.2.2 United States’ Biofuels Statistics...................................................5 2.2.3 Biofuel Comparisons.................................................................6 2.3 Anaerobic Digestion for Renewable Energy.............................................6 2.3.1 Anaerobic Digestion..................................................................6 2.3.2 Anaerobic Digestion Process........................................................7 2.3.2 Anaerobic Digestion of Microalgae-Nannochloropsis salina....................8 2.4.2 Biogas Purification....................................................................9 2.5 Advantages of Microalgae Anaerobic Digestion....................................9 2.6 Challenges with Microalgae Anaerobic Digestion....................................10 2.7 Pre-treatment: Maximizing Anaerobic Digestion Yield.............................11 2.7.1 Pre-treatment of Microalgae for Anaerobic Digestion.........................11

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