Lecture 9.  Methanogenesis (applications)

1.  Objective 

The objective is to introduce the process of anaerobic digestion and present a variety of applications.

2. Introduction

2.1. General Scheme of Anaerobic Digestion

2.2. Operating and Performance Parameters

2.3. Advantages of Anaerobic Digestion (1)

2.4. Advantages of Anaerobic Digestion (2)

2.5. Disadvantages of Anaerobic Digestion

3. Feed Biodegradability

3.1. Biochemical Methane Potential (BMP) Apparatus

3.2. BMP Data for Different Feedstocks

3.3. Variable BMP in the Several Sorghum Varieties

3.4. Properties of Ideal Feedstock

4. Anaerobic Digestion of Different Feedstocks

4.1. Reactor Designs for Different Feedstocks

4.2. Conventional CSTR

4.3. Low Solids Feeds

4.4. Medium Solids Feedstocks

4.5. High Solids Feedstocks

5. Operation and Performance

5.1. Operating Parameters

5.2. Performance Parameters

5.3. Performance Data

5.4. Operation and Performance Terms

6. Anaerobic Digestion of Energy Crops

6.1. Herbaceous (sorghum)

6.2. Wood (poplar)

6.3. Marine (kelp)

6.4. Land Requirements for Terrestrial Energy Crops

6.5. Potential Energy From Biomass Types

6.6. Effect of Carbon Tax on Energy Prices

6.7. Low-Tech Digestors