2.1 Digestion Technologies and Types

2.2 General Classifications

2.3 Overview of different digesters

2.3.1 Fixed Dome Digester

2.3.2 Floating Dome Digester

2.3.3 Balloon-Type Digester

2.4 Overview of different types of biogas sanitation units

2.4.1 Anaerobic baffled reactor with biogas capture

2.4.2 Anaerobic Lagoon

3.1 The Process Parameters

3.2 Temperature

3.3 Feedstock C:N ratio

3.4 TS and VS, COD and BOD

3.4.1 Total and Volatile Solids

3.4.2 Chemical Oxygen Demand (COD) & Biochemical Oxygen Demand (BOD)

3.4.3 pH

3.4.4 Organic loading rate

3.4.5 Hydraulic and solid retention time

3.5 What is biological methane potential, and why is it important?

3.6 What is the difference between biomethane potential, methane yield, and methane production?

3.7 What is the biogas potential of various substrates?

3.8 How to measure or estimate the biogas or biomethane potential?

4.1 Social acceptance

4.2 Feedstock availability

4.3 Feedstock quality

4.4 Biogas Plant Design: An Exercise

4.4.1 Potential Biogas Generation, Utilisation and treatment

4.4.2 Sizing of the digester

4.4.3 Sizing of gasholder

4.4.4 Planning Effluent Management

4.4.5 What is to be done if there is no available space for post-treatment?

4.4.6 Planning Sludge Management

5.1 Initial Testing

5.2 Startup

5.3 O&M Tasks

5.4 Safety

6.1 Biogas Generation

6.1.1 Biogas Potential

6.2 Use of Biogas

6.3 Treatment Performance

6.4 Identified Challanges and Possible Solutions

6.4.1 Clogging

6.4.2 Accumulation of Condensed Water Within the Gas Pipes

6.4.3 Hydrogen Sulphide

6.4.4 Gas Leakages

6.4.5 Effluent Management