3.1 The Process Parameters - Humanitarian Sanitation Hub

Biogas Sanitation

Biogas Sanitation: Course at a Glance
1 Basics of Anaerobic Digestion
14 Topics | 8 Quizzes
1.1 What is anaerobic digestion?
Quiz
1.2 What is biogas?
Quiz
1.3 Methane and Contribution to global warming
Quiz 1
Quiz 2
1.4 Feedstock Materials and Biogas Production
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1.4.1 Biodegradability of various feedstock
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1.5 Process of anaerobic digestion
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1.6 What are the benefits and limitations of anaerobic digestion?
Quiz
1.7 What are the possible applications for biogas?
1.7.1 Cooking
1.7.2 Lighting
1.7.3 Electricity Generation
1.7.4 Cooling
1.7.5 Biomethane Fuel
1.7.6 Thermal Application
2 Digestion Technologies and Types
9 Topics | 8 Quizzes
2.1 Digestion Technologies and Types
2.2 General Classifications
Quiz
2.3 Overview of different digesters
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2.3.1 Fixed Dome Digester
Quiz
2.3.2 Floating Dome Digester
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2.3.3 Balloon-Type Digester
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2.4 Overview of different types of biogas sanitation units
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2.4.1 Anaerobic baffled reactor with biogas capture
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2.4.2 Anaerobic Lagoon
Quiz
3 Process Parameters
13 Topics | 12 Quizzes
3.1 The Process Parameters
3.2 Temperature
Quiz
3.3 Feedstock C:N ratio
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3.4 TS and VS, COD and BOD
3.4.1 Total and Volatile Solids
Quiz
3.4.2 Chemical Oxygen Demand (COD) & Biochemical Oxygen Demand (BOD)
Quiz
3.4.3 pH
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3.4.4 Organic loading rate
Quiz
3.4.5 Hydraulic and solid retention time
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3.5 What is biological methane potential, and why is it important?
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3.6 What is the difference between biomethane potential, methane yield, and methane production?
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3.7 What is the biogas potential of various substrates?
3.8 How to measure or estimate the biogas or biomethane potential?
Quiz 1.1
Quiz 1.2
Quiz 2
4 Biogas Installation Planning
10 Topics | 2 Quizzes
4.1 Social acceptance
4.2 Feedstock availability
Quiz
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
Quiz
5 Operation and Maintenance
4 Topics | 2 Quizzes
5.1 Initial Testing
5.2 Startup
5.3 O&M Tasks
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5.4 Safety
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6 Sanitation Biogas Plants in Rohingya Refugee Camp
10 Topics | 9 Quizzes
6.1 Biogas Generation
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6.1.1 Biogas Potential
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6.2 Use of Biogas
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6.3 Treatment Performance
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6.4 Identified Challanges and Possible Solutions
6.4.1 Clogging
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6.4.2 Accumulation of Condensed Water Within the Gas Pipes
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6.4.3 Hydrogen Sulphide
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6.4.4 Gas Leakages
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6.4.5 Effluent Management
Quiz
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3.1 The Process Parameters

Biogas Sanitation 3 Process Parameters 3.1 The Process Parameters

To ensure optimal biogas production from human waste, several parameters and their impact on the anaerobic digestion process should be understood and will be briefly introduced in the following chapter:

  • Temperature
  • C:N Ratio
  • Total Solids (TS)
  • Volatile Solids (VS)
  • Chemical Oxygen Demand (COD)
  • Biochemical Oxygen Demand (BOD)
  • pH
  • Organic Loading Rate (OLR)
  • Hydraulic Retention Time (HRT)
  • Solid Retention Time (SRT)
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