5 Vermicomposting - Humanitarian Sanitation Hub

Sludge and Biosolid Management

Sludge and Biosolid Management: Course at a Glance
1 Introduction
3 Topics | 2 Quizzes
1.1 What is the difference between sludge and biosolids?
Quiz
1.2 Why is an appropriate management system essential?
Quiz
1.3 Decision Framework for Sludge Management
2 Pre-treatment and Treatment Options for Sludge
4 Topics | 4 Quizzes
2.1 Sludge Thickening
Quiz
2.2 Stabilisation
Quiz
2.3 Conditioning
Quiz
2.4 Dewatering
Quiz
3 Aerobic Digestion
11 Topics | 3 Quizzes
3.1 What is aerobic digestion and how does it work?
3.2 What types of aerobic digestion methods exist?
Quiz
3.3 What are the essential processing parameters?
Quiz
3.4 Aerobic digestion and pathogen reduction
3.5 How to design the aerobic digester
3.5.1 Designing an Aerobic Digester Tank: An Exercise
3.6 What are the output characteristics after aerobic digestion?
3.7 Costs
3.8 Benefits and Limitations
Quiz
3.9 Applicability in Emergency Settings
3.10 Example from Cox’s Bazar, Bangladesh
4 (Co-) Composting
11 Topics | 4 Quizzes
4.1 What is (co-) composting and how does it work?
Quiz
4.2 What types of composting methods exist?
Quiz
4.3 What are the processing requirements?
Quiz
4.4 Compost and Pathogen Reduction
4.5 How to determine the composting processing parameters
4.6 How to determine the area requirement for the compost
4.7 What are the characteristics of FS-based compost?
Quiz
4.8 Costs
4.9 Benefits and Limitations
4.10 Applicability in Emergency Settings
4.11 Example from Kushtia, Bangladesh
5 Vermicomposting
11 Topics | 2 Quizzes
5.1 What is vermicomposting, and vermifiltration and how does it work?
Quiz
5.2 What worm species can be considered for vermicomposting?
5.3 What are the process requirements?
Quiz
5.4 Vermicompost and pathogen reduction
5.5 How to design the vermicomposting process
5.6 How to determine the area requirements for the vermicomposting process
5.7 What are the characteristics of FS-based vermicompost and how does it compare to compost?
5.8 Benefits and Limitations
5.9 Costs
5.10 Applicability in Emergency Settings
5.11 Examples from India and Bangladesh
6 Black Soldier Fly Larvae Treatment
8 Topics | 2 Quizzes
6.1 What is black soldier fly larvae treatment, and how does it work?
Quiz
6.2 What are the process requirements?
Quiz
6.3 How to design the BSFL process
6.4 What are the residue characteristics of FS treated by BSFL?
6.5 Benefits and Limitations
6.6 Cost
6.7 Applicability in Emergency Settings
6.8 Example from Nairobi, Kenya
7 Reuse of Sludge
6 Topics | 3 Quizzes
7.1 What does the reuse of biosolids imply and why should we aim for it?
Quiz
7.2 What are the preconditions and requirements for the safe reuse of sludge for agricultural purposes?
Quiz
7.3 What is the application rate for biosolids?
7.4 How to properly apply biosolids?
Quiz
7.5 What are possible access restrictions for areas in which biosolids are applied?
7.6 What are the possible adverse effects caused by land application of biosolids?
8 Burial or Disposal of Sludge
10 Topics | 4 Quizzes
8.1 What does the burial of sludge imply?
8.2 How suitable is sludge burial in emergency settings?
8.3 What are the conditions and requirements to safely bury sludge?
Quiz
8.4 Methods for Sludge Burial: Disposal Pit and Deep-Row Entrenchment
8.4.1 Disposal Pit
8.4.2 Deep Row Entrenchment
Quiz
8.5 What are the monitoring and operations requirements?
Quiz
8.6 What happens to a burial site once it is filled?
8.7 What are the environmental risks and mitigation measures?
Quiz
8.8 What are the advantages and disadvantages of sludge burial?
9 Burning of Sludge
13 Topics | 4 Quizzes
9.1 What does the burning of sludge imply?
9.2 How suitable is sludge burning for emergency settings?
9.3 What are the preconditions and requirements for burning of sludge?
Quiz
9.4 What different burning methods exist?
9.5 What is important to know about incineration?
Quiz
9.6 What is important to know about pyrolysis?
9.7 What is important to know about gasification?
Quiz
9.8 What are design and implementation considerations?
9.9 Incinerator
9.10 Pyrolysis Unit
9.11 Gasifier
9.12 What are the characteristics and application potential of the products from sludge burning?
Quiz
9.13 What are the potential advantages and constraints of sludge burning?
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5 Vermicomposting

Sludge and Biosolid Management 5 Vermicomposting

In this lesson, you will:

  • Learn the main difference between vermicomposting and vermifiltration
  • Understand the process requirements, and how you design/verify the vermicompost process
  • Understand what the compost characteristics are
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