Tayler, Kevin.

Faecal Sludge and Septage Treatment : a guide for low and middle income countries/ Kevin Tayler, - xviii ,349 pages : illustrations ; 24 cm

Machine generated contents note: 1.Introduction to faecal sludge and septage treatment
The challenge of urban sanitation
The purpose and intended readership of this book
Definitions and meanings
The need for treatment
The sanitation service chain
The objectives of faecal sludge and septage treatment
Key indicators and measures
How this book relates to other publications
Structure of book and brief description of contents
References
2.Faecal sludge and septage treatment in context
Introduction
the sanitation service chain
Options for faecal sludge and septage disposal
Private and public needs and the importance of demand
Legislation
Institutional structures, systems and capacities
Financial considerations
Other external factors that influence treatment choices
Potential changes in faecal sludge and septage management
Key points from this chapter
3.Planning for improved treatment
Contents note continued: Overview of treatment plant planning and design process
Preliminary assessment
Develop consensus on the need for faecal sludge and septage treatment
Determining the planning area, the plant service area, and location
Load assessment
Assessment of hydraulic loading
Technology choices
4.Introduction to treatment processes and technologies
Treatment objectives
Dealing with high strength, partly stabilized faecal sludge and septage
Treatment units and their functions
Co-treatment with wastewater
Choosing appropriate treatment processes and technologies
5.Planning and design for effective operation
Assessment of operational experience
Options for matching operational capacity to load
The influence of resource availability on technology choice
Process design for effective operation
Contents note continued: Management structures and systems for effective operation
Designing with operators in mind
Actions to ensure accurate, good quality construction
Options for developing staff capacity and facilitating good operational practice
6.Faecal sludge and septage reception and preliminary treatment
Faecal sludge and septage reception
Screening
Grit removal
FOG removal
Stabilization
7.Solids-liquid separation
Sludge drying beds
Anaerobic ponds
Settling thickening tanks and solids separation chambers
Gravity thickeners
Decanting drying beds
Mechanical presses
8.Liquid treatment
Anaerobic treatment options
Aerobic and facultative biological treatment options
Pathogen reduction
Contents note continued: Co-treatment of faecal sludge and septage with municipal wastewater
9.Solids dewatering
Unplanted drying beds
Planted drying beds
Geobags as an aid to sludge dewatering
10.Additional solids treatment for safe disposal or end use
Preconditions and requirements for solids end use
Options for reducing pathogen concentrations
Drying options
Pyrolysis
Black soldier fly treatment
References.

9781853399879 (paperback)


Sewage sludge--Management. --Developing countries
Sanitation--Developing countries.
Sewage sludge--Management.
Developing countries.
Sanitation.

628.364 TAY / 012769
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