Small-Scale Rural Biogas Programmes
A Handbook

Paper: 978 1 85339 850 6 / $39.95
Published: February 2015  

Cloth: 978 1 85339 849 0 / $79.95
Published: December 2016  

Publisher: Practical Action
256 pp., 6 1/4" x 9 1/4"
Renewable energy is becoming crucially important as concern over burning fossil fuels is increasing and the price of oil continues to rise. Biogas technology has undergone great developments since the first designs in the 1970s. Large national projects are working very effectively in countries such as Nepal, India and China, where hundreds of thousands of biogas plants have been installed; Europe has a fast-growing interest in biogas technology.

Small-scale Rural Biogas Programmes focuses on biogas extension programs in these countries and demonstrates the applicability of the technology elsewhere. It provides a comprehensive overview of the existing knowledge covering: the history of biogas programs, the technology behind them, the value of biogas effluent as compost, details of the main domestic biogas plant designs, how biogas extension programs work, and how they could be replicated. It includes detailed diagrams and appendices on the design of biogas plants. The book arose out of the assessments Fulford undertook for Ashden, a charity that focuses on sustainable energy and development including biogas projects across many countries including South India, Rwanda and Ghana.

This is an essential book for those running, or training others to run, biogas plants, as well as students of renewable energy and engineering.

Table of Contents:
1 Overview of Biogas Extension
2 Biogas History in Developing Countries
3 Aspects of a Biogas Programme
4 How Biogas works
5 Biogas Effluent as Compost
6 Main Domestic Biogas Plant Designs
7 Plastic Biogas Plant Designs
8 Ancillary Equipment
9 Using Biogas Plants
10 Essentials aspects of a biogas programme
11 Running a biogas programme
Appendix I Chemistry of Simple Digestion
Appendix II Biogas design details
Appendix III Building masonry plants

Reviews & Endorsements:
"This book provides an excellent practical overview of biogas extension programmes, discussing challenges faced in different parts of the world, and the initiation and management of implementation programmes. It provides a clear overview of how anaerobic digestion actually works, focusing on design aspects that will help the reader to select a digester design, set it up and keep it going. It deals with the equipment needed to use the gas, and the important issue of how to use the valuable bioslurry residue produced by the digestion process. The book is thorough and well written from a practical perspective. I highly recommend it to anyone interested in practical implementation of small-scale digesters in rural areas."
- Jo Smith, Professor of Soil Organic Matter and Nutrient Modelling , University of Aberdeen
"David Fulford's extensive knowledge of biogas through decades of work in the UK and particularly overseas has been brought into this excellent and timely book which is concerned with technical aspects of biogas use in rural communities."
- Maria M. Vahdati, Lecturer, Renewable Energy , University of Reading
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