This book summarizes the scientific, technical, and commercial information developed during WW II when Sweden, cut off from fossil fuels, converted 40% of its entire motor vehicle fleet to burning wood. Again we face a period when fossil liquid fuels are increasingly scarce and expensive and when...
This publication discusses the background and history of digesters, the biology of digestion, raw materials, the gas, digesters, using gas, using sludge, and building a sump digester, and building an inner tube digester.
Describes the physical and chemical processes leading to the production of biogases and describes procedures for constructing a digester to convert sewage and organic wastes to methane for use on farms and in homes
ECHOcommunity.org is the online collaborative membership community of ECHO, an international nonprofit organization. ECHO exists to reduce hunger and improve lives through agricultural training and resources. Working through regional impact centers around the world ECHO connects small-scale farmers, and those working to eliminate world hunger, with essential resources, and each other. These resources include a vast knowledgebase of practical information, experienced technical support and an extensive seed bank focused on highly beneficial underutilized plants.
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