A Chinese Biogas Manual translated by Michael Crook edited by Ariane van Buren. This book contains the ways that the Chinese perfected the process of making methane from organic material. The manual shows you how to make a biogas production unit for continuous production of free methane from the digesting organic material(manure, plant waste etc). This is a very low maintenance system and the Chinese had over 6 million bio digesters of this model working in the late 70s/early 80s. This is one beautiful system that you can build in your own backyard. The book clearly explains the theory and practice of production and use for cooking, lighting, and electricity production of biogas in a low tech way. Chapters are; The advantages of biogas for rural areas Basic information about biogas Basic principles for the construction of a biogas pit Different designs of biogas pits Maintenance and quality appraisal of biogas Scientific management of a biogas pit Uses of biogas Safety measures in building biogas pits and using biogas

Paperback, 135 pages, 140mm x 215mm, b&w photos and drawings, brand new. Check out my other listings for more books Im happy to combine postage where possible. Pickup is at Seddon.