BioGas

Biogas is actually a mixture of gases, usually carbon dioxide and methane. It is produced by a few kinds of microorganisms, usually when air or oxygen is absent. This article contains information on how you can build an apparatus using a discarded 18 litre water container as the “digester.”

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By concentrating the engineering and operational experience gained in numerous biogas projects, this handbook is intended to serve project practicians and advisors as a valuable practical guideline with regard to technical, agricultural and socioeconomic aspects.

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This manual has been translated virtually verbatim from the Chinese. It conveys not just the substance but the tone of Chinese technical education for rural areas. A decisive feature of China’s technical education is that it encourages people to assimilate and modulate technology to their own needs - the result is that people develop themselves. One of China’s recent achievements has been the production of biogas from agricultural wastes. This practice is based upon an age-old Chinese tradition of composting human, animal and plant wastes to produce an organic fertilizer of high quality.

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The concept of producing Methane gas by the process of Anaerobic Digestion is not a new one. Methane was produced by this process as early as 1870. Learn about the construction of the basic Aneorobic Digester and more here.

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This is a practical book on how to design and build your own displacement-type methane-generating plant, complete with charts, diagrams and photos.

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A manometer is a tool used to measure the pressure inside the biogas pit; it is simple in construction and easy to make. Learn more here.

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Here, gathered in one place, is a great deal of information on biogas: what it is, where it comes from, and how to make and use it. There are only a few designs for biogas generators given in detail Nevertheless, there is a sufficient variety and depth of information given so that you will be able to intelligently choose between designs or design your own generator if you wish. Several ideas are presented for generators which have never been constructed.

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This publication is one of a series issued by VITA to document the activities of its worldwide Renewable Energy Program. This study is an assessment of the "appropriateness" of biogas technology in meeting some of the needs of India's rural population.

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The subject of this book is one approach to building and operating biogas systems, not biogas digesters. Biogas systems include raw material preparation, digesters, separate gas storage tanks, use of the gas to run engines, and the use of the sludge as fertilizer.

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