Biology 1B - Lecture 13: Water Relations

General Biology
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National bio gas program (Punjab) Pakistan Program organizer: ch saeed tamanai 03007669599 e-mail;nationalbiogas@gmail.com INTRODUCTION OF BIO GAS AND OUR PLANT Biogas originates from bacteria in the process of bio-degradation of organic material under anaerobic (without air) conditions. In the absence of oxygen, anaerobic bacteria decompose organic matter and produce a gas mainly composed of methane (60%) and carbon dioxide called biogas. This gas can be compared to natural gas which is more than 80% methane. National bio gas program offer fix dom (6 m3 to 18 m3 ) small and medium bio gas plants is generally used for cooking and lighting purposes. Large units (25 m3 ,35 m3 , 50 m3, 70m3,100m3,200m3 )or more mega units produce this gas in large quantities and can be used for hotels, bakers, peter engines (tube wells) and generators for power generation. National bio gas program's plants convert livestock manure into biogas and slurry (the fermented manure). This technology is feasible for small holders with livestock producing minimum 25 kg manure per day. This manure has to be collectable to mix it with water and feed it into the plant. Toilets can be connected. Another precondition is the temperature that affects the fermentation process. With an optimum at 36 C° the technology especially applies for those living in a (sub) tropical climate. This makes the technology for small holders in developing countries often suitable. Our high quality biogas plant needs minimum ...
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