Make your own cheap energy with a DIY mini biogas plant

In this video I show you how to build your own mini biogas plant. All simple steps from methane generation from food waste over gas cleaning to gas storage are described in detail. If you want to support me you get access to exclusive content:   / stirlingengines      / @myengines2443   Thanks to Baptiste (alias OfficialyMax) we now have a Discord server:   / discord   It would be very nice if we could discuss there everything about Stirling engines, 3D printing and more, thank you very much Baptiste. My small biogas plant produces around 200 litres of methane each day using just a few kitchen scraps and some green waste. It is made from cheap plumbing parts, and I can generate my own energy continuously and safely without much effort. Any design is conceivable, from a simple experiment using a plastic bottle to a cubic metre-sized system for supplying an entire household. With my self-built Stirling combined heat and power plants and an enlarged fermentation tank, I want to support our solar system during periods of low sunshine and become independent of energy suppliers. In the fermentation tank, the daily substrate supply is broken down by bacteria mainly into methane (CH₄), carbon dioxide (CO₂) and a fertile fermentation residue.I purify the biogas in several simple steps and then collect it in a suitable container.Methane is flammable, explosive and a harmful greenhouse gas, so it must be handled with great care. Biogas is produced through anaerobic digestion, which is the process by which bacteria break down organic materials in the absence of oxygen within a fermentation tank.The entire process requires a constant temperature of 30–40 degrees celsius and a neutral pH value of around 6.5 to 7.5. The heart of the system consists of a container for the fermentation mass with connections for the substrate supply, the gas outlet and the fermentation residue drain.For the starter mixture, I filled my 200-litre fermentation container about halfway with fresh horse manure and then about three-quarters full with clean water and mixed it well. Cow dung, manure and other types of animal dung are also suitable. As soon as the first gas development occurs, you can very gradually begin adding substrate on a daily basis.For permanent gas production, a continuous, preferably daily supply of substrate is necessary. Almost any green waste, kitchen and food scraps, and animal manure are suitable as substrate.As a general rule, anything that can be eaten in the broadest sense can also be used as a substrate. Stable biotic gas formation produces a gas mixture of approximately 50-70% methane, 30-40% carbon dioxide, less than 0.3% hydrogen sulphide (H2S) and trace amounts of nitrogen, oxygen and ammonia. Of these, only methane is of interest to us, and we want to remove the carbon dioxide and hydrogen sulphide as effectively as possible. The biogas produced must be collected and stored safely after cleaning. Storage in compressed gas cylinders during the summer for use in winter is also possible, but involves greater effort and losses. My gas storage tank consists of a wide-necked barrel filled to 80% with water, into which another barrel with a slightly smaller diameter is inserted upside down. Producing your own small amount of biogas can be a very satisfying project, but it requires careful consideration, particularly for larger plants. But when everything runs well, you are rewarded with an astonishing amount of self-generated energy. In many videos on my YouTube channel, I demonstrate how to use methane as effectively as possible, featuring my homemade Stirling combined heat and power plants and other projects. This will generate enough gas to make us completely independent of energy suppliers, using our solar plant and Stirling engines. This video is based on my article for Make magazine, which contains lots of extra information. If you can read German and are interested in biogas plants, look out for Make magazine in newsagents next year. That's why, as an exception, this video will also be published in German next week. If you want to know where my strange pronunciation comes from and want to hear me speak my native language, you can take a look. A special thank you goes to my channel members and supporters on Patreon. You motivate me greatly and make so much possible! As always, I welcome criticism, suggestions, and help in the comments here on YouTube or on Discord. Thank you very much for your interest. Thanks for the background music: Song: Jim Yosef - Eclipse [NCS Release] Music provided by NoCopyrightSounds Free Download/Stream: http://ncs.io/eclispe Watch: • Jim Yosef - Eclipse | House | NCS