One potential method for obtaining free gas is through the use of cattle manure, which can be converted to biogas through anaerobic digestion. This process involves placing the manure in an air-tight container where bacteria break it down and produce methane gas that can then be used as a source of energy. The benefits of this process are two-fold: first, it provides a renewable source of energy that does not rely on finite resources like oil or coal; second, it helps to reduce greenhouse gas emissions from the agricultural sector by capturing methane that would otherwise be released into the atmosphere. However, there are also challenges associated with this approach, such as the cost of building and maintaining anaerobic digesters, as well as concerns around odor and waste management. Nonetheless, cattle manure has significant potential as a source of free gas, and further research and development could help unlock its full potential in sustainable energy production.

Watch how they built it here:


https://www.youtube.com/watch?v=otqg-ahx4xg

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This is quite impressive, I hope that both federal government and Guinness book of records, recognizes this young lad.

All these useless free gas tutorials on YouTube is what these ones are celebrating?

Very commendable for a 500L project. Could you provide a GC analysis of the “pure” methane end user gas? To be sure your scrubbers are working well.