Solar C³ities is an international platform with the intention of providing an open-source virtual Hackspace for "Biogas Innoventors and Practitioners" and training for all those researching, developing and deploying sustainable solutions for flourishing societies.
Home scale biogas at home. This is where it all began for Solar CITIES co-founder T.H. Culhane when he built his own household biodigester on the family porch in Essen after returning from his first visit to India in January 2009 where he learned about the ARTI India system. Today the Culhane has three biodigesters on the porch -- one ARTI style made from a 500 liter and a 300 liter water barrel and two 1000 liter IBC systems that Culhane innovated himself.
This is where it all began for us, building ARTI style digestors in the impoverished areas of Darb Al Ahmar and Manshiyet Nasser in Cairo, Egypt in early 2009
Hola Paola... thanks for your question. All biodigesters kept at 37 C and fed 1/40 of their volume (so, for example, 25 liter bucket of food waste for a 1000 liter tank) should be able to produce their volume in gas each day (1 cubic meter for each 1000 liters). This is under ideal conditions. Expect half that and you usually won't be disappointed. It is very temperature dependent. The Hestia is no different. Here is an animation one of my students did about how to build it (it doesn't show the gas outlet thought; he is working on that). https://www.youtube.com/watch?v=2fW60TSmqkA&feature=youtu.be