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Open graphic to view a graphic flow chart.

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I'm thinking one of these might be useful as a farm "outside" toilet. Either this or a composting one. Or for my bush block private or commercial glamping/cabin project.

This one allegedly expels a processed clear compost liquid through the drain tube.

Allegedly can be flushed unlike composting toilets. Ladies will prefer.

A benefit is the biogas. I care nothing for "saving the planet"/CO2 mass-mania. But home produced gas for cooking, heating or other is useful. If the same appliances can be used with normal gas cylinders? A simple tap switching from biogas to cylinder gas could be used.

Heating gas needs would probably be insufficient. A nice wood fire, with a cook top in a cabin, probably better. Running a burner in a tent slowly might provide some heat for a while.

Useful in off the grid, no electricity, no mains water setups.

With these I have only seen one person claiming to have one. Really would want to see real user reference reports. Nowadays on social media troll reference reports are the norm.

These can be fed I presume human waste, food scraps, animal waste? Some conflicting information on the adverts.

I remember seeing a TV doco episode where a Danish farmer made methane gas from his pig farm shit and used it to run his car and farm vehicles.

I've asked if the biogas can be extracted and pumped into a cylinder or other storage. Rather than used directly. Some one posted in India, presumably different processing devices, the "gas is extracted or pumped into truck or tractor tyres, and "rolled" to where it is used". Presumably the tubes is sufficient. I can't see why an air pump couldn't be attached to a biogas tube, and the gas pumped into a tyre tube. When to stop pumping? And what is the consequences of over pumping is another question.

First need is just the toilet(s) and their uses! The gas is a useful by-product. At home running the compost refuse liquid in or under suitable plants isn't bad either.

A home compost toilet has a useful by-product of the filled bins, closed up and composting for twelve months producing useful "clean" compost material for trees, bushes, orchards etc. Not vegetables. Animal dung can be used for vegetables, not human waste or compost. Animal diseases etc can't be readily passed onto humans, but human waste can.

What a shitty topic ...