Household Biogas, China

Underground gas tank, capturing methane gas from pig faeces which via pipes is connected to a gas burner in the kitchens, avoiding the use of coal and wood for cooking.

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Sichuan Household Biogas, China

The project helps farmers in extreme poverty to build private biogas plants. The plant is essentially a slurry tank underground, where farmers can flush their pigs’ faeces into. In the tank, the feaces emits it methane gas, which via pipes is connected to a gas burner in the kitchen. Instead of emitting into the atmosphere as a greenhouse gas, the methane is now burned, replacing the use of coal and wood for cooking.

When the feaces is degassed and broken down, it can be used as fertilizer on the farmers’ fields. But it also has a wide range of social benefits and makes a huge difference in the lives of farmers.

They don’t have to spend large sums of money buying coal, and don’t have to stand in the smoke of their fireplace all day. They also escape the smell of their animals’ feaces that decays in the barn.

Additional to this, they get organic fertilizer that can replace their chemical fertilizer they depend on and which they can sometimes also sell, which benefits both their economy and local biodiversity, yields better returns from the fields etc. (it is a phenomenon of “swirling” the topsoil by overuse of fertilizers). The environment also benefits from the reduced tree felling as a result of a new clean energy source, and the fact that pig feaces are no longer dumped in nearby lakes and rivers (as was partly done before), resulting in infected water sources and disease.

The project is aimed exclusively at the poorest of the poorest and thus combats inequality, both by giving families more money between their hands and by creating a lot of jobs in the local environment (around 7,500 new jobs have been created as a result of the project). As women in particular are responsible for collecting firewood and cooking, it is also women in particular who benefit from the time saved and the greatly improved indoor climate.


Please notice that some of our receipts has our old name "RenSti" as the buyer.
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