Assertion: methane | /r/HasProperty | collected
Facets:
Source sentences:
text: The methane is collected and combusted using a flare or an electricity generation system.
text: Methanogenesis can also be beneficially exploited, to treat organic waste, to produce useful compounds, and the methane can be collected and used as biogas, a fuel.
text: As it breaks down it gives off methane, which is collected and converted into biogas and used to generate electricity, heat or transport fuels.