Assertion: methane | /r/HasProperty | increased to 80%–90% methane
Facets:
value: for reactors with free liquids
type: TRANSITIVE-OBJECT
Source sentences:
text: Advanced waste treatment technologies can produce biogas with 55%–75% methane, which for reactors with free liquids can be increased to 80%–90% methane using in-situ gas purification techniques.