Assertion: sodium carbonate's use | /r/CapableOf | give rise
Facets:
value: from 40 vol%
type: OTHER
value: alternatively
type: MANNER
Source sentences:
text: 5. to allow, alternatively, the use of fuel with a lower carbon content than the coke used in the soda-plant lime kilns (composed primarily of carbon and inerts): anthracite fuels or fuels comprising agricultural or forestry residues, which contain more hydrogen and other molecules, give rise to a drop in the C0 2 soda plant level (lime kiln 'lean gas') from 40 vol% to 25-35% (in other words, even leaner).