Assertion: selenium | /r/HasProperty | recovered
Facets:
value: by roasting the mud
type: MANNER
value: by treating the selenious acid
type: MANNER
Source sentences:
text: The selenium is finally recovered by treating the selenious acid with sulfur dioxide.
text: Selenium may be recovered by roasting the mud with soda or sulfuric acid, or by smelting with soda and niter:
text: Selenium is recovered by roasting the muds with soda or sulfuric acid, or by smelting them with soda and niter.