Assertion: alkali leach | /r/ObjectUse | used in preference
Facets:
value: to the more efficient acid leach
type: PURPOSE
Source sentences:
text: Any more than a few percent carbonate minerals means that alkali leach must be used in preference to the more efficient acid leach.
text: Any more than a few percent carbonate minerals means that alkali leach must be used in preference to the more efficient acid leach.