Assertion: heap leaching | /r/ObjectUse | used in addition
Facets:
value: industrially
type: LOCATION
value: to stirring leaching
type: PURPOSE
Source sentences:
text: In addition to stirring leaching, so-called heap leaching is also used industrially, in which ore heaps are sprinkled with a leaching solution which is generally adjusted to pH 9 to 12 and contains cyanide, and atmospheric oxygen serves as an oxidizing agent.