Assertion: nitrogen dioxide | /r/MadeOf | gas
Facets:
value: a nitrogen dioxide
type: OTHER
Source sentences:
text: This invention relates to a hydrometallurgical process for recovering metal values from sulfidic minerals and more particularly to a leaching process wherein a nitrogen dioxide containing gas is passed through an acidic leaching liquor.
text: In the process of the invention, a particulate sulfidic mineral is added to an aqueous acidic leach liquor and a nitrogen dioxide containing gas is sparged through the resulting slurry.
text: The nitrogen dioxide used in the leaching procedure may be either pure nitrogen dioxide, or a nitrogen dioxide containing gas which has been diluted with an oxidizing gas, e.g., air, or, as will be explained more fully below, oxygen.
text: In this embodiment, a nitrogen dioxide containing gas which contains no oxygen or only small quantities of oxygen is sparged through the leach liquor 18 contained in reactor 12.