Assertion: potassium nitrate's use | /r/AtLocation | water treatment
Facets:
value: for removal of iron and manganese
type: PURPOSE
value: for taste
type: PURPOSE
value: for color removal
type: PURPOSE
value: for odor control
type: PURPOSE
Source sentences:
text: The standard industrial use of this compound is in water treatment for color removal, taste and odor control, and removal of iron and manganese.