Assertion: leaching | /r/HasProperty | operated at ph
Facets:
value: in this process configuration
type: OTHER
value: more preferably
type: DEGREE
Source sentences:
text: In this process configuration, leaching can be operated at about pH 7-12, preferably about pH 8-11, more preferably about pH 8-10, and even more preferably at a pH less than pH 9.