Assertion: phosphoric acid's amount | /r/HasProperty | deposited
Facets:
Source sentences:
text: In general, these acids clarified before the concentration-evaporation step are not treated directly at the outlet of the evaporation and are in an imbalance of the salts in suspension and in sufficient solution so that in all the places where they are stored , significant amounts of calcium sulfate and other compounds are deposited, which requires treatment that is both important and expensive.