Assertion: phosphoric acid's impurity | /r/HasProperty | metal ion impurities
Facets:
value: especially
type: OTHER
Source sentences:
text: Accordingly, one object of the present invention is to provide a process by which impurities, especially metal ion impurities, present in wet process phosphoric acid can be substantially removed by precipitation.
text: The central feature of the present invention is that a method has now been provided by which impurities, especially metal ion impurities, can be precipitated from wet process phosphoric acid at lower N/P 2 O 5 weight ratios than shown effective in prior art processes, at relatively short processing time, and which can be separated from the product phosphoric acid at acceptable rates and P 2 O 5 yields.