Assertion: phosphoric acid's use | /r/HasSubevent | heavy losses of this acid
Facets:
value: in the filter cake
type: LOCATION
Source sentences:
text: Successful operation of the above-described procedure is directly dependent on the provision of an inversion method that can be carried out at low sulfuric acid concentrations, since the use of strong sulfuric acid to dehydrate the calcium sulfate hemihydrate would result in heavy losses of this acid in the filter cake or wash water and in a high degree of contamination of the product phosphoric acid.