Assertion: phosphoric acid's concentration | /r/HasProperty | suggested for the manufacture of h 3 po
Facets:
value: by solvent extraction
type: MANNER
Source sentences:
text: In contrast to the previous methods, where a high P 2 O 5 concentration in the rock was suggested for the manufacture of H 3 PO 4 by solvent extraction, in accordance with the present invention, this requirement is superfluous as an upgrade of the phosphate rock occurs after the first step, when a substantial part of the calcium carbonate in the rock reacts with the mineral acid introduced into the reaction.
text: In contrast to the previous methods, where a high P 2 O 5 concentration in the rock was suggested for the manufacture of H 3 PO 4 by solvent extraction, in accordance with the present invention, this requirement is superfluous as an upgrade of the phosphate rock occurs after the first step, when a substantial part of the calcium carbonate in the rock reacts with the mineral acid introduced into the reaction.