No title available
0 Assignments
0 Petitions
Accused Products
Abstract
A PROCESS IS PROVIDED FOR SEPARATING PHOSPHORIC ACID (OF HIGH STRENGTH) DIRECTLY ITS SUSPENSION WITH A GELATINOUS OR A FINELY DIVIDED PRECIPITATE, SUCH AS, FOR EXAMPLE, THE CALCIUM SULFATE PRODUCT FIRST FORMED IN A PROCESS FOR PRODUCING PHOSPHORIC ACID. THE PROCESS INVOLVES TREATING THE SUSPENSION BOTH WITH A PARTICULARLY RECITED SURFACTANT AND A PARTICULARLY RECITED MINIMUM AMOUNT OF A BRIDGING LIQUID AND AGITATING UNTIL DENSE AGGLOMERATES FORM. THEN THE PHOSPHORIC ACID IS SEPARATED EASILY FROM THE AGGLOMERATES, E.G. BY DECANTING, FILTERING OR CENTRIFUGING.
13 Citations
0 Claims
Specification