Patent ID: 7955635

Claim:
A process for extract purification of sugar beet raw juice, comprising: a) preliming sugar beet raw juice by adding milk of lime thereto until a concentration of about 0.1 to 0.3 g of CaO/100 ml of raw juice has been attained for at least one of precipitation and coagulation of non-sucrose substances in the form of a coagulate, b) adding at least one copolymer of acrylamide and sodium acrylate having a molar mass of about 5 million to about 22 million as a polyanionic flocculation assistant in a concentration of 1 to 8 ppm, to the prelimed juice, c) removing coagulate from the preliming juice using at least one first removal apparatus to obtain a clear preliming juice, d) main liming the preliming juice obtained after removal of the coagulate by adding milk of lime until a concentration of about 0.6 g of CaO/100 ml in the clear preliming juice has been attained, and e) performing a first carbonatation by introducing carbon dioxide into the main liming juice followed by an optional subsequent performance of a second carbonatation.