DRY OIL-AND-FAT SEPARATION METHOD

DISCLOSED IS A DRY OIL-AND-FAT SEPARATION METHOD OF HIGH YIELD AND HIGH SEPARATION ACCURACY, WHICH USES AGITATION AND CRYSTALLIZATION IN ORDER TO PREVENT PROBLEMS WITH THICKENING OF THE CRYSTAL SLURRY AND DECREASED SOLID/LIQUID SEPARATION EFFICIENCY IN THE CRYSTALLIZATION/PRESS-FILTERING PROCESS OF DRY SEPARATION OF OIL-AND-FAT CONTAINING HIGHLY CRYSTALLINE SUS. IN DRY SEPARATION, THE CRYSTALLIZATION/PRESS-FILTERING PROCESS IS DIVIDED INTO MULTIPLE STEPS AND REPEATED, TO CONCENTRATE THE SUS IN EACH CRYSTAL FRACTION AND YIELD SUS-RICH OIL AND FAT. SUBDIVISION INTO MULTIPLE STEPS MAKES IT POSSIBLE TO KEEP THE CRYSTALLINITY OF THE CRYSTAL SLURRY IN THE CRYSTALLIZATION/PRESS-FILTERING PROCESS WITHIN A RANGE SO THAT THE CRYSTAL SLURRY CAN BE TRANSPORTED BY PUMP, AND TO INCREASE SOLID/LIQUID SEPARATION EFFICIENCY.