03:42 Jul 23, 2012
Дополнительно: After respective loading of the cation exchanger, the sugar juice is displaced with water -- a procedure commonly called sweet-off. The primary cation exchanger is next treated counter current to the juice flow with a 10-15% salt brine solution, beingsubstantially free of calcium ions (less than 0.005 equivalent calcium ion per liter) at a rate of about 200% salt equivalents on the exchange capacity of the cation exchanger, and at a flow rate of about 2 bedvolumes per hour. |