Sugar Desalination
Desalination involves removal of ions from the sugar solution using ion exchange resins.
Cation exchange resins remove positive ions such as Na, Ca, K and Fe, as well as ampholytic components such as amino acids. Anion exchange resins remove negative ions such as Cl and SO4, as well as weak acid components such as organic acid, silica, coloring matter and coloring matter precursors. Off-flavors and odors are also removed through desalination, and the stability during storage of the sugar solution is improved.
Example of Desalination System for Sucrose Solution
Example of Desalination System for Sucrose Solution
Ion Exchange Resins for Desalination
Sucrose, fructo‐oligosaccharide
Cation exchange resins
Amberlite FPC76J
Anion exchange resins
Amberlite IRA400, Amberlite FPA60
Amberlite IRA478RF
Starch sugar
Positive ion exchange resins
Amberlite FPC10Na, Amberlite FPC20
Cation exchange resins
Amberlite XE583, Amberlite IRAFPA95, Amberlite IRA67
Amberlite FPA910, Amberlite IRA478RF, Amberlite FPA958
Amberlite FPA60