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        Ion exchange is an exchange of ions between two electrolytes or between an electrolyte
solution and a complex. In most cases the term is used to denote the processes of purification, separation, and decontamination of aqueous and other ion-containing solutions with solid polymeric or mineralic 'ion exchangers'.

     Keda Machinery has professionally developed the ion exchanging system for gelatine and collagen processing, which effectively eliminates the harmful metal ions and impurities mixed in the solution by the system. As a result, the gelatine liquid is greatly purified, and the ash content, transparency,appearance of final product value are greatly improved.