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Ion exchanger

1.ion exchange

So-called ion exchange, ion exchange resin in the water of the ions, such charges. The reaction process of ion exchange can use H cation exchange resin HR or OH type ROH anion exchange resin and the water making Na + or Cl - exchange reaction process, for example:

HR+Na + ¡û¡ú NaR+H +

ROH+ Cl ¡û¡ú RCl+OH

R says ion exchange resin exchange groups. From the type that: in the reaction, ion exchange cations (e.g. water making Na + or Cl -) is transferred to the resin, ion exchange resin in a swap H + or OH - into the water. Making + transferred from water or Cl is the process of resin ion replacement process. But the resin of H + or OH - exchange to water process called free process. Therefore, because of the process and free replacement, and the making of H + + Cl - and OH exchange or position, this change, is called the ion exchange.


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