Anion exchanger pitch ion-exchange
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On dissociation degree anion exchangers divide on strongly electrolytic and slaboelektrolitny, capable to exchange the ions with the broad range rn. Strong-basic anion exchanger - on anions of strong and weak acids.
Slaboelektrolitny ionites are capable obmenivatsvo ions in narrow limits rn. Cationites - in the alkaline environment, anion exchangers - in strongly acid and only on anions of strong acids.
Receive styrene copolymer chlormethylation from 8% divinyl benzene and the subsequent amination by trimethylamine.
Use of anion exchangers:
For water purification from slabodissotsiiruyushchy acids (coal, silicon) together with cationite -
For deep water purification, the chemical, pharmaceutical and food industry -
For purification of waste and returnable waters -
In hydrometallurgy for softening and desalting of water -
In chemical industry for division and purification of different substances.
Anion exchangers let out the following brands:
strong-basic - AB-17-8, AV-17-8chs, AV-17-10P/0,8, AV-29-12P, AV-16GS-
weak-basic - AN-18-10P, AN-1, AN-2FN, AN-31, EDE-10P.
The AB-17-8 brands intends for water treatment, hydrometallurgy, purification of waste and returnable waters, the chemical industry -
Brands AV-17-8chs - for deep water purification, the chemical, pharmaceutical and food industry -
The AH-31 brands - for water treatment, hydrometallurgy.
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