The basic performance indexes and actual operation situations of different resin combinations were investigated

such as the treated water quality

operating cycle time and resin working capacity.The resin type selection was compared from theoretical and actual operation aspects.Theoretically

the high DVB cation resin has advantages of high working capacity

easy regeneration of large-hole anion resin and anti-fouling performance.More than three years' operation of a power plant show that

combination of gel cation resin and MR anion resin improved the treated water quality and operation period dramatically.The sodium leakage was lower than 1 μg/L

the cation conductivity was kept between 0.06μS/cm and0.07μS/cm

and the operation period was kept more than 40 days.The application experience of this resin combination can provide references for not only high efficient and stable operation of condensate water polishing systems

but also performance evaluation in condensate polishing resins.