Specialty Ion Exchange Resin for Nitrate Removal/Separation


KP-303 is an ion exchange resin synthesized with special technology, specializing in removing nitrate radicals of heavy metal salts. For its highly firm and solid structure, this resin performs with its high anti-osmotic efficiency and excellent mechanical &shock resistance as well as functions anti-pollution from organics. 

Owing to its special weak-base functional groups, KP-303 performs high selectivity to free radicals of strong acids, regardless of other weak-acids radicals surround by. Considering the increasing order of affinity that its special functional groups avail to, KP-303 is designed in priority of removing nitrate ions as NO3– with rather high exchange capacity, which is being widely applied within industrial sewage or wastewater treatment.

Matrix: Styrene-based Polymer
Physical form: Pale-white Spherical beads
Ionic form as shipped: Free base
Moisture holding capacity(%): 50 to 60%
Total bulk exchange capacity: ≥1.4 mmol/mL
Moisture true density: 1.03~1.06g/mL
Moisture bulk density: 0.65~0.72g/mL
Effective particle size: 0.40~0.70mm
Particle size: 0.315~1.25mm≥95℅
Uniformity coefficient: ≤1.6
Integrated beads ratio after grinding test: ≥90℅
Max Swelling Rate of Resin after Ionic State Transition: OH->Cl≤20%
Maximum operating temperature: 60°C
Minimum bed depth: 700mm
Service flow rate: 5~40 BV*/h
Maximum service velocity: 60 m/h
Regenerant: NaOH Na2CO3   NH3H2O
Level(Counted by 100%): 50-110g/L 60-140g/L 40~100g/L
Concentration: 2~4℅ 2~4℅2~4℅
Flow rate: 2~8 BV*/h 4~8 BV*/h2~8 BV*/h
Minimum contact time:30min
Slow rinse: 5 BV at regeneration flow rate
Fast rinse:10 BV at service flow rate
*1 BV(Bed Volume)= 1 solution per resin