ASB 108

Strong Base Anion Exchange Resin Type - I

DESCRIPTION: DOSHION ASB-108 resin is an Isoporous Type-I Strong Base Aninon Exchange Resin with high capacity. It Is based on polystyrene matrix with quaternary ammonium functional groups. DOSHICIN AS13-108 is specially designed to give high throughput and economical operation in both water and non water applications, DOSHION ASB-108 resin in combination with DOSHION CSA-9 resin, gives outstanding separation and performance In mixed beds. The ASB-108 Is recommended for achieving lowest possible silica leakage under varied water conditions. The resin is supplied in hard moist bead form and is suitable for both co-current and counter-current operations in demineralisation systems.
PROPERTIES
Matrix Cross Linked Polystyrene
Functional group Quaternary Ammonium Type – I
Ionic Form Cl- (Chloride)
Physical Form Hard moist beads
Particle Size (mm) 0.3-1.20
Molsture Content % 48-54
Total exchange capacity eq/ltr (min.) 1.25
Bulk Density or Shopping Weight gms/ltr 690-710
Operating pH range 0-14
Solubility in common solvents Insoluble
Effect of Acid & Alkali Unaffected
Operating Temperature °C(max) 60°C (OH)
100°C(CI)
Volume Change %(Max):CI.OH 17
SUGGESTED OPERATING CONDITIONS
Minimum bed depth cms 75
Backwash rate **m/hr See flg.2
Regenerant conecnteation % 4-5(NaOH)
Regenerant flow rate ^BV/hr 2-6
Regenerant contact time Minutes 30 min
Regeneration lavel 100% Kgs per m3 of Resin 30-150(NaOH)
Displacement rinse rate *BV/hr 2-6
Displacement rinse volume *BV 1-2
Fast rinse rate *BV/hr 10-40
Fast rinse volume *BV 4-10
Service flow rate *BV/hr 10-40

*Bed Volumes/Hour **Meters/Hour *Bed Volumes

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