Product Description

D941 Macroporous acrylic acid series weakly alkaline anion exchange resin

1. Description
This product is a kind of anion exchange resin which has polyamine groups in the methyl acrylate-divinylbenzene copolymer, with macroporous structure. This resin has special poroid structureand good properties, such as large exchange capacity, strong physical strength, good chemical stability, excellent resistence to contamination and oxidation, speedy exchange capability, regenerating easily etc.
2.Typical Physical and Chemical Properties:

Items	Specification
Polymer Matrix Structure	Methyl acrylate-divinylbenzene
Physical Form and Appearance	light yellow opaque spherical particle
Ionic Form ,as shipped	Free Base
Functional Groups	-NH₂
Total Capacity, wet, volumetric	≥2.1eq/l min
Moisture Retention, FB form	55-65%
Particle Size Range	0.3mm-1.2mm
<0.3mm (max.)	1%
Uniformity Coefficient (max.)	1.6
effective size	0.4-0.7mm
Reversible Swelling FB^-→CL^- (max.)	25%
Shipping Weight (approx.)	680 -780g/l
Specific Gravity, moist FB Form	1.10
pH Range, Stability	1 - 9

3.Suggested Operating Condition

Maximum Temperature: Free Base Form		100°C (212oF) max.
Backwash Rate		50 to 75% Bed Expansion
Regenerant Concentration		2-4% NaOH
Regenerant dosage	NaOH	NaOHvolume:resin volume =3:1
Regenerant Flow Rate		2 to 4 BV/h
Regenerant contact Time		At least 40 minutes
Service Flow Rate		10-25m/h