D311 Macroporous Acrylic Acid Series Weak Alkaline Anion Exchange Resin-Ion Exchange Resin

• CAS No.: No
• EINECS: No
• Color: Light Yellow
• Transport Package: Woven Bag/PE Bag
• Specification: Methyl acrylate-divinylbenzene
• Trademark: SX
• Model NO.: D311
• Origin: China
• HS Code: 39140000
• Production Capacity: 60000cubic Meters/Year

Product Description

D311 Macroporous Acrylic acid series weak 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 good properties, such as large exchange capacity, small volumn change, strong physical strength, good chemical stability, excellent resistence to contamination and oxidation, speedy exchange capability 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	56-66%
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.)	18%
Shipping Weight (approx.)	650 -720g/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	NaOH volume: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

4.Applications
It is mainly used in extraction of drugs, deacidification and decolorization of sugar solution, water treatment ,extraction of citric acid etc.