D318 Macroporous Acrylic Acid Series Weakly Alkaline Anion Exchange Resin

• Molecular Principal Chain: Carbon Chain Polymer
• Color: Light Yellow Opaque Spherical Particle
• Transport Package: Woven Bag
• Specification: 25L; 1CU. FT; 25KG
• Trademark: SX
• Origin: Bengbu Anhui China
• Model NO.: D318(A830)
• HS Code: 3914000000
• Production Capacity: 1000000kg/Year

Product Description

D318 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 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	-N(CH3)2
Whole bead count (min.)	95%
Total Capacity, wet, volumetric	≥2.3eq/l min
Moisture Retention, FB form	54-64%
Particle Size Range	0.3mm-1.2mm
>1.2mm (max.)	3%
<0.3mm (max.)	1%
Uniformity Coefficient (max.)	1.6
effective size	0.4-0.7mm
Reversible Swelling  FB→CL^- (max.)	≤25%
Shipping Weight (approx.)	660 -730g/l
Specific Gravity, moist  FB  Form	1.05-1.10
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 drug extraction, decolorization of biological fermentation broth, decolorization of sugar solution, purification of citric acid and lactic acid, water treatment and so on.