Extrepure D315 Macroporous Acrylic Acid Series Weakly Alkaline Anion Exchange Resin

• Acid-Base Property: Alkaline Surface Disposal Agent
• Environmental Protection: Yes
• Color: White
• Appearance: Granulars
• Type: Water Treatment Chemical
• Transport Package: Pallets
• Model NO.: D315
• Specification: 25liter/bag, 1cu. ft/bag
• Trademark: Extrepure
• Origin: China
• HS Code: 39140000
• Production Capacity: 60000cubic Meter Per Year

Product Description

D315 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	-NH2
Total Capacity, wet, volumetric	≥2.0eq/l min
Moisture Retention, FB form	54-64%
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.)	15%
Shipping Weight (approx.)	660 -730g/l
Specific Gravity, moist  FB  Form	1.10
pH Range, Stability	1 - 9

3.Suggested Operating Condition 

Maximum Temperature: Free Base Form		100°C   (212^oF) 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

4.Applications

It is mainly used in extraction of drugs, alkaline water and radioactive waste water treatment, extraction and decolorization of biochemical substance ,such as citric acid, vitamin C etc, refining and decolorization of sugar solution, removal of inorganic acids, such as Cl^-,SO₄^2- etc, extracting molybdenum in hydrometallurgy and water treatment industries.