• Free Amine Ion Exchange Products Milky Or Flaxen Opaque Spherical Grain
  • Free Amine Ion Exchange Products Milky Or Flaxen Opaque Spherical Grain
Free Amine Ion Exchange Products Milky Or Flaxen Opaque Spherical Grain

Free Amine Ion Exchange Products Milky Or Flaxen Opaque Spherical Grain

Product Details:

Place of Origin: China
Brand Name: B&W
Certification: ISO 9001:2008 ISO 14001:2004
Model Number: 451 / D301

Payment & Shipping Terms:

Minimum Order Quantity: As need
Price: Negotiable
Packaging Details: In 25kg PP bags
Delivery Time: 2 weeks
Payment Terms: T/T, L/C
Supply Ability: As need
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Detail Information

Appearance: Milky Or Flaxen Opaque Spherical Grain Executing Standard: HG/T2165-1991   DL/T519-2004   SH2605.09-2003
Ionic Form: Free Amine PH: Basic
Type: Styrene Anion Or Cation: Anion
High Light:

ion exchange water treatment chemicals


acidic ion exchange resin

Product Description

Free Amine Ion Exchange Products Milky Or Flaxen Opaque Spherical Grain

451 Macroporous Styrene Series Ion Exchange Resin Anion Weakly Basic D301 For Water Purifying



Executing standard: HG/T2165-1991 DL/T519-2004 SH2605.09-2003





451 is used mainly to produce pure water and ultra pure water, especially suitable for the treatment of the water resource with high content salt and organic substance, as well as treat waste water which contains chrome and decolorize sugar solution and so on.

It is a sort of anion exchange resin that has tertiary amine group [-N(CH3)2] in the styrene-diethylene benzene copolymer with macroporous structure.



Typical physical and chemical properties


Appearance Milky or flaxen opaque spherical grain
Moisture content % 48.00-58.00
Ionic form Free amine
Total exchange capacity mmol/g ≥4.80
Total exchange capacity mmol/ml ≥1.45
Strong group exchange capacity mmol/g ≤1.00
Shipping weight g/ml 0.65-0.72
True density g/ml 1.030-1.060
Lower limit size % (<0.315mm)≤1
Particle size range % (0.315-1.250mm)≥95
The effective size mm 0.400-0.700
Uniformity coefficient ≤1.60
Sphericity after osmosis-attrition % ≥90.00

Reference indexes in using


ITMES Reference value
The maximal working temperature °C 100
PH range 1-9
Swelling upon complete conversion (OH--Cl-)% ≤28.00
Working flow rate m/h 10-40
Working exchange capacity mmol/L ≥900
Ion exchange resin can not be stored in the open air, and the storage temperature is 0-40°C. When the storage temperature is slightly lower than 0°C, the clarified saturated saline solution and the resin should be added into the packaging bag. In addition, when the storage temperature is too high, not only the resin is easily dehydrated, but also the degradation of the anion resin is accelerated. Once the resin loses water, it is not possible to add water directly when it is used. Soak it with clear, saturated salt solution, then gradually dilute with water, wash away salt, and keep it moist during storage.
1) Water treatment
The demand for ion exchange resins in the field of water treatment is large, accounting for approximately 90% of the yield of ion exchange resins, and is used for the removal of various anions and cations in water. At present, the maximum consumption of ion-exchange resin is used for pure water treatment in thermal power plants, followed by atomic energy, semiconductors, and electronics industries.
2) Synthetic Chemistry and Petrochemical Industry
Acids and bases are commonly used as catalysts in organic synthesis for esterification, hydrolysis, transesterification, hydration and other reactions. The use of ion-exchange resins in place of inorganic acids and bases can also perform the above reaction with more advantages. If the resin can be used repeatedly, the product can be easily separated, the reactor can not be corroded, the environment can not be polluted, and the reaction can be easily controlled.
Methyl tert-butyl ether (MTBE) was prepared by using macroporous ion exchange resin as a catalyst and reacting isobutylene with methanol to replace the existing tetraethyl lead which could cause serious environmental pollution.
3) Pharmaceutical industry
The ion exchange resin in the pharmaceutical industry plays an important role in the development of a new generation of antibiotics and in the improvement of the quality of the original antibiotics. The successful development of streptomycin is an outstanding example. In recent years, research has also been conducted on the aspects of traditional Chinese medicines and other aspects.
4) Environmental Protection
Ion exchange resins have been used in many environmental concerns. At present, many aqueous or non-aqueous solutions contain toxic ions or non-ionic substances that can be used for recycling. For example, the metal ions in the electroplating waste liquid are removed, and useful substances in the waste liquid of the film production are recovered.
5) Food Industry
Ion exchange resins can be used in industrial equipment such as sugar, monosodium glutamate, wine refining, and biological products. For example, high-fructose syrup is produced by extracting starch from corn and then hydrolyzing it to produce glucose and fructose, which are then ion-exchanged to produce high fructose syrup. Ion exchange resin consumption in the food industry is second only to water treatment.
6) Hydrometallurgy and others
Ion exchange resins can separate, concentrate, purify uranium and extract rare earth elements and precious metals from depleted uranium deposits.
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