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About Ion Exchange Resins

IEX Recommended Temperature
Pretreatment of Ion Exchange Resin
Basic Characteristics of Ion Exchange Resins
The Structure of Ion Exchange Resin
Basic Type of Ion Exchange Resin

Application Industries

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Weak Base Anion Exchange Resin (WBA)

SEPLITE ® Weak Acid Cation Exchange Resin

The Weak Base Anion Exchange Resin with primary, secondary, tertiary amine or mixed amine group as active functional groups show different strengths of alkalinity. Most weak Base Anion Exchange Resins with mixed amine group equiped a extremely high operating capacity with the ability to remove both strong and weak acids from solution.

There are two kinds of weak base anion exchange resins, Gel type and Macroporous type, which have acrylic backbone, styrene backbone or mixed backbone. Weak base anion exchange resins are more chemically stable and higher resistant to organic fouling than strong base anions.

The weak base anion exchange resin is easier to regenerate than the strong base resin, and can be efficiently regenerated with a small amount of sodium hydroxide.

Weak base anion exchange resins are commonly used in pharmaceutical, food engineering, and chemical engineering, such as the removal of mineral acid, organic acids and other organic materials, especially for removal of high molecular weight organic matters from aqueous solutions under low pH condition.

Typical Applications For Weak Base Anion Exchange Resin

 
  • Removal of mineral acid
  • Removal of organic matter
  • Pure water preparation
Wastewater treatment

 

Approvals

 
  • Kosher Certificate
  • Halal Certificate
  • FDA registeration
  • WQA Gold Seal Certificate
  • REACH

 

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Latest News

01 2020-12
A Better Choice for Tungsten and Molybdenum Separation

Sunresin has set up special topics and established a special research team based on customers’ needs to conduct research and analysis on the element composition and existing technology of tungsten leaching solution, and successfully developed sepcial resin Seplite® LSC680 for tungsten and molybdenum separation as well as the matching process.

27 2020-11
Acetone Purification and Cycling (Methylamine removal), solvent in the production of PPS (polyphenylene sulfide)

The ion exchange resin (IER) method is very excellent and efficient for acetone purification. Acetone will pass cation exchange resins first and then the anion exchange resins, more than 95% methylamine will be removed.

24 2020-11
Sunresin awarded as Asia's Best Under A Billion by Forbes 

On November 23, 2020,Forbes announced Asia’s Best Under A Billion 2019 list. Sunresin was honored to be selected. The promulgation ceremony originally scheduled to be held in Bangkok, Thailand, was carried out online due to continuous spreading pandemic.

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