Fluorine remove ion exchange resin

Catalog NumberACMA00066987

CategoryOther Applications Resins

Appearance

Light yellow to yellow beads

Application

Potable Water Treatment

Adsorbent Capacity

Fluorine ≥2.0g/L

Code

AOA-23

Moisture Content

50-65 %

Particle Size

0.315-1.25mm (≥95%)

Remarks

It is easy for fluorine acid radical in water to form stable complex compound, thereby intent to remove and reduce fluorine concentration in water, in the end reach to the National Drinking Water Standard which is below 1mg/L.

Temperature Limit

90℃

Type

Others

Whole Beads After Osmotic Attrition

≥95%

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Case Study

Fluorine-Removal Ion Exchange Resin: Assessment of PFAS Capture

Liu, Yen-Ling, et al. Water research 207 (2021): 117781.

The presence of per- and polyfluoroalkyl substances (PFAS), including emerging categories like per- and polyfluoroalkyl ether acids (PFEA), in water sources poses a significant treatment challenge. Ion exchange (IX) is a recognized technology for removing legacy anionic PFAS. This study assessed the performance of various IX resin types in treating a complex mixture of 40 legacy and emerging PFAS from a drinking water source.
Key Findings:
· Resin polymer matrix is decisive: The polymer backbone determined long-term PFAS uptake capacity more than specific PFAS chemical differences once contact time exceeded a couple of hours.
· PS-DVB superiority at equilibrium: All five PS-DVB resins tested achieved >90% removal for 35 of the 40 PFAS after 24 hours. By contrast, polymethacrylate and polyacrylic resins reached >90% removal for fewer than half of the PFAS compounds.
· Kinetics vs. equilibrium: At short contact (15 min) PFAS properties - chain length, charge and functional groups - strongly influenced removal rates. At contact times beyond ~2 h these PFAS-dependent differences diminished and resin chemistry dominated performance.
· Neutral & zwitterionic PFAS: Removal of neutral and zwitterionic emerging PFAS showed only limited differences from anionic PFAS when suitable resin matrices (notably PS-DVB) were used.
· Ether groups (PFEA): Presence of ether linkages in PFEA had little impact on uptake by PS-DVB and polyacrylic resins under the conditions tested.

• Appearance: Light yellow to yellow beads
• Application: Potable Water Treatment
• Adsorbent Capacity: Fluorine ≥2.0g/L
• Code: AOA-23
• Moisture Content: 50-65 %
• Particle Size: 0.315-1.25mm (≥95%)
• Remarks: It is easy for fluorine acid radical in water to form stable complex compound, thereby intent to remove and reduce fluorine concentration in water, in the end reach to the National Drinking Water Standard which is below 1mg/L.
• Temperature Limit: 90℃
• Type: Others
• Whole Beads After Osmotic Attrition: ≥95%