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ResinTech WACG Weak Acid Cation Exchange Resin, H Form, 1 Cubic Foot
ResinTech WACG is a hydrogen form gel weak acid cation resin. WACG has exceptionally high capacity and can be regenerated at close to 100% acid efficiency. WACG is intended for all hydrogen cycle dealkalizer applications, as a component resin in demineralizes, and for metals removal in waste treatment applications (when ordered in the sodium form). ResinTech WACG is available in the hydrogen form, in the buffered form for potable water applications (when ordered as WACG-HP), and in the sodium form (when ordered as WACG-Na).
Features & Benefits
- High Capacity: Over 90 Kilograms per cubic foot total capacity
- High Regeneration Efficiency: Carboxylic functional groups yield high operating capacities and almost 100% regeneration efficiency
- Superior Physical Stability: 93% plus sphericity and high crush strengths together with carefully controlled particle distribution provides long life and low pressure drop
- Controlled Particle Size: 16 to 50 mesh size provides a low pressure drop and superior kinetics
- Complies With US FDA Regulations: Conforms to paragraph 21CFR173.25 of the Food Additives Regulations of the US FDA
Applications:
- Dealkalizer: ResinTech WACG (H form) removes hardness from water by neutralizing alkalinity from HCO3 to CO2. The carbon dioxide can be then removed in a degassifier. For complete removal of hardness, a strong acid cation type softener is needed. For complete conversion of HCO3 alkalinity to CO2, a hydrogen form cation may be needed.
- High TDS Softening: WACG can be operated as a softener in the sodium cycle. Selectivity for hardness compared to sodium is 5 to 10 times higher than conventional softening resins. Regeneration required acid followed by caustic, salt can not be used. Sodium form weak acid resins can be used to soften high TDS waters up to approximately 50,000 ppm.
- Metals Removal: WACG-Na has higher selectivity for divalent transition metals as compared to hardness ions.
- Polymer Structure: Acrylic/DVB
- Polymer Type: Gel
- Functional Group: Carboxylic Acid
- Physical Form: Spherical Beads
- Ionic Form as Shipped: Hydrogen
- Total Capacity: >4.0 meq/mL
- Water Retention: 43 to 60 percent
- Approximate Shipping Weight: 48 lbs per cu. ft.
- Screen Size Distribution (US Mesh): 16 to 50
- Maximum Fines Content (< 50 mesh): 1%
- Minimum Sphericity: 93%
- Uniform Coefficient: 1.7 approx.
- Resin Color: White to tan
Suggested Operating Conditions
- Maximum Continuous Temperature: 212°F
- Minimum Bed Depth: 30 Inches
- Backwash Expansion: 25 to 50 percent
- Maximum Pressure Loss: 25 psi
- Operating pH Range: >5 SU
- Regenerant Concentration:
- Hydrogen Cycle: 1 to 5 % HCl
- Hydrogen Cycle: 0.8 to 8% H2SO4
- Regenerant Level: Approx 120% of theoretical
- Regenerant Flow Rate: 0.3 to 1.5 gpm per cu. ft.
- Regenerant Contact Time: > 30 minutes
- Displacement Flow Rate: Same as dilution water
- Displacement Volume: 10 to 15 gallons per cu. ft.
- Rinse Flow Rate: Same as service flow
- Rinse Volume: 35 to 60 Gallons per cubic foot
- Service Flow Rate: 1 to 5 gpm per cubic foot
