ResinTech - Model SBG1 - Anion Exchange Resin Type 1 Gel Cl Or OH Form
ResinTech SBG1 is a chloride form type 1 gel strong base anion resin. SBG1 is a high crosslinked resin with higher ion exchange density than other strong base anion resins. This results in both higher capacity and higher selectivity for various anions. ResinTech SBG1 is intended for use in the hydroxide form for all types of deionizing systems as well as in the chloride form for removal of contaminants such as nitrate, arsenate, chromate, uranium, etc. SBG1-OH is especially well suited for use in polishing mixed beds. SBG1 is supplied in the chloride form or in the hydroxide form (when ordered as SBG1-OH).
- Polymer Structure: Styrene/DVB
- Polymer Type: Gel
- Functional Group: Trimethylamine
- Physical Form: Spherical Beads
- Ionic Form (as shipped): Chloride or Hydroxide
- Total capacity: > 1.45 meq/mL (Cl Form) / > 1.15 meq/mL (OH Form)
- Water Retention: 42 to 50 percent (Cl Form)
- Approximate Shipping Weight : 43 lbs/cu.ft. (Cl Form) / 42 lbs/cu.ft. (OH Form)
- Swelling: 18 to 25 percent Cl to OH
- Screen Size Distribution : 16 to 50 (U.S. Mesh)
- Maximum Fines Content: 1 percent (less than 50 Mesh)
- Minimum Sphericity: 93 percent
- Uniformity Coefficient: 1.6 (Approximate)
- Resin Color: Amber
High Total Capacity
Provides long run lengths
Lower TOC Leach Rate
Ideal for use in polishing mixed beds when ordered in the hydroxide form
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
ResinTech SBG1-OH can be used as the anion component in a variety of demineralization applications where a hydroxide form anion resin is coupled with a hydrogen form cation resin. SBG1-OH is suitable for high operating temperatures and for high flow rates encountered in polishing condensate and other low TDS waters such as RO permeate. SBG1-OH provides low TOC and low silica leakage in ultrapure demineralizers.
Trace Contaminant Removal (U, Cr, As, Se, ClO4)
ResinTech SBG1 has high capacity and can be used to remove a variety of trace contaminants, even when that contaminant is not highly preferred compared to the other bulk ions in the feedwater. Useful capacities are
obtained when the feedwater TDS is substantially less than the resin’s internal TDS. Uranium, chromate, and perchlorate are particularly well removed. Arsenate and selenate are well removed but can be chromatographically displaced by sulfate and other ions.
ResinTech SBG1 can be used in the chloride cycle to reduce nitrates along with sulfates. Regeneration is accomplished with sodium chloride brine, in a fashion similar to water softeners. Although high operating capacities and high salt efficiency can be obtained, there is also the possibility of nitrate dumping. Use of chloride form anion resin reduces pH during the early portion of the exhaustion cycle. When treating waters with high hardness the brine dilution and displacement waters should be softened and a low hardness salt used to prevent scaling during regeneration.
High capacity resins such as ResinTech SBG1 have high affinity for divalent anions such as sulfate, provided the feedwater TDS is not greater than about 5,000 ppm. At higher TDS the resin loses its affinity for sulfate and begins to prefer chloride. Regeneration is accomplished with sodium chloride brine in a fashion similar to a water softener.