DL116 Weak Acid Cation Exchange Resin Gel Type
DL116 Weak Acid Cation Exchange Resin Gel Type
- DL116‘s major use is in the dealkalization and softening of waters and thereby the ionic load on the subsequent strong acid resin bed can be reduced. Because it has a lower density than the conventional strong acid resins,DL116 is ideal for use in layered beds which can be economically regenerated by an upflow counter-current technique. This product has also been used to selectively recover transition metals from aqueous solutions.The resin is insoluble in acids, alkalies, and all common solvents. Its physical characteristics are outstanding, and oftenpermit its use where a macroporous resin might otherwise be indicated. Hence DL116 may be operated successfully at relatively high temperatures, e.g. in sugar treatment. Weakly acidic cation resins are increasingly being used in special applications including treatment of waste water streams in order to reduce environmental pollution.
- BASIC FEATURES:
- Application : Dealkalization; Deionization; Softening – High Capacity, Hydrometallurgy
- Polymer Structure : Gel polyacrylic crosslinked with divinylbenzene
- Appearance : Spherical beads
- Functional Group : Carboxylic Acid
- Ionic Form as Shipped : H+
- Total Capacity (min.) : 3.8 eq/l (H+ form)
- Moisture Retention : 45-55 % (H+ form)
- Mean Diameter : 0.60-0.85 mm
- Uniformity Coefficient (max.) : 1.7
- Reversible Swelling (max.) H+ → Na+ : 85 %
- Reversible Swelling, H+ → Ca2+ (max.) : 20 %
- Reversible Swelling, H+ → Ca2+ (Operating) : 7 % (approx.)
- Specific Gravity : 1.18
- Shipping Weight (approx.) : 735-770 g/l
- Temp Limit, H+ Form : 120°C (250°F)
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