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001×7 Styrene Series Gel Strong Acid Cation Exchange Resin
1. Description
001×7 is a high capacity premium grade bead form conventional gel polystyrene sulphonate cation exchange resin designed for use in industrial or household water conditioning equipment, Its acidity is similar to some inorganic acids, such as sulfuric acid [H2SO4] and hydrochloric acid[HCl].It can be used as ion exchanger in alkaline, neutral and acidic mediums. This product has speedy exchange ability and good physical strength.
2.Typical Physical and Chemical Properties:
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Items |
Specification |
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Polymer Matrix Structure |
Crosslinked Polystyrene Divinylbenzene |
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Physical Form and Appearance |
Brown yellow to brown grey color beads |
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Functional Groups |
R-SO3¯ |
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Ionic Form ,as shipped |
Na+ |
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Total Capacity, Na+ form, wet, volumetric |
≥1.9 eq/l min |
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Moisture Retention, Na+ form |
45-50% |
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Particle Size Range |
0.3mm-1.2mm |
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<300 µm (max.) |
1% |
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Uniformity Coefficient (max.) |
1.6 |
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effective size |
0.4-0.7mm |
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Reversible Swelling |
Na+ → H+ (max.) |
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Ca2+→Na+(max.) |
5% |
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Shipping Weight (approx.) |
770 -870g/l |
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Specific Gravity, moist Na+ Form |
1.27 |
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Temperature Limit |
120°C (250 °F) |
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pH Range, Stability |
0 - 14 |
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3.Suggested Operating Condition
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Maximum Temperature |
Na+ Form |
120°C (248oF) max. |
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H+ Form |
100°C (212oF) max. |
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Backwash Rate |
25 to 50% Bed Expansion |
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Regenerant Concentration |
Hydrogen Cycle |
3% HCl or 2 to 3% H2SO4 |
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Sodium Cycle |
6% to 8% NaCl or 3% NaOH |
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Regenerant dosage |
HC1 or H2SO4 |
HC1 or H2SO4 volume: resin volume =3:1 |
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NaCl volume: resin volume =2:1 |
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NaOH volume: resin volume =3:1 |
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Regenerant Flow Rate |
2 to 4 BV/h |
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Regenerant contact Time |
At least 40 minutes |
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Service Flow Rate |
10-25m/h |
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4.Applications
It is used in hard water softening, pure water manufacturing, hydro-metallurgy, rare elements separation, aminophenol extracting it is widely used in water treatment, sugar manufacturing, pharmacy, monosodium glutamate, hydro-metallurgy industries and so on.
