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1. Brief Introduction:
The product is a type of anion exchange resin with the quaternary amidocyanogen [-N(CH3)2, C2H4OH] on macroporous styrene-divinyl benzene copolymer which is used in preparation for purity water with characteristics of high reproducibility, big exchange capacity , better pollution resistance ,especially for seriously polluted water.
LH-202 resin series include three types: LH-202 for fixed bed system, LH-202FC for double room and fluidized bed system, LH-202SC for bunk bed system.
2. Voluntary Standards:
HG/T2754-96 DL519-2004 SH2605.08-97
3. Typical physical and chemical properties:
| Index Designation Indices |
LH-202 |
LH-202 FC |
LH-202 SC |
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Appearance |
Milky white to straw yellow opaque spheroidal particle |
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Ionic form as aelivered |
Cl |
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Moisture Content ％ |
47-57 |
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Total Exchange Capacity mmol/g |
≥3.60 |
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Strong radical capacity mmol/g |
≥3.40 |
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Total Exchange Capacity mmol/ml |
≥1.20 |
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Specific gravity g/ml |
0.68-0.74 |
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Bulk Density g/ml |
1.07-1.12 |
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Range granularity ％ |
(0.315-1.25)mm≥95 |
(0.45-1.25)mm≥95 |
(0.63-1.25)mm≥95 |
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Lower-limit Granularity % |
＜0.315mm≤1.0 |
＜0.45mm≤1.0 |
＜0.63mm≤1.0 |
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Effective Size mm |
0.40-0.70 |
≥0.50 |
≥0.63 |
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Uniformity Coefficient |
≤1.60 |
≤1.40 |
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Spherical after osmotic-affrition ％ |
≥90 |
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4. Reference Indices for Operation:
1) PH Range:l-14
2) Maximum operating temperature:
OH form≤60℃; CI form ≤80℃
3) Swelling%: (Cl-→OH-)≤15
4) Operating capacity: 25℃≥700mmol/l(wet)
5) Bed depth: 1.0-3.0m
6) Regenerat: NaOH: 4-5%
7) Amount of regenerating solution:
HC1 (4%) volume :resin volume=2-3:1
8) Flow rate of regenerating solution: 4-6m/h
9) Regenerating contact time : 30-60 minutes
10)Conventional well-flushing flow rate: 15~25 m/h
11)Conventional well-flushing time: about 30minutes
12)Operating flow rate:15~45m/h
5. Specification Corresponding to International One:
USA: Amberlite IRA-900 DOWS MSA-2;
Germany: Mp-600
6. Package: Woven bag lined with plastic bag; net weight 25kg
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