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1．Brief Introduction：
This product is the anion exchange resin that has quaternary ammonium group [-N(CH3)3OH] in the styrene-diethylene benzene copolymer with 7% cross linking degree. It is used mainly to produce pure water and treat wastewater and extract tungsten and molybdenum in biochemical product and hydro-metallurgy.
This resin series include three types，among which LH-207 is a general one：LH-207FC is for strata bed，double bed，fluidized bed system；LH-207MB for mixed bed system．
2．Voluntary Standards：
GB 13660-92 DL 519-93，SH 2605.01-97
3．Typical physical and chemical properties：
| Index Designation Indices |
LH-207
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LH-207 FC
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LH-207 MB
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LH-207 SC
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Appearance |
Spheroidal particle with a color range from light yellow to golden yellow
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Ionic form as aelivered |
Clb
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Moisture Content ％ |
42-48
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Total Exchange Capacity mmol/g |
≥3.60
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Strong-typeionogen Capacity mmol/g |
≥3.50
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Total Exchange Capacity mmol/ml |
≥1.35
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≥1.30
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Specific gravity g/ml |
0.67-0.73
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Bulk Density g/ml |
1.07-1.10
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Range granularity ％ |
(0.315-1.25mm)≥95 |
(0.45-1.25mm)≥95
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(0.40-0.90mm)≥95
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(0.63-1.25mm)≥95 |
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Lower-limit Granularity % |
＜0.315mm≤1.0 |
＜0.45mm≤1.0
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＜0.90mm≤1.0
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＜0.63mm≤1.0 |
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Effective Size mm |
0.40-0.70 |
≥0.50
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0.50-0.80
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≥0.63 |
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Uniformity Coefficient |
≤1.60
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≤1.40
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Spherical after affrition% |
≥90
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Spherical after osmotic-affrition% |
≥60 DL519-2004
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4．Reference Indices for Operation：
1)PH Range：0～14
2)Maximum operating temperature：
OH form≤60℃ Cl form≤80℃
3)Swelling％％：(Cl-→OH-)≤30
4)Operating capacity：25％≥400mmol/l(wet)
5)Bed depth,: 1.0～3.0m
6)Regenerat：
NaCl：8～10％ HCl：4～5％
7)Regeneration Consumption：
NaOH(4％)Vol.：Resin Vol.=2～3:1
8)Flow rate of Conventional well-flushing：4-6m/h
9)Regenerant contact time：about 60minutes
10)Conventional well-flushing flow Rate：15～25 m/h
11)Conventional well-flushing time：about 30minutes
12)Operation flow rate：10-45m/h
5. Specification Corresponding to International One：
USA：Amberlite IRA-400;
Japan：Diaion SA-10A
6．Package：Woven bag lined with plastic bag；net weight 25kg
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