LH-207 Strong-base Stryrene Serial Anion Exchange Resin

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	LH-207 FC	LH-207 MB	LH-207 SC
Appearance	Spheroidal particle with a color range from light yellow to golden yellow
Ionic form as aelivered	Clb
Moisture Content ％	42-48
Total Exchange Capacity mmol/g	≥3.60
Strong-typeionogen Capacity mmol/g	≥3.50
Total Exchange Capacity mmol/ml	≥1.35		≥1.30
Specific gravity g/ml	0.67-0.73
Bulk Density g/ml	1.07-1.10
Range granularity ％	(0.315-1.25mm)≥95	(0.45-1.25mm)≥95	(0.40-0.90mm)≥95	(0.63-1.25mm)≥95
Lower-limit Granularity %	＜0.315mm≤1.0	＜0.45mm≤1.0	＜0.90mm≤1.0	＜0.63mm≤1.0
Effective Size mm	0.40-0.70	≥0.50	0.50-0.80	≥0.63
Uniformity Coefficient	≤1.60		≤1.40
Spherical after affrition%	≥90
Spherical after osmotic-affrition%	≥60 DL519-2004

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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