SQD-92是一种苯乙烯系弱碱性阴离子交换树脂，专用于乙二醇生产中水的循环回用处理，可有效去除水中的多种阴离子，与SQD-61 / SQD-729 / SQD-749中的一种或多种组合，可以大幅提高水的UV值(紫外透光率)，从而提高乙二醇的产品品质。
SQD-92 is a macroporous polystyrene-based weak anion exchange resin. It is specially designed for the recycling water treatment in the ethylene glycol (MEG) production. Combined with one or all of SQD-61 / SQD-729 / SQD-749, the UV value of the treated water could be largely increased, so that the the quality of MEG obtained could also be largely increased.
树脂的物化性能指标(Physical and Chemical Properties)
|
项目 |
指标 |
|
质量全交换容量(Mass Capacity)mmol/g≥ |
4.7 |
|
强型交换容量(Salt Split Capacity)mmol/g≤ |
0.8 |
|
体积交换容量(Total Capacity)mmol/ml≥ |
1.35 |
|
含水量(Water Retention) % |
50-60 |
|
湿视密度(Density) g/ml |
0.65-0.72 |
|
湿真密度(Bulk Density) g/ml |
1.03-1.07 |
|
粒度范围(Particle Size) % |
(0.45-1.25mm)≥95 |
|
有效粒径(Effective Size)mm |
0.5-0.7 |
|
均一系数(Uniformity Coefficient) ≤ |
1.4 |
|
最高使用温度(Max Temperture) ℃ |
60 |
|
渗磨圆球率(Osmotic Whole bead after Wearing) %≥ |
95 |
|
转型膨胀率(Swelling) %≤ |
20 |
|
溶解性(Solubility) |
不溶于水和任何有机溶剂和酸碱 |
|
出厂型式(Shipping Form) |
游离胺(Free Amine) |
企业标准(Enterprise Standard)
Q/320281NAN 31-2019
树脂再生方法(Regeneration Method)
在经过多种树脂综合处理过的水的电导率或UV值超标时，树脂需要再生。对SQD-92树脂再生时，用2-3倍树脂体积的2-3%的氢氧化钠，45-60分钟从上到下通完。然后用去离子水冲洗至中性即可。
SQD-92 resin is usually used in single column. When the conductivity or the UN value of the water, after the combined treatment, is over the required limit, the resins are exhausted. The exhausted SQD-92 is regenerated by passing 2-3BV of 2-3% NaOH through the resin in 45-60 min from top to bottom. Then wash with DI water to pH neutral. Then the resin is ready for next run.
树脂动力学性能(Hydraulic Characteristics)
包装(Packing)
25Kg、25L编织涂膜袋，或1立方大包。
25Kg, 25L woven coating bag, or 1 cubic bag.
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