Lewatit®MonoPlus TP 208是弱酸性，大孔阳离子交换树脂，具有螯合亚氨基二乙酸基团，专为选择性去除碱土阳离子而设计。Lewatit®MonoPlus TP 208的单分散，均匀尺寸珠粒比离子交换机械和渗透更稳定具有异分散珠尺寸分布的树脂床。此外，它们还具有优异的动力学行为，可以更快地吸收阳离子，并提高容量利用率。由于其改性的聚合物结构和取代度，它特别适用于从稀释和浓缩的盐水溶液中吸附碱土金属和重金属阳离子。因此Lewatit®MonoPlus TP 208标准用于以下应用：精细抛光盐水供给chloralkali膜细胞，例如通过除去Ca 2“，Mg 2”，Sr 2“;也存在费氏“离子除了在盐水净化方面的主要应用之外，Lewatit®MonoPlus TP 208还用于从工艺废水和废水和饮用水中去除和回收重金属。这些金属阳离子按以下顺序从中性水中除去（亲和力降低）：铜＆gt;钒（VO2'）＆gt;铀（UO221＆gt;铅＆gt;镍>锌>镉>钴>铁（II）>铍>锰>钙>镁>锶>钡>>钠。

Lewatit® MonoPlus TP 208 is a weakly acidic, macroporous cation exchange resin with chelating iminodiacetic acid groups designed for the selective removal of alkaline earth cations.

The monodisperse, uniform sized beads of Lewatit® MonoPlus TP 208 are mechanically and osmotically more stable than ion exchange resin beds with heterodisperse bead size distribution. Additionally they offer superior kinetic behavior which leads to faster uptake of cations and a better utilization of capacity. Due to its modified polymer structure and substitution grade it is particular suitable for the adsorption of alkaline earth and heavy metal cations from diluted and concentrated brine solutions. Therefore

Lewatit® MonoPlus TP 208 is standardly used for following application:

• fine polishing of brine fed to chloralkali membrane cells, e.g. by removal of Ca²", Mg²",Sr²"; also in the presence of Fei" ions

Aside from its major application in brine purification Lewatit® MonoPlus TP 208 is used for the removal and recovery of heavy metals out of process, waste and potable water streams. Those metal cations are removed from neutralized waters in following order (decreasing affinity):

Copper > Vanadium (V0²') > Uranium (U0₂²1 > Lead > Nickel > Zinc > Cadmium > Cobalt > Iron (II) > Beryllium > Manganese » Calcium > Magnesium > Strontium > Barium >>> Sodium.

应用

化学工业;工业用水;金属工业;采矿;饮用水处理;工艺用水;净化;去除;冲洗用水;软化;废水处理;水处理;

Chemical Industry

Industrial water

Metal industry

Mining

Potable water treatment

Process water

Purification

Removal

Rinse water

Softening

Waste water treatment

Water Treatment

Synonyms

Lewatit MonoPlus TP 208

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