MX900 is a special resin mixture for direct purification of water.The ratio of component resins has highest quality.
This applies especially where traces of cations such as sodium and other metal cation that can be present as a result of corrosion of metal alloys need to removed.
Index
Name |
Specification |
|
Index Name |
Cation resin |
Anion resin |
Polymer |
Styrene-DVB-Copolymer,gel-type |
|
Functional Group |
-SO3 |
-N(CH3)3 |
Conversion rate |
≥99% H+ |
≥90% OH- |
Cation resin anion resin ratio V/V |
1 |
1.5 |
Volume Exchange Capacity |
≥1.75mmol/ml |
≥1.1mmol/ml |
Real Density (g/ml) |
1.17~1.22g/ml |
1.06-1.09g/ml |
Bulk Density (g/ml) |
0.73~0.83g/ml |
0.66~0.71g/ml |
Water Retention Capacity |
51%~56% |
53%~58% |
Particle Size Range |
0.315~1.25mm ≥95% |
0.315~1.25mm ≥95% |
Whole Bead Count(%) |
≥95% |
≥95% |
Uniformity Coefficient |
≤1.6 |
≤1.6 |
Precautions
Resin should be wet state preservation. The best temperature is above 0℃. Resin should be put into a closed space or add in salt water of 5% or above if not used for a long time.Should be anti-freezing during transportation. Do not place heavy objects on the resin in case being crashed.
Generally requires alkali- water - acid - water flow path for processing. Strict requirement needs three circulation before coming to final ion kenel.
Need to consider different transformation expansion rate to set aside enough space to prevent resin overflow and ensure the appropriate liquid level height; Column diameter ratio should be within a reasonable range and avoid bias current; Use wet packed column or back-flushing to wash away bubbles inside resin layer.
Before liquid going into the resin column, steps as flocculation, filtration, or sand-filtration should be taken so that it doesn’t jam resin pore with suspended solids .
Resin inside the column that hasn’t been used for a long time should be storaged outside of the column after washing, or adding salt water in the salt resistant medium while keeping liquid level not dehydrated with usual backwashing to loosen resin in case of agglomeration.
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