D201 is polystyrene skeleton macroreticular strongly basic anion exchange resin, containing the -N(CH3) 3, equivalent to a solid alkali. Have excellent physical abrasion resistance and resistance to chemical penetration ability and good silicon removal performance. Mainly used for desalination. Can also be used for cyanide pulp adsorption of cicc.
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.
Strong Basic Anion Exchange Resin D201 MB FAQ
What is D201 MB resin used for?
It is primarily used for removing strong acid anions like chloride, sulfate, and nitrate from water.
What functional groups does D201 MB contain?
It contains quaternary ammonium groups, providing strong base anion exchange capability.
What is the resin structure of D201 MB?
It has a macroporous structure that enhances adsorption capacity and chemical stability.
Can D201 MB be used in high-purity water systems?
Yes, it is suitable for power plants, electronics, and pharmaceutical-grade water treatment.
How is D201 MB regenerated?
It is regenerated using strong alkali solutions such as sodium hydroxide.
Is D201 MB effective in removing organic contaminants?
Yes, its macroporous nature allows it to adsorb some organic impurities effectively.
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