Macroporous Strong Basic Anion Exchange Resin D201 FC
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D201 FC 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.
Macroporous Strong Basic Anion Exchange Resin D201 FC FAQ
What is D201 FC resin used for?
It is mainly used for deionization and purification of drinking water and food-grade liquids.
What functional group does D201 FC contain?
It contains quaternary ammonium groups, enabling strong base anion exchange.
Is D201 FC safe for food and beverage applications?
Yes, D201 FC is food-grade and meets safety standards for food contact.
What is the structure of D201 FC resin?
It has a macroporous structure, providing excellent durability and high exchange efficiency.
How is D201 FC regenerated?
It is regenerated with a strong alkali, such as sodium hydroxide.
What types of ions can D201 FC remove?
It can remove strong acid anions like sulfate, nitrate, and chloride effectively.
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