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201×4

201×4 is a gel-type strongly basic anion exchange resin with a polystyrene skeleton, containing -N(CH3)3, equivalent to a solid strong base. Due to its low degree of crosslinking, the molecular flow resistance inside the resin is small, making it suitable for the extraction of antibiotics with a high number of negative charges. It is also widely used in the water treatment industry for the preparation of high-purity water.

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  • 1. Product Introduction:

    201× 4 It is a gel-type strongly basic anion exchange resin with a polystyrene skeleton, containing -N ( CH3 ) 3 equivalent to solid strong base. Due to the low degree of crosslinking, the molecular flow resistance inside the resin is small, suitable for refining antibiotics with many negative charges on large molecules. It is also widely used in the water treatment industry for preparing high-purity water.

    Corresponding foreign brands: Amberlite IRA-401, Diaion SA-11A, Dowex 1x4

     

    2. Performance Indicators:

    Appearance

    White to light yellow transparent beads

    Maximum Regeneration Capacity

    ≥4.0 mmol/g

    Strong Base Group Capacity

    ≥3.7 mmol/g

    Volume Exchange Capacity

    ≥1.10 mmol/ml

    Moisture Content

    50%~60%

    Wet True Density

    1.06~1.10 g/ml

    Wet Apparent Density

    0.66~0.71 g/ml

    Particle Size Range

    0.315~1.25 mm

    Effective Particle Size

    0.45-0.70 mm

    Uniformity Coefficient

    ≤1.6

    Sphericity After Attrition

    ≥90%

     

    3. Reference Operating Conditions:

    Maximum Operating Temperature

    OH 40℃, Cl 100℃

    Resin Bed Height

    1~3 m

    Operating Flow Rate

    2~10 BV/h

    Backwash Flow Rate

    4~10 BV/h

    Regeneration (Desorption) Flow Rate

    1~2 BV/h

    Regenerant Dosage

    2 BV 3~5% HCl, 2 BV 2~4% NaOH

     

    4. Product Applications:

    Mainly used in water treatment, pharmaceutical industry, and food industry.

     

    5. Precautions:

    1. Transportation and Storage of the Product:

    Store the product in a wet state, preferably at temperatures above 0 degrees; for long-term storage, it can be sealed or immersed in 5% a brine solution above this concentration; during transportation, prevent freezing, and do not place heavy objects on the resin to avoid crushing.

    2. Resin Pretreatment:

    Generally, an alkali -water - acid - water process can be used for treatment. For strict requirements, three cycles are needed, finally treating the resin into the required ionic form.

    3. Resin Loading:

    Consider the resin's swelling rate during phase transition, reserve enough space to prevent overflow and ensure proper liquid level; the column diameter ratio should be within a reasonable range to avoid channeling; use wet loading or backwash to remove air bubbles inside the resin bed.

    4. Before the liquid enters the resin column, it should undergo flocculation, filtration, or sand filtration to ensure no suspended solids, preventing blockage of resin pores.

    5. Resin unused in the column for a long time must be cleaned and removed for storage, or stored in a salt-resistant medium with brine, keeping the surface from dehydration. Periodic backwashing is also required to loosen the resin and prevent caking and spoilage.

201×4


201×4 is a gel-type strongly basic anion exchange resin with a polystyrene skeleton, containing -N(CH3)3, equivalent to a solid strong base. Due to its low degree of crosslinking, the molecular flow resistance inside the resin is small, making it suitable for the extraction of antibiotics with a high number of negative charges. It is also widely used in the water treatment industry for the preparation of high-purity water.

You can also leave us a message to get the latest product information!

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