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1. Product Introduction:
00 1×7 MB It is a gel-type strong acid cation exchange resin with a polystyrene skeleton, containing sulfonic acid groups, equivalent to solid sulfuric acid. Mainly used in the water treatment industry.
2. Performance Indicators:
Appearance
Light yellow transparent spheres
Functional Group
-SO3H
Delivery Form
Na+
Total Exchange Capacity
≥4.5 mmol/g
Volume Exchange Capacity
≥1.9 mmol/ml
Moisture Content
45%~50%
Wet True Density
1.25~1.29 g/ml
Wet Apparent Density
0.77~0.87 g/ml
Particle Size Range
0.5~1.25 mm
Effective Particle Size
0.55-0.90 mm
Uniformity Coefficient
≤1.4
Sphericity Rate
≥60%
3. Reference Operating Conditions:
Maximum Operating Temperature
120℃
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:
Water Softening
Pure Water Preparation
Hydrometallurgy
Rare Element Separation
5. Precautions:
1. Transportation and Storage of the Product:
The product should be stored wet, preferably at temperatures above 0 degrees Celsius; if unused for a long time, it can be sealed or immersed in 5% the above brine; during transportation, the main concern is frost protection. Heavy objects should not be placed on the resin to prevent crushing.
2. Resin Pretreatment:
Generally, alkali -water - acid - water can be used in one process for treatment. For strict requirements, three cycles should be performed, finally treating to the required ion form.
3. Resin Loading:
Consider the resin's swelling rate during ion exchange, reserve enough space to prevent overflow and ensure appropriate 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 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 immersed in saline within a salt-resistant medium, keeping the surface from dehydration. Periodic backwashing of the resin is also required to loosen it and prevent caking and spoilage.
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