Macroporous Catalyst Cation Ion Exchange Resin

Macroporous Catalyst Cation Ion Exchange Resin

Lanlang ® CA002D is a sort of cation exchange reisn which has sulfonic group (-SO3H) in the styrene-DVB copolymer with macroporous structure. It is used as catalyzer mainly in the synthesizing chemical industry etherification and ether linkage degradation, especially for the synthesizing catalyzing of methyl tert-butyl ether (MTBE).
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Product Details

Lanlang ® CA002D

Polystyrenic Macroporous, Strong Acid Cation Resin, Hydrogen form, Catalyst,

Macroporous strong acid cation exchange resin

Used for MTBE and TAME production

201907021853192299657

Application

MTBE Production

TAME Production

Guard Bed

ADVANTAGES

Highly Crosslinked

Basic Features:

Polymer Structure Macroporous polystyrene crosslinked with divinylbenzene

Appearance Tan, spherical beads

Functional Group Sulphonic acid

Ionic form as shipped H+


Typical Physical and Chemical Characteristics:

NO.

ITEM

SPEC

1

Total exchange capacity (eq/g)

≥4.8

2

Moisture retention (%)

45-55

3

Particle size range (%)

0.45-1.25 mm≥95

4

Whole uncracked beads after attrition (%)

≥96

5

Shipping weight (g/ml)

0.78-0.88

6

Specific gravity (g/ml)

1.23-1.28

7

Effective size (mm)

0.4 - 0.6

8

Uniformity coefficient

<1.7

9

Specific surface area (m2/g)

40-50

10

Average pore size (A)

200-300


PRESSURE DROP

The pressure drop across a bed of ion exchange resin depends on the particle size distribution, bed depth, and voids volume of the exchange material, as well as on the flow rate and viscosity of the influent solution. Factors affecting any of these parameters— such as the presence of particulate matter filtered out by the bed, abnormal compressibility of the resin, or the incomplete classification of the bed—will have an adverse effect, and result in an increased head loss. Depending on the quality of the influent water, the application and the design of the plant, service flow rates may vary from 10 to 40 BV/h.


BACKWASH

During up-flow backwash, the resin bed should be expanded in volume between 50 and 70% for at least 10 to 15 minutes. This operation will free particulate matter, clear the bed of bubbles and voids, and reclassify the resin particles ensuring minimum resistance to flow. When first putting into service, approximately 30 minutes of expansion is usually sufficient to properly classify the bed. It is important to note that bed expansion increases with flow rate and decreases with influent fluid temperature.


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