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Etherification of isobutene with methanol to produce MTBE


SEPLITE® CT101 is the solid strong acid catalyst for the production of MTBE (methyl tertiary-butyl ether) with the usage of sulfonic acid groups based on the matrix of styrene-DVB copolymer to form the proper pore structure. The technical performance of this polymeric catalyst have reached advanced level with its important features of high activity and long service lifetime.catalyst-resin-ct-101

Keyfeaturesand benefits:

  • High total capacity, high conversion rate, and long catalyst lifetime

  • Proper pore structure, high sensitivity, good low-temperature activity

  • Excellent thermal tolerance and stability

  • Production adopted by full-automatic control system to guarantee the stable quality

PhysicalandChemical Characteristics:

Ionic form H+
Functional group Sulfonic acid
Matrix Crosslinked polystyrene
Physical appearance Brown Porous opaque beads
Total Capacity mmol/g [H+] ≥5.2
Water retention % 50--58
Shipping weight g/ml 0.74—0.84
Density g/ml 1.15—1.25
Particle size mm,% (0.35—1.25)≥95
Whole beads count % ≥95
Uniformity coefficient <1.6
Average pore size nm 35-48
Surface area   m2/g 32--59
Pore volume ml/g 0.30—0.45
Maximum Operating temperature  120
Recommended storage temperature  1-40

Recommended Operating Conditions:
1. Metal ions and alkaline substance content ≤2ppm, butadiene content≤0.1%
2. Alcohol and olefin ratio 0.98-1.05 : 1
3. Reaction temperature 50-80℃
4. Pressure drop limitation ≤0.1Mpa across the bed

Resins should be stored in sealed containers or bags where temperature was above 0℃ in dry conditions without exposure to direct sunlight.
Do not mix ion exchange resin with strong oxidizing agents; otherwise it will cause violent reactions.
In case of eyes contact with resins, rinse eyes immediately with plenty of water, and consult a specialist. Material and samples must be disposed according to local regulations.
Dry polymers will expand when become wetted and may cause an exothermic reaction. Spilled materials may be slippery.

SEPLITE® and Monojet™ are registered trademarks of Sunresin New Materials Co. Ltd., Xi`an

This information is general information and may differ from that based on actual conditions. For more information about SEPLITE® resins, please contact SUNRESIN® directly.

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