Polymeric Catalyst Resins

Thermax offers Specialty Tulsion® range of insoluble, polymeric catalysts for various processes in different industries. Tulsion® catalyst resins are available in hydrogen form as well as in hydroxyl form. The former is used as catalyst for reactions that are normally catalysed by mineral acids where the latter is used for base catalysed reactions. Ion exchange resins are widely used as catalysts in heterogeneous catalysis.

Tulsion® catalyst can be used in agitated reactors as well as in continuous fixed bed reactors.

Advantages of Tulsion® Catalysts over Homogeneous Acid Catalysts

Being solid, Tulsion® resin catalysts are heterogeneous in nature and poses advantages over homogeneous catalysts as given below:

  • Ease of separation from reaction mixtures hence suitable for continuous reactions
  • No necessity to neutralize or concentrate the catalyst
  • Can be re-used over number of process cycles
  • Elimination of waste disposal problems
  • Higher selectivity to the desired product and fewer byproducts
  • Clean and safe processes with desired rate of reaction and higher yields
Advantages of Tulsion® Catalysts
  • Wider chemical process coverage
  • High process selectivity
  • Excellent chemical and physical stability that offers longer life
  • Robust to withstand mechanical, thermal, osmotic jolts and variation in process conditions during operations
  • High compatibility for non aqueous and aqueous processes
  • Supplied in dry as well as in wet form
  • Proven globally
Applications of Tulsion® catalyst
  • Bisphenol – A (BPA)
  • Dodecylphenol, Nonylphenol
  • Tert- butylphenol
  • Cumene
  • 2-ethylhexenal
  • Decomposition of Cumene hydroperoxide
  • Isobutylene by de-hydration of tert-butenol
  • Dimerisation of isobutylene, isoamylene, a – methylstyrene
  • Methyl acetate, Ethyl acetate
  • MTBE
  • ETBE
  • TAME
  • Methyl acetate hydrolysis to produce methanol and acetic acid
  • Fatty acid esters
  • Isobornyl Acetate
  • Acrylates
Process catalysed by Tulsion® catalysts
  • Alkylation of Phenolss
  • Alkylation of aromatic hydrocarbons
  • Esterification
  • Transesterification
  • Acetalisation or Ketalisation
  • Aldol condensation
  • Condensation
  • Knovenagel condensation
  • Etherification
  • Hydration of olefins
  • Hydrolysis
  • Polymerisation and isomerisation
  • Dimerisation
  • Hydrogenation
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