Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol

Nikolay Cherkasov, Ma ’moun Al-Rawashdeh, Alex O. Ibhadon, Evgeny V. Rebrov (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

28 Citations (Scopus)


A 2.5 wt.% Pd/ZnO catalytic coating has been deposited onto the inner wall of capillary reactors with a diameter of 0.53 and 1.6 mm. The coatings were characterised by XRD, SEM, TEM and elemental analysis. The performance of catalytic reactors was studied in solvent-free hydrogenation of 2-methyl-3-butyn-2-ol. No mass transfer limitations was observed in the reactor with a diameter of 0.53 mm up to a catalyst loading of 1.0 kg(Pd) m−3. The activity and selectivity of the catalysts has been studied in a batch reactor to develop a kinetic model. The kinetic model was combined with the reactor model to describe the obtained data in a wide range of reaction conditions. The model was applied to calculate the range of reaction conditions to reach a production rate of liquid product of 10–50 kg a day in a single catalytic capillary reactor.

Original languageEnglish
Pages (from-to)205-212
Number of pages8
JournalCatalysis Today
Publication statusPublished - 15 Sep 2016


  • Acetylene
  • Alkynol
  • Catalytic coatings
  • Microreactor
  • Palladium
  • Semihydrogenation


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