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

Cherkasov, Nikolay; Al-Rawashdeh, Ma ’moun; Ibhadon, Alex O.; Rebrov, Evgeny V.


Nikolay Cherkasov

Ma ’moun Al-Rawashdeh

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Dr Alex Ibhadon
Reader in Catalysis and Reactor Engineering

Evgeny V. Rebrov



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.


Cherkasov, N., Al-Rawashdeh, M. ’., Ibhadon, A. O., & Rebrov, E. V. (2016). Scale up study of capillary microreactors in solvent-free semihydrogenation of 2‐methyl‐3‐butyn‐2‐ol. Catalysis Today, 273, 205-212.

Journal Article Type Article
Acceptance Date Mar 20, 2016
Online Publication Date Apr 12, 2016
Publication Date Sep 15, 2016
Deposit Date Mar 14, 2019
Publicly Available Date
Journal Catalysis Today
Print ISSN 0920-5861
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 273
Pages 205-212
Keywords Semihydrogenation; Catalytic coatings; Microreactor; Palladium; Alkynol; Acetylene
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