Homogeneously catalyzed hydroamination in a Taylor–Couette reactor using a thermormorphic multicomponent solvent system

T. Färber, O. Riechert, T. Zeiner, G. Sadowski, A. Behr, A. J. Vorholt*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In order to design an innovative continuous process for the conversion of the renewable β-myrcene, three methodical steps are shown in this paper to find a setup for the demanding homogeneously catalyzed hydroamination. First step is the theoretical and practical design of a suitable thermomorphic multicomponent solvent (TMS)-systems for recycling the catalyst system. The necessary phase equilibria were successfully investigated by modelling using the Perturbed Chain – Statistical Associating Fluid Theory (PC-SAFT) and measuring liquid–liquid equilibria of the ternary systems substrates/solvents mixtures at the separation temperature. In the next step the promising TMS-system was subsequently used to investigate the recycling of the catalyst in continuous operation. A Taylor–Couette reactor (TCR) was developed and modified for the application in homogeneous transition metal catalysis. The reactor was integrated in a miniplant setup and a continuous recycling of the catalyst phase as well as an efficient synthesis of the desired terpenyl amines is achieved in 3 complete cycles. The results show that the TCR is suitable for the hydroamination and generates high conversion and yields (XMyr = 82%, YHA = 80%). Recycling experiments were conducted successfully in the miniplant setup to show the long-term operation in a period of 24 h.

Original languageEnglish
Pages (from-to)263-273
Number of pages11
JournalChemical Engineering Research and Design / A
Publication statusPublished - 1 Aug 2016


  • Catalyst recycling
  • Homogeneous catalysis
  • Hydroamination
  • Miniplant
  • Reactor design

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)


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