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Fakultät BCI

Hydroaminomethylation of methyl 10-undecenoate with integrated catalyst recycling via a thermomorphic multiphase system for the continuous production of renewable amines

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In our latest study, we have achieved remarkable results that pave the way for sustainable and efficient chemical processes. We are thrilled to announce the publication of our new research on "Thermomorphic Multiphase System (TMS) for Hydroaminomethylation (HAM) of Renewable Methyl 10-Undecenoate." in Sustainability (RSCSustainability)

Key Highlights:

  • Continuous operation in a miniplant for over 90 hours, showcasing stable selectivity towards the desired amine product at 80%.
  • Integration of TMS with an OSN membrane for continuous separation of by-product water, crucial for achieving outstanding results.
  • Maintenance of water concentration below 4% in the recycle stream, resulting in minimal undesired aldol condensate formation (only 3% after 90 hours).
  • Remarkably low catalyst leaching: only 2.5% loss of rhodium and 0.4% loss of SulfoXantphos ligand over 90 hours of continuous operation.
  • Minimal loss of rhodium via TMS and OSN, with a mere 6 ppm per produced desired amine product.

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