Revolutionary Breakthrough Evonik, Likat Identify New Process Options for Hydroformylation

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Evonik and the Leibniz Institute for Catalysis (Likat) have discovered a new type of hydroformylation. The research team revealed that the important reaction can also work at low pressures with a stable catalyst. The discovery can also lead to the cost effective and sustainable production of aldehydes and alcohols.

Marl/Germany – A research team involving Evonik and the Leibniz Institute for Catalysis (Likat), has made another breakthrough in the field of hydroformylation. Hydroformylation is one of the most important reactions in industrial organic chemistry. Unsaturated compounds are converted into aldehydes and alcohols using synthesis gas.

Until recently, the scientific consensus was that this reaction, if catalyzed with cobalt, could only be carried out under high pressure conditions without the catalyst decomposing. This was disproved by Professor Dr. Robert Franke, head of hydroformylation research at Evonik, together with research partners from Likat, Dr. Baoxin Zhang and Dr. Christoph Kubis. "With this discovery, we have identified new process options for hydroformylation," said Dr. Franke, who is also a professor of chemistry at Ruhr University in Bochum. "In the future, it may be possible to make this large-scale reaction much more economical and environmentally friendly. Developing these processes will be our task for the next few years."

The researchers succeeded in demonstrating, for the first time, that cobalt carbonyls - very inexpensive compounds for the catalysis of hydroformylation - are active and stable even at low pressures. The key to this discovery was the development of special spectroscopic measurement methods and associated mathematical tools for data evaluation.

High-pressure processes that use cobalt carbonyls as catalysts could be replaced in the future by new processes with lower pressures. These new processes would then be more cost-effective, energy-efficient and thus more sustainable. At Evonik, this would have an impact on the production of long-chain alcohols such as the oxo alcohol isononanol (INA), which is used, among other things, to manufacture plasticizers.

Due to the particular importance of this discovery, the renowned journal Science published the results of the project.

Link to the https://www.science.org/stoken/author-tokens/ST-725/full

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