Elevance Renewable Sciences and partners advance first-of-its-kind biorefinery technology

In collaboration with several partners, including Italian chemicals company Versalis under a strategic partnership that started in early 2014, Illinois, US-headquartered Elevance Renewable Sciences, Inc, a high-growth company that creates novel specialty chemicals from natural oils, has successfully completed scale-up of a second-generation biorefinery technology of the company’s olefin metathesis technology, utilising ethylene and natural oil feedstocks.

The ethenolysis process advancement represents an important milestone for the development of the first of its kind second-generation metathesis technology, enabling an enhanced product portfolio from natural oils metathesis.

Catalysts produced by Switzerland-based XiMo AG were used at Hungary-headquartered Soneas’s manufacturing facility in Budapest, Hungary. The run represented a scale up of 40,000 times what had been previously demonstrated in the laboratory and the largest ever usage of “Schrock” (Molybdenum/Tungsten) catalysts for metathesis with ethylene and a renewable oil.

XiMo AG, a company focused on the development and application of proprietary metathesis catalysts, and Elevance began working together in January 2011, carrying out successful demonstrations that make the Molybdenum- and Tungsten- catalysed metathesis of natural oil esters commercially competitive. Soneas, formerly known as Ubichem Pharma Manufacturing, is a professional chemical service provider with pilot and commercial scale manufacturing facilities.

The advancement was partially funded by and supports a wider strategic partnership between Versalis, the chemical subsidiary of Eni, and Elevance that includes the joint development of Elevance’s ethenolysis technology. This takes advantage of Versalis’s extensive skills in catalysis process development and engineering design and Elevance’s proprietary know-how regarding metathesis and associated engineering with the use of vegetable oils in producing specialty chemicals for premium applications. Meanwhile, Versalis and Elevance have also been collaborating for the implementation at the Versalis Porto Marghera site of a biorefinery based on Elevance proprietary technology of natural oils’ metathesis with 1-butene.

The ethenolysis tolling run was also partially funded by a grant from the United States Soybean Board given to Elevance for metathesis of soybean oil products, which were used as feedstocks for this project.


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