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Cepsa to convert HF alkylation unit using UOP solid-bed technology

By Mary Page Bailey |

Honeywell (Morris Plains, N.J.; www.honeywell.com) announced that Compañía Española de Petróleos S.A.U. (Cepsa; Madrid, Spain; www.cepsa.com) will convert an alkylation unit using hydrofluoric acid (HF) to Honeywell UOP’s solid-bed Detal-Plus technology at its refinery in San Roque, Spain. The unit produces linear alkylbenzene (LAB), which is used to make a variety of different detergent formulations, including biodegradable household detergents.


Honeywell will provide catalysts and adsorbents, basic engineering design and other associated services for the complex. When completed in 2020, this project will mark the world’s first conversion of an HF alkylation unit to solid bed technology. With the conversion to Detal-Plus technology, the plant’s capacity will increase by 50,000 metric tons to 250,000 metric tons of LAB per year.


“The Detal-Plus technology is a highly efficient solid bed process for making detergent alkylate,” said John Gugel, president of Honeywell UOP. “It also has the added benefit of being far simpler to operate.”


The Detal-Plus technology, which was co-developed with Cepsa, is the first solid-bed technology with the flexibility to produce LAB for a variety of different detergent formulations. The heart of the process is Honeywell UOP’s new ZDA-30 series catalyst, which features higher activity and selectivity, making it more energy efficient.


“In addition to pioneering development of this technology with UOP, Cepsa is the world leader in the manufacture of LAB,” said Miguel Ángel Calderón, vice president, Technology at Cepsa. “This project allows us to revamp the Puente Mayorga plant at San Roque, so we can enhance its competitiveness, and apply this experience to our other installations around the world.”

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