Selective hydrogenation is the technology of choice for the purification of highly valuable olefinic and aromatic streams produced by steam crackers and FCC units.
Axens Solutions’ latest generation of high performance selective hydrogenation catalysts is the result of apowerful R&Dat both lab and pilot scales,state-of-the-art alumina carriersandcutting edge metal impregnation technologies.
High activity, excellent regenerability and highly competitive cost-to-fill are among the key advantages of this latest generation of selective hydrogenation catalysts. This latest generation of catalysts includesLD 485(Pd-based),LD 465(Pd-based),LD 541(Ni-based),LD 551(Ni-based), mainly for first stage pygas hydrogenation, andHR 606(CoMo) for second stage pygas hydrogenation.
Typical pygas upgrading scheme
Axens Solutions’ received avery positive feedback from the marketfor these catalysts including head-to-head comparisons in industrial unit operation and several repeat orders. This success is confirmed by their rapidly growing reference lists.
The100th Award of Axens Solutions’ latest generation of high performance selective hydrogenation catalystsis the result of a close collaboration withGalp, an important actor in the European refining market. In the context of a catalyst replacement in a Galp C4selective hydrogenation unit using historically palladium-based catalysts, Axens Solutions recommended as a novel approach to loadLD 541, a nickel-based catalyst, due to specificities in feedstock and operation of this particular unit.
This 100th award performs successfully in terms of butene-2 maximisation and butadiene conversion, and is also the first reference for LD 541 (multi-awarded in first stage pygas hydrogenation) in aC4hydrogenationunit.
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