Sepiolite has been made exchangable by chemical treatments and Mg2+ at the border of the channels has been substituted by Al3+. In this way sepiolite with mild acidity, controlled mesopore, and improved stability has been obtained. This material is active for gasoil cracking, giving a good bottom conversion, and light cycle oil products without excessive gas and coke formation. Meanwhile, it is active for vanadium passivation.
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