abstract |
Catalyst based on silica and sulfuric acid and its use in the catalytic alkylation of isobutane and/or isopentane in the presence of at least one olefin having 3 to 6 carbon atoms per molecule. The catalyst may contain an additive, e.g., B(OH)3, HBF4, H3PO4, FSO3H, CF3SO3H, SbF5, CF3COOH and SO3. |