C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 2/14 (2006.01) C07C 2/08 (2006.01) C10G 50/00 (2006.01)
Patent
CA 2314799
A process is described for the production of hydrocarbons with a high octane number starting from hydrocarbon cuts containing isobutene by selective dimerization with acid catalysts, characterized in that the dimerization reaction is carried out in the presence of tertiary alcohols, alkyl ethers and primary alcohols in such a quantity as to have, in the feeding, a molar ratio tertiary alcohols + alkyl ethers + primary alcohols/isobutene higher than 0.1, a mo-lar ratio tertiary alcohols/isobutene lower than 0.2 and a molar ratio primary alcohols/isobutene lower than 0.2, preferably operating at a reaction temperature ranging from 30 to 120°C, at a pressure lower than 5 MPa and feeding space velocities of less than 30 h-1.
Di Girolamo Marco
Marchionna Mario
Tagliabue Lorenzo
Ecofuel S.p.a.
Robic
Snamprogetti S.p.a.
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