products used for the production of high-octane hydrocarbon compounds by the selective dimerization of isobutene
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United States of America Patent
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Apr 14, 2020
Grant Date -
Aug 13, 2015
app pub date -
Jan 5, 2015
filing date -
Nov 17, 2005
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Abstract
A process is described for the separation of C5 hydrocarbons present, in a quantity ranging from 0.2 to 20% by weight, in streams prevalently containing C4 products used for the production of high-octane hydrocarbon compounds, by the selective dimerization of isobutene, characterized in that the dimerization reaction is carried out in the presence of linear and branched alcohols and alkyl ethers in a quantity which is such as to have a molar ratio alcohols/alkyl ethers/isobutene in the feeding higher than 0.01.
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