Process for the Separation of C5 Hydrocarbons Present in Streams Prevalently Containing C4 Products Used for the Production of Highoctane Hydrocarbon Compounds By the Se-Lective Dimerization of Isobutene
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
Nov 13, 2006
filing date -
Nov 17, 2005
priority date (Note) -
Abandoned
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Abstract
A process is described for the separation of C.sub.5 hydrocarbons present, in a quantity ranging from 0.2 to 20% by weight, in streams prevalently containing C.sub.4 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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