2. Industrial processes
Today, more than 200 isomerization units are in operation around the world. These units operate either with second-generation catalysts (platinum on mordenite) or, for the most part, with third-generation catalysts (platinum on chlorinated alumina). Only processes using third-generation catalysts are currently capable of isomerizing n-butane, which is less reactive than its higher homologues.
In the current refining environment, the isomerization process has become essential and is proving to be a strategic process. Indeed, with increasingly stringent regulations surrounding gasoline formulation (no more lead, limits on aromatic compounds, particularly benzene, olefin content, and sulfur compounds, while maintaining a high octane level), the isomer produced in isomerization units (free of aromatics, olefins, and sulfur) is an ideal diluent for other fuel bases and...
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Industrial processes
Bibliographic references
Available for consultation in our document databases
GUISNET (M.) – Acid-base catalysis
GUISNET (M.) – . Heterogeneous catalysis. Mode of action of catalysts.
MACACHE (C.) – . Heterogeneous catalysis in industrial processes.
FOURNIER (G.) and JOLY (J.-F.) – Catalytic reforming
TORCK (B.) – Alkylation of olefins by paraffins...
Patents
The main patents relating to paraffin isomerization are cited in the bibliographical references. .
You may also consult:
"High activity isomerization catalyst and process." United States Patent No. 6881873, issued on April 19, 2005.
"Fractionation of paraffin isomerization process...
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