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Isoparaffin:olefin alkylation process

Image Number 2 for United States Patent #5095167.

The present invention provides a process and apparatus for alkylating an isoparaffin with an olefin which decreases the required catalyst inventory while improving alkylate quality by internally admixing unreacted isoparaffin and alkylate product with the isoparaffin:olefin reactant stream in the draft tube of a decantation reaction vessel.

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