C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 9/16 (2006.01) B01J 19/08 (2006.01) C07C 2/62 (2006.01)
Patent
CA 2310858
A device is disclosed for the production of alkylate(s) by sulfuric acid alkylation of at least one isoparaffin such as isobutane with at least one olefin, such as butylene. The device includes a mixing chamber for preparing a mixture of the isoparaffin with recycled reaction products. It also includes an emulsion chamber for preparing a first hydrocarbons-in-sulfuric acid emulsion, where the mixture prepared in the mixing chamber is injected in multiple parallel jets into a sulfuric acid composition. The device further includes a pre-reaction chamber for preparing a second emulsion, where a given portion of the olefin is injected in jet streams into the first hydrocarbons-in-sulfuric acid emulsion coming from the emulsion chamber. Last of all, the device includes a reaction chamber of given height and cross-section where the second emulsion coming from the pre-reaction chamber is injected through nozzles and another portion of olefin is injected in jet streams all over the cross-section and height of the reaction chamber. The reaction chamber is devised so that the second emulsion is circulated ion a closed circuit and it has an outlet through which a balanced amount of reaction mixture is continuously discharged. All of said mixing chamber, emulsion chamber, pre-reaction chamber and reaction chamber are coaxially arranged one above the other in vertical position and altogether form a reactor with the prechamber being located at the bottom of the reactor and the reaction chamber on top thereof. A method for the production of alkylates by means of said device is also disclosed.
Guerchouni Semen
Robic
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