Snamprogetti

Snamprotetti S.p.a.

Giorgio Fusco

Ivano Miracca

Vincenzo Lagana

Francesco Saviano

An integrated process for producing iso-butene and alkyl tert-butyl ethers in which the iso-butene is obtained by dehydrogenation of iso-butane followed by purification by partial condensation plus absorption of residual vapor with a solvent, the alkyl tert-butyl ether being obtained by reacting the purified iso-butene product with the corresponding alcohol, the essential characteristic being that the solvent used for absorbing the iso-butene is part of the product alkyl tert-butyl ether itself and/or part of the corresponding alcohol used in the process.

Integrated process for producing iso-butene and alkyl tert-butyl ethers

A process for recovering power is disclosed, by which excess electric power is exploited for electrolyzing alkali metal hydroxides (molten) and the thusly obtained pure alkali metals are stored. When the demand of electric power becomes critical, the alkali metals are reconverted into their hydroxides and the reaction heat, along with the hydrogen produced in the reaction, is recovered to produce steam: the latter can be used either to produce electricity, or to use its heat, or both.

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Milan, Italy

Giorgio Fusco