Method for producing butadiene from ethanol with optimised in situ regeneration of the catalyst of the second reaction step

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United States of America Patent

PATENT NO 11731918
SERIAL NO

17415811

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Abstract

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The present invention relates to a process for producing butadiene from ethanol, in two reaction steps, comprising a step a) of converting ethanol into acetaldehyde and a step b) of conversion into butadiene, said step b) simultaneously implementing a reaction step and a regeneration step in (n+n/2) fixed-bed reactors, n being equal to 4 or a multiple thereof, comprising a catalyst, said regeneration step comprising four successive regeneration phases, said step b) also implementing three regeneration loops.

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Patent Owner(s)

Patent OwnerAddress
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINCLERMONT-FERRAND
IFP ENERGIES NOUVELLESRUEIL-MALMAISON

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dastillung, Rejane Rueil-Malmaison, FR 15 118
Drobyshev, Kirill Rueil-Malmaison, FR 5 2
Gabelle, Jean-Christophe Rueil-Malmaison, FR 8 2
Rolland, Matthieu Rueil-Malmaison, FR 10 46

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