Method for transforming chemical structures in a fluid under...

C - Chemistry – Metallurgy – 02 – F

Patent

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C02F 11/08 (2006.01) B01J 3/00 (2006.01) B01J 3/04 (2006.01) B01J 19/00 (2006.01) B01J 19/24 (2006.01) C02F 1/36 (2006.01) C02F 1/461 (2006.01) C02F 1/467 (2006.01) C02F 1/02 (2006.01)

Patent

CA 2337272

The invention concerns a method for transforming chemical structures, that is a method for producing chemical reactions in a fluid under pressure and in high temperature in particular in a supercritical fluid, comprising a solvent and at least an electrolyte such as a salt, which consists in generating in situ by electrolysis reactive species. The invention is characterised in that the fluid flows upwards in a reservoir reactor (1) passing through a first lower electrolytic zone (6) with high solubility of the salts and a second upper zone (10) wherein the salts (11) precipitate, the salt-free fluid is evacuated to said reservoir reactor upper part (17) and sent into a second tubular reactor (2) to reach the desired degree of progression in its transformation.

L'invention est relative à un procédé de transformation de structures chimiques, c'est-à-dire un procédé pour réaliser des réactions chimiques dans fluide sous pression et en température en particulier dans un fluide supercritique, comprenant un solvant et au moins un électrolyte tel qu'un sel, dans lequel on génère in situ par électrolyse des espèces réactives. Selon l'invention, le fluide s'écoule de manière ascendante dans un réacteur réservoir (1) en traversant une première zone inférieure d'électrolyse (6) à solubilité élevée des sels et une seconde zone supérieure (10) dans laquelle les sels (11) précipitent, puis le fluide exempt de sels est évacué à la partie supérieure (17) dudit réacteur réservoir et envoyé dans un second réacteur tubulaire (2) pour atteindre le degré d'avancement de la transformation souhaitée.

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