Device for the electrical processing of a fatty substance of plant origin comprising: - a series of electrodes comprising a number n of electrodes (1 and 2), where n ≥ 2, substantially parallel, each electrode being arranged to be connected to a high-voltage source and/or the ground, - a series of dielectric material elements comprising n+1 dielectric material elements substantially parallel to said electrodes (1 and 2) and placed on either side of each electrode (1 or 2) of the series of electrodes so that each electrode (1 or 2) is found between two dielectric material elements, - an enclosure arranged to receive said fatty substance, and surrounding said series of electrodes (1 and 2) and said series of dielectric materials, - an immersion device of said series of electrodes (1 and 2) and said series of dielectric materials arranged to submerge, at least partially, said series of electrodes (1 and 2) and said series of dielectric materials, the enclosure is further provided with: - at least one electrical connector placed on the outer surface of the enclosure, - a series of electrical connections comprising n electrical connections so as to connect each electrode of said series of electrodes to said electrical connector, each electrical connection having a predetermined current flow distance, the current flow distances of the electrical connections being equal to one another, - a first fatty substance inlet and a first fatty substance outlet, and - a second inlet for a first gas and a second outlet for a second gas, and in that said device further comprises: - a high-voltage source connected to said connector, - a filter having an inlet in fluidic connection with said first fatty substance outlet of the enclosure and an outlet in fluidic connection with said first fatty substance inlet of the enclosure. - a series of electrodes comprising a number n of electrodes (1 and 2), where n ≥ 2, substantially parallel, each electrode being arranged to be connected to a high-voltage source and/or the ground, - a series of dielectric material elements comprising n+1 dielectric material elements substantially parallel to said electrodes (1 and 2) and placed on either side of each electrode (1 or 2) of the series of electrodes so that each electrode (1 or 2) is found between two dielectric material elements, - an enclosure arranged to receive said fatty substance, and surrounding said series of electrodes (1 and 2) and said series of dielectric materials, - an immersion device of said series of electrodes (1 and 2) and said series of dielectric materials arranged to submerge, at least partially, said series of electrodes (1 and 2) and said series of dielectric materials, - at least one electrical connector placed on the outer surface of the enclosure, - a series of electrical connections comprising n electrical connections so as to connect each electrode of said series of electrodes to said electrical connector, each electrical connection having a predetermined current flow distance, the current flow distances of the electrical connections being equal to one another, - a first fatty substance inlet and a first fatty substance outlet, and - a second inlet for a first gas and a second outlet for a second gas, - a high-voltage source connected to said connector, - a filter having an inlet in fluidic connection with said first fatty substance outlet of the enclosure and an outlet in fluidic connection with said first fatty substance inlet of the enclosure.