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Abstract

Device for mixing and distributing fluids for a downflow catalytic reactor, comprising:

a collecting zone (A) comprising a collecting means (5);a substantially vertical collecting pipe and at least one injection means (8) opening into said collecting pipe;a mixing zone (B) comprising a fluid mixing chamber (15) of length L1, said mixing zone (15) comprising a first end in communication with said collecting pipe and a second end in communication with a fluid exchange chamber (16) of length L2, situated beneath said mixing chamber (15), the length L2 of said exchange chamber (16) being strictly greater than the length L1 of said mixing chamber (15);a distribution zone (C), situated beneath the mixing zone (B), comprising a distribution plate (12) that carries a plurality of chimneys (13), and a plurality of horizontal panels (33), situated above or on the chimneys (13).

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First Claim