Chromatography column distribution system

Details Chromatography column distribution system Chromatography column distribution system

B - Operations, Transporting

01

D

B01D 15/08 (2006.01) G01N 30/60 (2006.01)

Patent

CA 2539574

A chromatography column distribution system (101) comprises a set of first bed support ribs (107) extending radially from a inner, first radial position (R1) near the centre of the plate to a outer radial position nearer to the periphery (109) of the plate and at least one set of intermediate bed support ribs (117, 119) starting at an intermediate radial position (R2, R3) and extending to an outer radial position nearer to the periphery (109) of the plate (101), whereby channels are formed between adjacent bed support ribs (107, 117, 119). The desired effective local channel height is intended to vary in accordance with a predetermined formula from said first radial position (R1) to said outer radial position, and in accordance with the present invention the transverse cross-sectional areas of said ribs (107, 117, 119) or said channels are adapted such that the actual local effective channel height is within 15% of the desired local effective channel height over portions of the distribution system situated between said first radial position (R1) and said outer radial position, wherein the total length of said portions correspond to at least 80% of the distance between said first radial position (R1) and said outer radial position.

Cette invention se rapporte à un système de distribution de colonne chromatographique (101), qui comprend un groupe de premières nervures de support de lit (107) s'étendant radialement depuis une première position radiale interne (R1) proche du centre de la plaque jusqu'à une position radiale externe plus proche du pourtour (109) de la plaque, et au moins un groupe de nervures de support de lit intermédiaires (117, 119) s'étendant à partir d'une position radial intermédiaire (R2, R3) jusqu'à une position radiale externe plus proche du pourtour (109) de la plaque (101), de telle sorte que des canaux se froment entre des nervures de support de lit adjacentes (107, 117, 119). La hauteur locale effective souhaitée des canaux est amenée à varier en fonction d'une formule prédéterminée à partir de cette première position radiale (R1) jusqu'à cette position radiale externe et, conformément à l'invention, les sections transversales des nervures (107, 117, 119) ou des canaux sont conçues pour que la hauteur locale effective des canaux ne dépasse pas 15 % de la hauteur locale effective souhaitée des canaux sur des parties du système de distribution situées entre la première position radiale (R1) et la position radiale externe, de telle sorte que la longueur totale de ces parties correspond à au moins 80 % de la distance entre la première position radiale (R1) et la position radiale externe.

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