Multi-layer coil assembly coaxially mounted around the rotary ax

Details Multi-layer coil assembly coaxially mounted around the rotary ax Multi-layer coil assembly coaxially mounted around the rotary ax

1983-03-14

1985-07-30

Fisher, Richard V.

Liquid purification or separation

With means to add treating material

Chromatography

210511, B01N 1508

Patent

active

045320390

ABSTRACT:
A horizontal flow-through apparatus for countercurrent chromatography consisting of a horizontal multi-layer helically coiled column coaxially carried on a flanged spool which is rotated around its own axis in a frame which is simultaneously rotated by a motor about the same main axis. The column assembly rotates at a rate twice that of the rotary frame in the same direction, the arrangement being such that the inlet and outlet flow tubes are twist-free. The effluent through the outlet tube of the column is continuously monitored by a UV monitor and then fractionated into test tubes by a fraction collector. The apparatus is driven by the motor, which is drivingly connected to the frame on the main axis, and the column assembly is driven by gearing via a countershaft journalled in the frame and having a toothed pulley drivingly coupled by a toothed belt to a fixed toothed pulley coaxial with the column.

REFERENCES:
patent: 3856669 (1974-12-01), Ito et al.
patent: 4051025 (1977-09-01), Ito
patent: 4058460 (1977-11-01), Ito
patent: 4228009 (1980-10-01), Ito
patent: 4321138 (1982-03-01), Ito
patent: 4324661 (1982-04-01), Ito
patent: 4430216 (1984-02-01), Ito
Ito, Y., J. of Chromatography "New Continuous Extraction Method with a Coil Planet Centrifuge," 207 (1981) 161-169.

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