Apparatus and method for exchanging substances between fluids

Details Apparatus and method for exchanging substances between fluids Apparatus and method for exchanging substances between fluids

1987-05-15

1988-09-27

Marcus, Michael S.

Chemistry: analytical and immunological testing

Including chromatography

55 67, 210656, 210709, 210742, 436 53, 436178, G01N 3008, G01N 3508

Patent

active

047741902

ABSTRACT:
Apparatus and method are provided for the exchange of substances between substance carrier and recovery fluids in predetermined carrier/recovery fluid volumetric ratios, and operate through the vaporization of the carrier fluid in a separation chamber to separate the substance therefrom at a separation zone therein and effect the deposition and accumulation of the substance in a relatively narrow band, and the subsequent recovery of the substance band form the separation chamber by the substance recovery fluid. Correlation of the carrier fluid flow rate into the separation chamber, and the separation chamber temperature, is effective to determine the location of the substance band in the separation chamber. Segmentation of the substance carrier and recovery fluids materially increases the efficiency of the separation and recovery processes. The apparatus and method are particularly adapted for high operational rate operation on an automated basis; and are adapted for operation on a batch basis.

REFERENCES:
patent: 3199956 (1965-08-01), Ferrari
patent: 3457708 (1969-07-01), Deford
patent: 3728845 (1973-04-01), Haruki et al.
patent: 3735565 (1973-05-01), Gilby

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