Concentrator apparatus

Details Concentrator apparatus Concentrator apparatus

1982-08-26

1984-09-18

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Automatic analytical monitor and control of industrial process

55337, 60657, 60670, 159 1R, 436 38, G01N 3500

Patent

active

044723555

ABSTRACT:
A liquid sample subject to inclusion of impurities is concentrated by a predetermined concentration factor selected by an operator, with the concentrated sample being thereafter provided to an analyzer so that a meaningful chemical analysis may be performed. A first pump delivers the sample to a liquid reservoir at a first rate and the liquid is boiled to provide a liquid-vapor mixture, with the liquid portion of the mixture being returned to the reservoir by means of a vapor separator. Another pump delivers the concentrated reservoir fluid to an analyzer at a second flowrate, with the ratio of the flowrate of the first pump to the second pump being equivalent to the desired concentration factor. In another embodiment, a faster response time is attained by first boiling the input sample and providing the liquid which is separated from the liquid-vapor mixture to a relatively small reservoir.

REFERENCES:
patent: 2312570 (1943-03-01), Meier
patent: 4222997 (1980-09-01), Beecher
Liebman et al., Automatic Concentrator Gas Chromatography System, Amer. Lab., vol. 7., No. 9, (Sep. 75), pp. 21-26.

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