Sampler for chemical vapors

Details Sampler for chemical vapors Sampler for chemical vapors

1990-02-12

1991-04-30

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55235, 55270, 7386311, 7386312, 7386321, B01D 4700

Patent

active

050115170

ABSTRACT:
An instrument for removing chemical vapors from air and concentrating the chemical vapors in a liquid scrubbing medium has been invented. A cylindrical receptacle receives a preselected amount of scrubbing liquid. Air is pulled tangentially into the cylinder through an inlet slit and swirls toward the cylinder top, carrying the liquid with it so that the cylinder wall is coated with the liquid. At the end of a sampling cycle, the air flow is shut off and the liquid is allowed to settle before being drained off for analysis. A cleaning cycle between sampling cycles is possible, during which the cylinder can be heated by an electrical heater cable.

REFERENCES:
patent: 901010 (1908-10-01), Jacobs
patent: 2987921 (1961-06-01), Kraftson
patent: 3324632 (1967-06-01), Berneike et al.
patent: 4479379 (1984-10-01), Tarcy

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