Boots – shoes – and leggings
Patent
1990-10-26
1993-06-22
Cosimano, Edward R.
Boots, shoes, and leggings
73 191, G01N 700
Patent
active
052220320
ABSTRACT:
A system for monitoring the concentration of volatile material dissolved in a liquid such as a wastestream comprises a vessel including a liquid space containing the liquid and a head space containing gas disposed above the surface of the liquid. In a preferred embodiment, a liquid inlet is disposed in communication with the head space for injecting a stream of the liquid into the vessel at a sufficient velocity to creates bubbles and turbulence in the liquid, thereby enhancing the transfer of the volatile material from the liquid phase to the gas phase. A liquid outlet including a liquid outlet port formed in the vessel and a liquid discharge conduit disposed in communication with the liquid outlet port discharges the liquid from the vessel. An air pump and an exit conduit remove a portion of the gas contained in the head space from the vessel. An instrument measures the concentration of the material in the gas removed from the head space, and a computer converts this value to a liquid phase concentration value. In the preferred embodiment, a re-entry conduit re-introduces the gas into the vessel, thereby using the liquid sampled to continuously enhance the transfer of the material from the liquid phase to the gas phase.
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Cosimano Edward R.
E. I. Du Pont de Nemours and Company
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