Foam detector and disruptor

Details Foam detector and disruptor Foam detector and disruptor

2005-05-17

2005-05-17

Smith, Zandra V. (Department: 2877)

Optics: measuring and testing

For light transmission or absorption

C096S102000

Reexamination Certificate

active

06894784

ABSTRACT:
An apparatus and method are disclosed to detect foam above a liquid sample in a sparge vessel, and disrupt any foam that may exist. The foam sensor includes an optical emitter and optical sensor coupled to a sparge vessel above the level of the liquid sample. Foam is detected if the light beam is attenuated or blocked. The foam disrupter provides thermal energy to raise the temperature of a surface in the sparge vessel to break up the foam, which may condense on the walls of the sparge vessel.

REFERENCES:
patent: 20020088823 (2002-07-01), Tabacchi et al.
patent: WO 0169264 (2001-09-01), None

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