Continuous oil concentration monitor

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive

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23230HC, 23230M, 250301, 422 62, 422 81, G01N 2126, G01N 2134, G01N 3318

Patent

active

042074509

ABSTRACT:
Apparatus for continuously monitoring the concentration of oil in a stream f water meters carbon tetrachloride through a first infrared analyzer to generate a reference signal, mixes the carbon tetrachloride with a sample stream of oily water to extract the oil, then separates and passes the oil containing carbon tetrachloride through a second infrared analyzer that is zeroed by the reference signal. The sample water stream is returned to the main flow and the carbon tetrachloride is reclaimed and recycled.

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patent: 4103162 (1978-07-01), Iwamoto et al.

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