Dew point analyzer

Details Dew point analyzer Dew point analyzer

1988-11-02

1990-08-07

Cuchlinski, Jr., William A.

Thermal measuring and testing

Transformation point determination

By change in optical property

374 18, 374 28, G01N 2502

Patent

active

049462881

ABSTRACT:
The dew points of condensible hydrocarbon and water in a gas stream are determined independently in a single run by observing changes in intensity of light scattered from a mirror surface which is cooled to below both of the dew points. A decrease in intensity denotes the hydrocarbon dew point while an increase in intensity denotes the water dew point. The apparatus is simple and operates automatically. The mirror surface has a first polished and highly reflective portion and a second, roughened, less reflective portion. The intensity of scattered light is preferably monitored separately for each mirror portion.

REFERENCES:
patent: 2733594 (1956-02-01), Silverman
patent: 3623356 (1971-11-01), Bisberg
patent: 4216669 (1980-08-01), Harding
patent: 4240284 (1980-12-01), Nguyen
patent: 4345455 (1982-08-01), Hayes
patent: 4799235 (1989-01-01), Bannell et al.

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