Chemistry: physical processes – Physical processes – Crystallization
Patent
1976-09-03
1978-01-24
Serwin, R.E.
Chemistry: physical processes
Physical processes
Crystallization
23255E, 23232E, 73 27R, G01N 2536, G01N 2530
Patent
active
040701573
ABSTRACT:
A method and apparatus for detecting changes in the composition of a stream of gas. In particular the method comprises the step of disposing a thermometer in the gas stream, in contact with or downstream of a catalyst so as to detect changes in the temperature of the catalyst or of the gas shortly after it leaves the catalyst, such changes being a function of the amount of gas which reacts under the influence of the catalyst.
REFERENCES:
patent: 3478579 (1969-11-01), Whitmore et al.
patent: 3567388 (1971-03-01), Kapff
patent: 3586486 (1971-06-01), Kim et al.
patent: 3595621 (1971-07-01), Andreatch
patent: 3674436 (1972-07-01), Geul
patent: 3864083 (1975-02-01), Green
Johnson Matthey & Co., Limited
Serwin R.E.
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