Process and apparatus for automated regulation of sulphur produc

Details Process and apparatus for automated regulation of sulphur produc Process and apparatus for automated regulation of sulphur produc

1975-10-22

1976-06-15

Serwin, R. E.

Chemistry: physical processes

Physical processes

Crystallization

23230A, 23253A, 23515112, 423573R, G01N 700, C01B 1716

Patent

active

RE0288640

ABSTRACT:
A process for automated regulation of a unit producing sulphur by oxidation of hydrogen sulphide, in which the flow of gas carrying oxygen into the unit is regulated so as to keep an operating parameter, based on measurement of the sulphurous compound of the residual gases, level with a reference value.
It is characterized by the fact that the control signal, used to regulate the flow of gas containing oxygen at the unit inlet, is a combination of a signal based on measurements taken at the inlet, and representing the theoretical flow of this gas needed to keep the operating parameter at its reference level and another signal representing the correction needed in this flow to adjust the instantaneous value of the parameter to the reference level.
This process allow better control of the sulphur unit, with increased efficiency and reduced atmospheric pollution.

REFERENCES:
patent: 3026184 (1962-03-01), Karasek
patent: 3219415 (1965-11-01), Hensley
patent: 3312529 (1967-04-01), Evano
patent: 3424560 (1969-01-01), Carmassi et al.
Opeka PC., "The Oil and Gas Journal," May 2, 1966, pp. 86-89.

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