FIELD: chemistry.
SUBSTANCE: high-frequency waveguide-type sensor is installed on the pipeline before entering the separator of the oil treatment unit, by means of which the current signals corresponding to the qualitative state of the residual water in the emulsion in the pipeline are received from the reflection at the oil/water interface. The received current signals are compared with the reference signal, which is set to the corresponding desired qualitative state of the residual water in the emulsion. By the result of comparing the signals, the amount of demulsifier supplied to the pipeline is corrected until the current signal equal to the reference signal is reached.
EFFECT: possibility of eliminating a demulsifier overdose in the automatic mode with a change in the physicochemical parameters of the emulsion, including its viscosity.
7 cl, 1 dwg
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