Control and optimization of process for making ethylene oxide

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Reexamination Certificate

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Reexamination Certificate

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07851760

ABSTRACT:
The invention pertains to a method for controlling the Limiting Oxygen Value (LOV) of a reactor for producing ethylene oxide using a tunable diode laser. The sample to be tested is extracted. A method for controlling oxygen analyzer safety shutdown for a reactor for producing ethylene oxide using a tunable diode laser is also described.

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