Importance

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Abstract

A method for operating a furnace includes: providing a furnace comprising feed materials, an oxygen-containing stream, and a fuel-containing stream; providing a virtual sensor including a model generated using inputs including condition data collected by a physical gas sensor previously arranged in the furnace; placing the virtual sensor in communication with the furnace; operating the furnace by a combustion reaction, where during operation of the furnace: the virtual sensor receives the further condition data; in response to receiving the further condition data, the virtual sensor, using the model, determines the combustion product based on the further condition data; and based on the determined combustion product, the virtual sensor sends a signal to the furnace to automatically adjust a flow rate of at least one input.

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First Claim