Oxygen control system for oxygen enhanced combustion

A method for operating a combustion process comprising:

• providing a combustion system having a plurality of burner elements, a plurality of gas injection points and a controller;
• determining priority of one or more tasks for operation of the combustion system;
• determining a support gas flow available to the plurality of gas injection points;
• determining a composite ranking for each of the gas injection points based on the priority of the one or more tasks, wherein each of the gas injection points has a predetermined rank for each task;
• computing a support gas flow for each of the gas injection points based on the composite rankings;
• using the controller to allocate the support gas to the gas injection points in response to the composite ranking determined for each of the gas injecton points and the available support gas flow, wherein when the available support gas flow is less than a sum of the support gas flow computed for each of the gas injection points, the controller allocates the support gas to the gas injection points in order of composite ranking from highest to lowest;
• and
• delivering support gas to each of the injection points as allocated by the controller.