Petroleum Refinery Project Profile
CEMS data moved from the DCS to the Manufacturing Execution System (MES), to the historian and finally to spreadsheets for environmental reporting. NSPS Subpart Ja forced a change.
The driver for this project was regulatory, but the environmental and controls groups were also ready for a change. Before installing StackVision each monitored parameter had to be set up in the DCS and linked to the MES, with EPA-required calculations set up in one or both systems. Maintaining these calculations and editing them were excessively difficult.
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