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SCR Design Considerations: Retrofit Challenges and Ratcheting Emissions Level Requirements

September 15, 2021

Selective catalytic reduction (SCR) projects often focus on the final NOx emissions levels achieved, but a successful project is about much more than that. Facility owners must consider the complete scope associated with an SCR installation, from supply chain issues and ultra-low NOx emissions levels to customization requirements associated with a given application’s pressure drop constraints and flow distribution. Selecting a single supplier to provide the entire SCR system design under one contract, wrapping all guarantees, can reduce overall project risk and cost. Petroleum refinery and power plant applications for SCR technology typically feature a number of characteristics that highlight the importance of an integrated approach to SCR design and installation.

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