Emerson wireless enables NOx standard compliance

Emerson Process Management Smart Wireless technology has enabled CalPortland to comply with air-quality emissions requirements at its cement plant, despite rotating equipment and harsh conditions.

The CalPortland installation includes Emerson self-organising wireless network of field instrumentation that monitors the process used to reduce NOx emissions inside a rotating cement kiln at the facility.

The wireless network includes four of Emerson Rosemount wireless temperature transmitters, one wireless DP transmitter and a Smart Wireless Gateway.

The company uses a Selective Non-Catalytic Reduction (SNCR) process of spraying ammonia into the kiln to control NOx emissions.

The DP transmitter was installed on the injection shroud to measure the low vacuum inside the kiln.

The temperature transmitters were installed at different locations around the kiln, while the self-organising network transmits signals to a Smart Wireless Gateway.

Emerson offers a range of wireless field instrumentation and plant operations equipment, including Fisher position monitors, Rosemount Analytical and Machinery Health Management devices, and native wireless interfaces to AMS Suite predictive maintenance software, DeltaV digital automation systems and SmartStart Services.

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