Complete HF Monitoring Solutions for Primary Aluminum Smelters

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Courtesy of Boreal Laser Inc.

Aluminium smelting generates large amounts of hydrogen fluoride gas (HF). Worker safety and ambient air quality
concerns require that HF be monitored at several locations in smelters.

Historically, a variety of methods have been used for HF monitoring. Cassette samplers and wet chemistry techniques, coupled with complex and expensive sampling manifolds have monitored roof-line and scrubber duct HF levels. In recent years, open path infrared detectors have been used in rooflines, and laser HF monitors have shown promise for both open path and duct monitoring.

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