Praxair, Valero implement CONOx emissions control technology in Oklahoma, US

Praxair, Valero implement CONOx emissions control technology in Oklahoma, US

5:13 AM, 23rd April 2013
Praxair, Valero implement CONOx emissions control technology in Oklahoma, US

DANBURY, US: Praxair Inc and Valero have successfully implemented Praxair’s new CONOx emissions control technology at Valero’s refinery in Ardmore, Oklahoma, US. This technology has helped the refinery meet its fluid catalytic cracking (FCC) unit nitrogen oxide reduction target without requiring a shutdown for installation. FCC units convert petroleum crude oil feedstocks into more valuable products like gasoline.

The CONOx lance installed in the FCC operated reliably over a wide range of conditions and met the refinery's NOx reduction requirements. The CONOx lance is a unique approach to NOx reduction. Praxair offered Valero this innovative, low-capital NOx solution that did not involve reduced charge rate or more expensive feedstock. Timing was critical and the simplicity of the system allowed for faster installation to meet Valero’s requirement.

“Praxair refining specialists have collaborated with refiners for decades and have extensive knowledge of FCC units. As one of the world’s leading industrial gas companies, we have many successful oxygen enrichment installations in refineries. Our experience enabled us to implement FCC improvements with minimal downtime and an ever-present focus on safety,” said Subodh Ganguly, Director, Refinery and Hydrogen Applications, Praxair.

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