NOx Emissions Reduction Technology for SCR
R.F. MacDonald Co. has patented a process for direct injection of urea in flue gas streams on boilers; urea is regarded as the safest reagent for use in the SCR process On Tuesday, Nov. 24, 2020 the U.S. Patent and Trademark Office issued the safest and simplest NOx-reduction process patent for packaged boilers. The patent...