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| Number | Title | Issue Date |
| 7815881 | Selective catalytic reduction of NOenabled by urea decomposition heat-exchanger bypass Disclosed are a process and apparatus for selective catalytic reduction of NOx. The process is enabled by bypassing a heat exchanger section, such as an economizer, of the boiler in advance of an SCR unit at low load conditions to enable NOx re... | 10/19/2010 |
| 7615200 | Selective catalytic reduction of NOenabled by urea decomposition in heat-exchanger bypass Disclosed are a process and apparatus for selective catalytic reduction of NOx. The process is enabled by passing a heat exchanger section, such as an economizer, of the boiler in advance of an SCR unit at low load conditions to enable NOx redu... | 11/10/2009 |
