| 摘要 |
<p>1465856 NO reduction EXXON RESEARCH & ENG CO 27 Feb 1974 [16 March 1973] 8861/74 Heading C1A NO in combustion gas is chemically reduced by contacting with 0À4-10 moles of NH 3 per mole NO in the presence of oxygen and of a substance which is gaseous and readily oxidized below 1600‹ F., the contacting being performed at 1300-2000‹ F. NH 3 may be provided by a precursor, such as a solution of NH 3 , ammonium formate, oxalate or carbonate, and the reducing material may be H 2 , a paraffin, olefine or aromatic hydrocarbon, sulphonated hydrocarbons, CO, and organic hydrocarbons containing O or N.</p> |
