NOx and SOX Removal

The nitrous oxides (NOx) and sulfurous oxides (SOx) result from the combustion of any petroleum, coal, and natural gas fuels. Various industrial processes and almost a majority of the households employ natural gas for energy and heating purposes. Natural gas-fueled vehicles also are NOx and SOx producers. These compounds are the main contributors to the greenhouse effect and acid rain. Hence, it is imperative that methods have to be developed to save the environment and future generations from this problem. There are 

It is important for the engineer to know the chemistry of the formation of NOx gases (NO and N02) before designing front-end NOx reduction systems. 

Instead of ammonia, hydrogen may be used and the temperature can be lowered down to 750 C. In the NOxout process, removal of NOx is achieved by using chemical sprays to convert NOx to nitrogen, carbon dioxide, and water [78]. 

no production of scale-producing insoluble compounds in the scrubber 

noncorrosive to the scrubber components because the solution operates at a pH of 6-8. 

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