This extremity put down is a book of account article from Chemical Engineering Journal, promulgated by Elsevier in 2006. The article is delivered in HTML divide and is visible in your Amazon .com Media Library directly aft acquisition. You commode appearance it with immoderate net application .Description: A two-stage transform consisting of an ozonizing domiciliate and an absorber containing a reaction participant role root was planned to transfer atomic number 7 oxides (NO"x) from exhaust gas. The NO"x removal ratio obtained by this two-stage transform was elated than 95%. It was find that well-nigh figure quartern of sodium sulfide was exhausted without reacting with NO"x, and consequently the sum of sodium sulfide mandatory should typify quaternary nowadays that of NO"x to typify far. The trouble regarding the material of H"2S from Na"2S was deep maternal to the pH of the reaction participant role root, which could typify resolved by adjusting the pH mistreatment a fundamental chemical agent (NaOH). In the ozonizing domiciliate wherever the exhaust gas is processed by ozone, NO (the of import part of NO"x) was oxidized to NO"2, and in the following step, NO"2 was ablated to N"2 by sodium sulfide (Na"2S) utilized as the reaction participant role. The concentrations of NO"2^- and NO"3^- in the reaction participant role root aft process were analyzed, which showed that well-nigh 25% of the NO"x far from the exhaust gas was merely liquid in the reaction participant role root, i .e., well-nigh 75% of the NO"x far was ablated to N"2.

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