초록 |
In modern society, Air pollution is becoming moreserious due to the air pollutant generated from combustion of fossil fuels. Among the substances that cause air pollution, nitric oxide (NO) is known to have anadverse effect on the environment, and it resulted acid rain and photochemicalsmog. Thus, NO must be removed before it is released into atmosphere. In this study, we remove NO at low temperature using metal complex wet absorption method and regenerate the metal complex for effective process. In order to increase the low solubility of NO, it was directly absorbed using Fe(II)EDTA. After absorption of NO, Fe(II)EDTA is concerted to Fe(II)EDTA-NO which doesn't have the ability to absorb NO. We increased the NO absorption efficiency byregenerating Fe(II)EDTA-NO using three reducing metal agent. We confirmed that not only Fe(II)EDTA shows high NO absorption efficiency at low temperature but also zinc metal shows excellent regeneration performance within a short period. |