| 초록 |
Commonly, combustion flue gas is temperature of 100-150 degrees centigrade with about 100-1000 ppm of nitrogen oxides and sulfur dioxide, each, and significantly oxygen-rich. An advantages of controlling combustion flue gas with carbonaceous materials is that not only are nitrogen oxides and sulfur dioxide removed but also other noxious substances, such as hydrogen fluoride, hydrogen chloride, mercury. And, because industrial water is not used, secondary pollution is not the outcome and useful by-products can be obtained during this process. To date reports relate that nitrogen oxidesious substance removal using virgin activated carbon based on the physical adsorption, results in low selective adsorptivity with the exception of volatile organic compounds. The recent related studies have reported that in adsorption conducted for nitrogen oxides and sulfur dioxide respectively using alkaline activated carbon, both showed higher selective adsorptivity, up to multiples of tens, than that of virgin activated carbon. |
