Jang, Ha-Na Back, Seung-Ki Sung, Jin-Ho Jeong, Bup-Mook Kang, Youn-Suk Lee, Chul-Kyu Jurng, Jongsoo Seo, Yong-Chil 2024-01-20T02:02:20Z 2024-01-20T02:02:20Z 2021-09-01 2017-03 0256-1115 https://pubs.kist.re.kr/handle/201004/122994 Coal combustion emits large amounts of elemental mercury that cannot be captured by air pollution control devices such as flue gas desulfurization because of its insolubility. Therefore, technological advances are necessary for capturing elemental mercury. We conducted various tests on adsorption of elemental mercury using KI-, HCl-, and S-impregnated activated carbons, which were compared with virgin activated carbon. Tests with virgin activated carbon revealed that the optimal adsorption temperature for capturing elemental mercury was 363 K. The adsorption efficiency for elemental mercury was nearly 100% using activated carbon impregnated with 1% and 5% KI and 1%, 5%, and 10% HCl. Through kinetic analyses of the impregnated activated carbons, the optimal equilibrium adsorption capacities of KI-, HCl-, and S-impregnated activated carbons for mercury were determined to be 333.3, 333.3, and 256.4mg/g, respectively, by using a pseudo second-order kinetic model. English KOREAN INSTITUTE CHEMICAL ENGINEERS METHYLENE-BLUE REMOVAL GAS Adsorption and kinetics of elemental mercury vapor on activated carbons impregnated with potassium iodide, hydrogen chloride, and sulfur Article 10.1007/s11814-016-0305-1 1 KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.34, no.3, pp.806 - 813 KOREAN JOURNAL OF CHEMICAL ENGINEERING 34 3 806 813 scie scopus kci ART002202077 000396057100025 2-s2.0-85008474038 Chemistry, Multidisciplinary Engineering, Chemical Chemistry Engineering Article METHYLENE-BLUE REMOVAL GAS Elemental Mercury Mercury Adsorption Mercury Kinetic Analysis Equilibrium Adsorption Capacity Initial Sorption Rate