CAJ | 학술논문

活性炭纤维（ACF ）先经过硝酸处理形成ACFN ，以锰氧化物为活性成分，CeO2／ACFN为载体，采用浸渍法制备一系列不同物质的量比的Mn－Ce／ACFN催化剂。研究不同含量Fe的加入对Mn－Ce／ACFN的低温还原NO活性的影响。同时对比研究了Ce／ACFN、Mn－Ce／ACFN、Fe－Mn－Ce／ACFN净化NO的能力。利用热重分析（TG ）实验、扫描电镜（SEM ）和催化剂活性实验探讨了金属离子的分布、煅烧温度和不同载体对催化剂活性的影响。结果表明，Fe的引入使得Mn－Ce／ACFN的NH3－SCR活性显著提高，催化剂在140～280℃之间表现出良好的脱除NO的效果，最高的NO脱除效率达到91．3％。
활성탄섬유（ACF ）선경과초산처리형성ACFN ，이맹양화물위활성성분，CeO2／ACFN위재체，채용침지법제비일계렬불동물질적량비적Mn－Ce／ACFN최화제。연구불동함량Fe적가입대Mn－Ce／ACFN적저온환원NO활성적영향。동시대비연구료Ce／ACFN、Mn－Ce／ACFN、Fe－Mn－Ce／ACFN정화NO적능력。이용열중분석（TG ）실험、소묘전경（SEM ）화최화제활성실험탐토료금속리자적분포、단소온도화불동재체대최화제활성적영향。결과표명，Fe적인입사득Mn－Ce／ACFN적NH3－SCR활성현저제고，최화제재140～280℃지간표현출량호적탈제NO적효과，최고적NO탈제효솔체도91．3％。
Activated carbon fibers is pre-treated by nitric acid (ACFN) .The Mn-Ce/ACFN catalyst with a series of dif-ferent amount of substance ratio is prepared by the method of impregnation using manganese oxide as active ingredient and CeO2/ACFN as supporter .The dose-response relationship of Fe and the activity of Mn -Ce/ACFN to reduce NO at low temperature is analyzed .Meanwhile ,a comparative study of the purification capacity of Ce/ACFN ,Mn-Ce/ACFN and Fe-Mn-Ce/ACFN to NO is conducted .The effects of distribution of metal ions ,calcination temperature and different sup-porter on the catalyst activity are discussed under thermogravimetric analysis (TG ) experiment ,scanning electron microscope (SEM ) and catalyst activity experiment .The results indicate that the activity of Mn - Ce/ACFN NH3 -SCR is increased significantly with the introduction of Fe ,catalyst shows good efficiency of converting NO between 140~280 ℃ and the high-est conversion rate can reach 91 .3% .