CAJ | 학술논문

研究了Fe/AC脱硫剂在不同气氛中的再生行为，并对再生后Fe/AC二次脱硫活性差异的原因进行了探讨，结果表明：脱硫剂经H2再生后二次脱硫活性与初活性相比明显下降，经NH3在350 ℃再生后二次脱硫活性与初活性相比未见下降，以NH3再生后Fe/AC脱硫活性的改善并非是脱硫剂对NH3吸附所造成的表面碱性的提高，而应归因于还原性较弱的NH3仅将Fe2(SO4)3中的SO42-选择性还原为SO2，而未与Fe3+发生反应，从而保证了活性组分在AC表面的高分散性.
연구료Fe/AC탈류제재불동기분중적재생행위，병대재생후Fe/AC이차탈류활성차이적원인진행료탐토，결과표명：탈류제경H2재생후이차탈류활성여초활성상비명현하강，경NH3재350 ℃재생후이차탈류활성여초활성상비미견하강，이NH3재생후Fe/AC탈류활성적개선병비시탈류제대NH3흡부소조성적표면감성적제고，이응귀인우환원성교약적NH3부장Fe2(SO4)3중적SO42-선택성환원위SO2，이미여Fe3+발생반응，종이보증료활성조분재AC표면적고분산성.
This paper investigates the regeneration of a Fe/AC desulfurizer and the effect of regeneration gases on SO2 removal activity of the desulphurizer. The results shows that the SO2 removal activity of the Fe/AC after regeneration in H2 is lower than that of the fresh one, while the activity after regeneration in NH3 is the same as that of fresh Fe/AC the higher activity after regeneration in NH3 is not due to the deposition of NH3 on the Fe/AC surface, but can be a-ttributed to full recovery of Fe2O3 in Fe/AC.