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《Journal of Fuel Chemistry and Technology》 2008-03
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Study on the pre-treatment of activated carbon fibers and its activity in SCR

SHEN Bo-xiong,ZHOU Yuan-chi,SHI Zhan-liang,YANG Ting-ting(College of Environmental Science and Engineering,Nankai University,Tianjin 300071,China)  
Pre-treatments of the viscose rayon based activated carbon fibers(ACFs) with acid(HNO3,H2SO4,HCl),alkali(NaOH) and steam were carried out to modify the surface characters of ACFs.The activities of ACFs for selective catalytic reduction(SCR) at lower temperature were tested.There is an increase in the content of functional group with oxygen on the surface of ACF and a decrease in micropore range for the ACF treated with HNO3.The new functional groups are formed for the ACF treated with H2SO4,HCl and NaOH,which can improve the activity of SCR,and an increase in micropore range for ACF treated with NaOH is found.However,the portion of mesopores increases but the catalytic activity of ACF decreases for the ACF treated with steam.
【Fund】: 国家自然科学基金(90610018);; 天津自然科学基金(06YFJMJC06200)
【CateGory Index】: X701
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