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Adsorption of Iron(III) from Water by Activated Carbon Fibers

WANG Luo-qiu~1(1.College of Physics Seience and Technology,China University of Petroleum,Dongying 257061,China)  
Activated carbon fiber(ACF) was used as adsorbent for removing the iron(III) ion from water in this study.The effect of adsorption time,adsorption temperature,specific surface area and the acidic and basic surface functional groups of ACF on the adsorption of iron(III) ion behavior was investigated.The obtained adsorption isotherm wasn't according with the Langmuir and Freundlich equations.The increase in adsorption temperature and specific surface area could improve the adsorption of Fe~(3+) by ACF.This suggested that the adsorption process was involved chemical and physical adsorption.Furthermore,it was found that the basic surface of ACF was the major factor affecting the adsorption for Fe~(3+).
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