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《Guangzhou Chemistry》 2011-03
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Adsorption Studies of Cu(Ⅱ) Ions from Polluted Water of New Chemically Modified Material MCM-41 with Al,Ti Ions

FANG Lu-xi,LIU Can-ming,YU Peng*,YANG Jie,ZHENG Wei-min(Applied Chemistry Department of College of Science,School of Hunan Agriculture University,Changsha 410128,China)  
Adsorption behavior of Cu(Ⅱ) ions from wastewater of new chemically modified material MCM-41(mobil composition of matters) was studied.Two new kinds of material(Al-Ti-MCM-41 and Ti-Al-MCM-41) have been chemically modified with Al,Ti ions.The sample of Al-Ti-MCM-41(1∶1) was characterized by nitrogen adsorption and desorption isotherms data.The adsorption of Cu2+ on the modified materials was investigated.The effects of adsorbent dosage,temperature and initial concentration on the adsorption capacity were investigated in detail.The results showed that: The pore volume of Al-Ti-MCM-41was 0.04 cm3/g,the BJH (Barret-Joyner-Halenda) average diameter was 17.02 nm.Cu2+ was adsorbed quantitatively to the Al-Ti-MCM-41,and the absorption ratio was 99.95%.The adsorption capacity and removal percentages of Cu2+ decreased with the adsorbent dosage increased but increased with the initial concentration increased.A higher temperature was in favor of adsorption.
【CateGory Index】: X13
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