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《Non-Metallic Mines》 2011-03
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Preparation of Silane Coupling Agent Modified Attapulgite and Adsorption Property of Cr~(6+)

Zhu Weiju Gao Hua Li Cun Wu Zhenyu Fang Min(School of Chemistry and Chemical Engineering,Anhui University,Hefei,Anhui 230039)  
OHATT adsorbent was synthesized by grafting silane coupling agent KH-550 onto the hydrochloric acid modified ATT(HATT).Thermal behavior and the structure of OHATT were characterized by TGA,DSC,FTIR,XRD and BET.The results showed that the KH-550 was successfully grafted onto the HATT surface.Preparing conditions of the OHATT were investigated.The results showed that the OHATT prepared under silane coupling agent mass concentration 1%(relative to HATT mass) at 50℃ for 4h gave a maximum Cr6+ adsorption capacity.
【Fund】: 安徽高校省级自然科学研究项目(KJ2009A103);; 安徽省自然科学研究项目(11040606M33)
【CateGory Index】: TQ123;X703
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