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Synthesis of Amino-Functionalized Hexagonal Mesoporous Silica for Adsorption of Pb2＋
  • ISSN号：1001-604X
  • 期刊名称：《中国化学：英文版》
  • 时间：0
  • 分类：O647.33[理学—物理化学;理学—化学] S816.7[农业科学—饲料科学;农业科学—畜牧学;农业科学—畜牧兽医]
  • 作者机构：[1]College of Materials Science & Engineering, South China University of Technology, Guangzhou Guangdong 510006, China, [2]National Engineering Research Center for Human Tissue Restoration and Function Reconstruction, Guangzhou, Guangdong 510006, China
  • 相关基金：Project supported by the National Natural Science Foundation of China （Nos. 50732003, U0834003） and High Technology Study Plan of China （Nos. 2007AA021908, 2006AA03Z356）.
作者： Wei, Kun[1,2] Shu, Lijun[1,2] Guo, Wusheng[1,2] Wu, Yuan[1,2] Zeng, Xiaofeng[1,2]
关键词： 功能化, 吸附剂, 介孔分子筛, 氨基, 方铅, 一级动力学模型, 合成, 透射电子显微镜, mesoporous materials, functionalization, co-condensation, adsorption
中文摘要：

高度订的 amino-functionalized 六角形的 mesoporous 硅石(HMS-NH2 ) 被合作冷凝作用成功地综合了。结果的材料借助于证实订的 mesoporous 结构和氨基的组的 functionalization 的 XRD， TEM，英尺红外， N2 广告解吸附作用和 29Si NMR 被描绘。样品在房间温度在水的答案作为 Pb2+ 吸附物被采用。两 Lagergren 运动模型和 Lagergren 是运动模型被用来描述吸附数据的第二份订单的第一份订单。假秒命令模型适合吸着，这被发现比好的运动数据假第一个顺序模型。根据从 AAS 分析的信息， HMS-NH2 有超过 90.7 mg 的 Pb2+ 吸附数量

英文摘要：

Highly ordered amino-functionalized hexagonal mesoporous silica （HMS-NH2） had been synthesized successfully by co-condensation. The resultant materials were characterized by means of XRD, TEM, FT-IR, N2 ad-desorption and 29Si NMR to confirm the ordered mesoporous structure and the functionalization of the amino groups. The sample was employed as a Pb2＋ adsorbent in aqueous solutions at room temperature. Both Lagergren＇s first order kinetic model and Lagergren＇s second order kinetic model were used to describe the adsorption data. It was found that the pseudo second order model fitted the sorption kinetic data better than the pseudo first order model. According to the information analyzed from AAS, HMS-NH2 had a Pb2＋ adsorption amount of over 90.7 mg·g-1 , showing a promising application for the treatment of wastewater containing Pb2＋ ions.

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期刊信息
  • 《中国化学：英文版》
  • 主管单位:
  • 主办单位:中国化学会
  • 主编：
  • 地址：上海市枫林路354号中科院上海有机化学研究所
  • 邮编：200032
  • 邮箱：
  • 电话：021-54925243
  • 国际标准刊号：ISSN：1001-604X
  • 国内统一刊号：ISSN：31-1547/O6
  • 邮发代号:4-646
  • 获奖情况:
  • 中国期刊方阵“双高”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国科学引文索引（扩展库）,日本日本科学技术振兴机构数据库,英国英国皇家化学学会文摘
  • 被引量:175