欢迎登录材料期刊网

材料期刊网

高级检索

以异丙醇铝为铝源,非离子表面活性剂P123为模板剂,采用溶胶-凝胶法于室温下制备出介孔氧化铝,并研究了该介孔氧化铝对As5+的吸附性能.就材料焙烧温度、初始pH值、接触时间、吸附剂量和吸附温度对吸附性能的影响进行探讨.结果表明,介孔氧化铝对As5+的吸附性能随材料焙烧温度的升高而降低;随吸附温度的升高吸附速率加快,吸附平衡时间缩短;吸附性能受溶液pH值影响较大,pH值=4.5时吸附容量达到最大,此时最大单分子层吸附容量为51.02 mg/g.

参考文献

[1] Matschullat J..Arsenic in the geosphere - a review [Review][J].Science of the Total Environment,20001/3(1/3):297-312.
[2] Smedley PL.;Kinniburgh DG..A review of the source, behaviour and distribution of arsenic in natural waters [Review][J].Applied Geochemistry: Journal of the International Association of Geochemistry and Cosmochemistry,20025(5):517-568.
[3] Lin TF.;Wu JK..Adsorption of arsenite and arsenate within activated alumina grains: Equilibrium and kinetics[J].Water research: A journal of the international water association,20018(8):2049-2057.
[4] Yifeng Wang;Charles Bryan;Huifang Xu;Phil Pohl;Yi Yang;C. Jeffrey Brinker.Interface Chemistry of Nanostructured Materials: Ion Adsorption[J].Journal of Colloid and Interface Science,20021(1):23-30.
[5] Mi-Jin Yu;Xiong Li;Wha-Seung Ahn.Adsorptive removal of arsenate and orthophosphate anions by mesoporous alumina[J].Microporous and mesoporous materials: The offical journal of the International Zeolite Association,20081/3(1/3):197-203.
[6] Younghun Kim;Changmook Kim;Inhee Choi;Selvaraj Rengaraj;Jonghop Yi.Arsenic Removal Using Mesoporous Alumina Prepared via a Templating Method[J].Environmental Science & Technology: ES&T,20043(3):924-931.
[7] Liyun Feng;Minhua Cao;Xiaoyu Ma;Yongshuang Zhu;Changwen Hu.Superparamagnetic high-surface-area Fe_3O_4 nanoparticles as adsorbents for arsenic removal[J].Journal of hazardous materials,2012May 30(May 30):439-446.
[8] Zhang Y;Yang M;Dou XM;He H;Wang DS.Arsenate adsorption on an Fe-Ce bimetal oxide adsorbent: Role of surface properties[J].Environmental Science & Technology: ES&T,200518(18):7246-7253.
[9] 陈曦;高建峰;胡拖平;平伟光;周文霞.含氮功能炭材料CCPEI的合成及其对重金属离子吸附[J].功能材料,2014(16):16079-16084.
[10] Chang Liu;Yongchun Liu;Qingxin Ma.Mesoporous transition alumina with uniform pore structure synthesized by alumisol spray pyrolysis[J].Chemical engineering journal,20101/2(1/2):133-142.
[11] Zhang Y.;Yang M.;Huang X..Arsenic(V) removal with a Ce(IV)-doped iron oxide adsorbent[J].Chemosphere,20039(9):945-952.
[12] Babou F.;Vedrine JC.;Coudurier G..ACIDIC PROPERTIES OF SULFATED ZIRCONIA - AN INFRARED SPECTROSCOPIC STUDY[J].Journal of Catalysis,19952(2):341-349.
[13] Zhong-Xi Sun;Ting-Ting Zheng;Qi-Bing Bo.Effects of alkali metal ions on the formation of mesoporous alumina[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,200848(48):5941-5947.
[14] Sushree Swarupa Tripathy;Ashok M.Raichur.Enhanced adsorption capacity of activated alumina by impregnation with alum for removal of As(V) from water[J].Chemical engineering journal,20081/3(1/3):179-186.
[15] 陈刚;王丽.木质纤维素基纳米复合材料对Pb2+、Cd2+的吸附研究?[J].功能材料,2014(22):22084-22090.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%