Low-Cost Solvothermal Synthesis of Hierarchical Structure γ-AlOOH and its Application to Remove Cr (VI), Methyl Orange and Congo Red from Contaminated Water

被引：3

作者：

Meng, Fancheng ^{[1
,2
]}

Liang, Qi ^{[1
]}

Ren, Haishen ^{[1
]}

Guo, Xiaorui ^{[1
]}

机构：

[1] Chongqing Univ Technol, Sch Mat Sci & Engn, Chongqing 400050, Peoples R China

[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China

来源：

CURRENT NANOSCIENCE | 2015年 / 11卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Adsorption; gamma-AlOOH; hierarchical structure; leaf-like; solvothermal method; PERSISTENT ORGANIC POLLUTANTS; HYDROTHERMAL SYNTHESIS; DRINKING-WATER; BOEHMITE; PHOSPHATE; HEALTH;

D O I：

10.2174/1573413711666150202233901

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Leaf-like hierarchical gamma-AlOOH was prepared by a facile template-free solvothermal method at 150 degrees C for 6 h, using aluminum nitrate (Al (NO3)(3)center dot 9H(2)O) as aluminum source and a mixed water/ethanol solution as solvent. The obtained sample was characterized by X-ray powder diffraction (XRD), Scanning electron microscopy (SEM), Transmission electron microscopy (TEM) and N-2 adsorption/desorption technique. Experiment results indicated that the obtained leaf-like hierarchical gamma-AlOOH exhibited a BET surface area of 190.3 m(2)/g and an average pore widths of 18.82 nm. The hierarchical gamma-AlOOH showed excellent removal efficiency for Cr (VI), Methyl orange and Congo red with maximum adsorption capacity of 7.4 mg/g, 59.9 mg/g and 99.0 mg/g, respectively.

引用

页码：434 / 438

页数：5

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