Synthesis of novel nanocomposite Fe3O4/ZrO2/chitosan and its application for removal of nitrate and phosphate

被引：185

作者：

Jiang, Hualin ^{[1
,2
,3
]}

Chen, Pinghua ^{[3
]}

Luo, Shenglian ^{[1
,2
,3
]}

Tu, Xinman ^{[1
,2
,3
]}

Cao, Qun ^{[3
]}

Shu, Meng ^{[3
]}

机构：

[1] Key Lab Jiangxi Prov Ecol Diag Remediat & Pollut, Nanchang 330063, Peoples R China

[2] Adv Lab POPs Cycl Utilizat & Control, Nanchang 330063, Peoples R China

[3] Nanchang Hangkong Univ, Coll Environm & Chem Engn, Nanchang 330063, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2013年 / 284卷

基金：

中国国家自然科学基金;

关键词：

Nitrate; Phosphate; ZrO2; Chitosan; Adsorption; Composite; AQUEOUS-SOLUTIONS; ADSORPTION; CHITOSAN; SORPTION; TARTRAZINE; ANIONS; IONS; DYES;

D O I：

10.1016/j.apsusc.2013.04.013

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel nanocomposite with a BET surface area of 212.9 m(2)/g was synthesized from chitosan and Fe3O4/ZrO2 using an inexpensive protocol at mild condition. The Fe3O4/ZrO2/chitosan composite has the ability to adsorb both nitrate and phosphate. The maximum adsorption amount of nitrate and phosphate is 89.3 mg/g and 26.5 mg P/g, respectively. The adsorption process fits well to the pseudo-first-order kinetic rate model, and the mechanism involves simultaneous adsorption and intra-particle diffusion. The experimental results suggest that the composite is a promising adsorbent for treating water that is contaminated with nutrients. (C) 2013 Elsevier B. V. All rights reserved.

引用

页码：942 / 949

页数：8

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