Adsorption of Zn2+ from aqueous solutions by si-substituted carbonated hydroxylapatite: Equilibrium, kinetics, and mechanisms

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成果类型：

期刊论文

作者：

Zeng, Rongying;Tang, Wenqing*;Liu, Xing;Ding, Chunxia;Gong, Daoxin*

通讯作者：

Gong, Daoxin;Tang, Wenqing

作者机构：

[Ding, Chunxia; Gong, Daoxin; Zeng, Rongying] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

[Liu, Xing; Tang, Wenqing; Zeng, Rongying] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

[Liu, Xing; Tang, Wenqing; Zeng, Rongying] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Organometall Mat Coll Hunan Prov, Hengyang 421008, Peoples R China.

通讯机构：

[Gong, Daoxin; Tang, Wenqing] H

Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China.

Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Organometall Mat Coll Hunan Prov, Hengyang 421008, Peoples R China.

语种：

英文

关键词：

silicon-substituted carbonate hydroxyapatite;Zn2+;adsorption;removal efficiency

期刊：

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY

ISSN：

1944-7442

年：

2018

卷：

期：

页码：

2073-2081

DOI：

10.1002/ep.12898

基金类别：

Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [13JJ9018]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21603065]; Aid Programs for Science and Technology Innovative Research Team on Functional Organometallic Compounds in Higher Educational Institutions of Hunan Province; Key Discipline of Material Physics and Chemistry of Hunan Province

机构署名：

本校为通讯机构

院系归属：

化学与材料科学学院

摘要：

A kind of low-cost silicon-substituted carbonate hydroxyapatite (Si-CHAP) powder was successfully fabricated by using eggshell powder, H3PO4, Ca(OH)2, Na2SiO3, and Na2CO3 under sonochemistry coprecipitation condition. Si-CHAP could serve as an ideal adsorbent to remove zinc ion (Zn2+) from aqueous solution. Under the optimized conditions, the removal efficiency of Zn2+ in solution by Si-CHAP could reach to 96.2%. The adsorption mechanism was investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. Notably, the ...

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Adsorption of Zn2+ from aqueous solutions by si-substituted carbonated hydroxylapatite: Equilibrium, kinetics, and mechanisms

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