The biosorption of Pb2+, Cd2+ and Cu2+ from aqueous solution by fruiting bodies and spores of Oudemansiella radicata

被引：1

作者：

Hu, Yuanjia ^{[1
]}

Lan, Ying ^{[2
]}

Dai, Jiuzhou ^{[1
]}

Ma, Lan ^{[1
]}

Xu, Heng ^{[1
]}

机构：

[1] Sichuan Univ, Coll Life Sci, Key Lab Bioresources & Ecoenvironm, Educ Minist, Chengdu 610064, Peoples R China

[2] Longquanyi Dist Arotech Extens Ctr, Stn Plant Protect, Chengdu 610100, Peoples R China

来源：

DESALINATION AND WATER TREATMENT | 2014年 / 52卷 / 22-24期

关键词：

Biosorption; Fruiting bodies; Spores; Mushrooms; Heavy metals; HEAVY-METALS; REMOVAL; EQUILIBRIUM; ADSORPTION; IONS; RECOVERY; SORPTION; CADMIUM; PB(II); WATER;

D O I：

10.1080/19443994.2013.808790

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, sorption capacity of fruiting bodies and spores of Oudemansiella radicata were evaluated on biosorption of heavy metals, viz. lead, cadmium and copper from aqueous solutions. The optimum sorption conditions for each metal were analysed separately. Evaluation of the experimental data in terms of biosorption dynamics showed that the biosorption of three metals followed the pseudo-second-order kinetics model well. The fitness of the biosorption data for Langmuir and Freundlich adsorption models were investigated. It was found that the biosorption process for all three heavy metals fitted with Freundlich adsorption isotherm models. The different size of the adsorbent particles was found to have an irregular influence on the adsorption. Scanning electron microscope and energy dispersive spectrometry analysis confirmed the obvious change of the surface morphology and the presence of metal on the biosorbent after biosorption. The fourier transform infrared spectra analysis indicated that the chemical interactions as ion-exchange were mainly involved in the biosorption.

引用

页码：4234 / 4244

页数：11

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