Biosorption of Cu (II) using free and immobilized biomass of Penicillium citrinum

被引：53

作者：

Verma, Anamika ^{[1
]}

Shalu ^{[1
]}

Singh, Anita ^{[1
,2
]}

Bishnoi, Narsi R. ^{[1
]}

Gupta, Asha ^{[1
]}

机构：

[1] Guru Jambheshwar Univ Sci & Technol, Dept Environm Sci & Engn, Hisar 125001, Haryana, India

[2] Cent Univ Jammu, Dept Environm Sci, Jammu 180011, Jammu & Kashmir, India

来源：

ECOLOGICAL ENGINEERING | 2013年 / 61卷

关键词：

Fungi; Metal removal; Adsorption isotherms; Biosorbent; Temperature; AQUEOUS-SOLUTIONS; REMOVAL; KINETICS; IONS; ADSORPTION; CHROMIUM(VI); EQUILIBRIUM; CADMIUM(II); COPPER(II); BIOSORBENT;

D O I：

10.1016/j.ecoleng.2013.10.008

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Fungus Penicillium citrinum biomass was used as biosorbent for removal of Cu (II) from aqueous solution. Biosorption potential of immobilized and free biomass of fungus P. citrinum was studied in batch process for metal removal. Effect of pH, contact time, metal ion concentration and biosorbent dose was studied on Cu (II) removal. Maximum bio sorption was observed 76.2% at pH 5.0, contact time of 30 min and biosorbent dose of 0.10 g/100 mL using immobilized biomass. With free biomass maximum removal of 74.1% removal was observed under conditions of pH 5.0, contact time of 20 min and biosorbent dose of 0.15 g/100 mL. The biosorption potential of immobilized biomass was higher than the biosorption potential of free biomass. On application of adsorption isotherms, the data followed Langmuir and Freundlich isotherms and also exhibited very high correlation coefficients which confirmed suitability of the model and biosorption process. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：486 / 490

页数：5

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