NDLI: Biosorption of copper(II) from aqueous solutions by green alga Cladophora fascicularis

Content Provider	Springer Nature Link
Author	Deng, Liping Zhu, Xiaobin Wang, Xinting Su, Yingying Su, Hua
Copyright Year	2006
Abstract	Biosorption is an effective means of removal of heavy metals from wastewater. In this work the biosorption behavior of Cladophora fascicularis was investigated as a function of pH, amount of biosorbent, initial Cu2+ concentration, temperature, and co-existing ions. Adsorption equilibria were well described by Langmuir isotherm models. The enthalpy change for the biosorption process was found to be 6.86 kJ mol−1 by use of the Langmuir constant b. The biosorption process was found to be rapid in the first 30 min. The presence of co-existing cations such as Na+, K+, Mg2+, and Ca2+ and anions such as chloride, nitrate, sulfate, and acetate did not significantly affect uptake of Cu2+ whereas EDTA substantially affected adsorption of the metal. When experiments were performed with different desorbents the results indicated that EDTA was an efficient desorbent for the recovery of Cu2+ from biomass. IR spectral analysis suggested amido or hydroxy, C=O, and C–O could combine strongly with Cu2+.
Starting Page	393
Ending Page	402
Page Count	10
File Format	PDF
ISSN	09239820
Journal	Biodegradation
Volume Number	18
Issue Number	4
e-ISSN	15729729
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-11-08
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biosorption Enthalpy of biosorption Copper(II) Marine algae Wastewater Waste Management/Waste Technology Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Terrestrial Pollution Geochemistry Soil Science & Conservation
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Environmental Engineering Bioengineering Microbiology

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