NDLI: Characterization of an Novel Extracellular Biopolymer by Scanning Electron Microscopy and FT-IR Spectroscopy and Its Use for Nickel Removal

Content Provider	IEEE Xplore Digital Library
Author	Yan-li Mao Ya-li He Duan-li Guo Zhong-fang Pei Ming-hua Gao Wei Wen
Copyright Year	2010
Abstract	In the present study we reported the feasibility of extracellular biopolymer(PF-9) produced by Pseudomonas fluorescence C-9 as an alternative biosorbent to remove Ni(II) metallic ions from environmental and industrial wastewater. The ability of PF-9 to remove the Ni(II) ions was investigated by using batch biosorption procedure. The effects such as pH, dosage of biosorbent, Ni(II) initial concentration and sorbate-sorbent contact time and agitating speed on the adsorption capacities of PF-9 were studied. Biosorption equilibriums were rapidly established in about 60 min and the adsorption kinetics followed the pseudo-second order kinetic model. The maximum Ni(II) adsorption capacity determined from Langmuir isotherm were 82.40 mg /g PF-9 at pH 5.0 ,at 25◦C and shaker speed 150 rpm, respectively. The carboxyl , hydroxyl and amino groups of the PF-9 were involved in chemical interaction with the Ni(II) ions depicted by scanning electron microscopic (SEM) and Fourier transform infrared spectroscopic (FTIR) results. The study points to the potential of new use of extracellular biopolymer PF-9 as an effective biosorbent for the removal of Ni (II) and from environmental and industrial wastewater.
Starting Page	1
Ending Page	5
File Size	581030
Page Count	5
File Format	PDF
ISBN	9781424447121
ISSN	21517622
DOI	10.1109/ICBBE.2010.5514837
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-18
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Scanning electron microscopy Spectroscopy Fluorescence Nickel Kinetic theory Infrared spectra Metals industry Wastewater Extracellular Chemicals
Content Type	Text
Resource Type	Article

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