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Visible light photocatalytic decolourization of C. I. Acid Red 66 by chitosan capped CdS composite nanoparticles
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[ Last edited by piklet on 2009-11-26 at 12:45 ]
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tpzhang

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piklet(½ð±Ò+1,VIP+0):лл 11-26 12:45
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1.  Title: Photocatalytic decolorization and degradation of Congo Red on innovative crosslinked chitosan/nano-CdS composite catalyst under visible light irradiation
Author(s): Zhu HY, Jiang R, Xiao L, et al.
Source: JOURNAL OF HAZARDOUS MATERIALS   Volume: 169   Issue: 1-3   Pages: 933-940   Published: SEP 30 2009
Times Cited: 0
2Â¥2009-11-26 12:40:30
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piklet(½ð±Ò+1,VIP+0):лл 11-26 12:45
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1.  ±êÌâ: Photocatalytic decolorization and degradation of Congo Red on innovative crosslinked chitosan/nano-CdS composite catalyst under visible light irradiation
×÷Õß: Zhu, HY; Jiang, R; Xiao, L, et al.
À´Ô´³ö°æÎï: JOURNAL OF HAZARDOUS MATERIALS   ¾í: 169   ÆÚ: 1-3   Ò³: 933-940   ³ö°æÄê: 2009
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3Â¥2009-11-26 12:41:05
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piklet

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ÒýÓûØÌû:
Originally posted by tpzhang at 2009-11-26 12:40:
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1.  Title: Photocatalytic decolorization and degradation of Congo Red on innovative crosslinked chitosan/nano-CdS composite catalyst under visible light irradiation
Au ...

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4Â¥2009-11-26 12:41:30
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wumin1283

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¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
FN ISI Export Format
VR 1.0
PT  J
AU  Zhu, HY
Jiang, R
Xiao, L
Chang, YH
Guan, YJ
Li, XD
Zeng, GM
AF  Zhu, Huayue
Jiang, Ru
Xiao, Ling
Chang, Yuhua
Guan, Yujiang
Li, Xiaodong
Zeng, Guangming
TI  Photocatalytic decolorization and degradation of Congo Red on innovative crosslinked chitosan/nano-CdS composite catalyst under visible light irradiation
SO  JOURNAL OF HAZARDOUS MATERIALS
LA  English
DT  Article
DE  Chitosan; Nano-CdS; Visible light photocatalysis; Congo Red; Kinetics
ID  METHYL-ORANGE; AZO-DYE; AQUEOUS-SOLUTIONS; REACTIVE DYES; WASTE-WATER; THIN-FILMS; TIO2; ADSORPTION; PHOTODEGRADATION; KINETICS
AB  The crosslinked chitosan/nano-CdS (CS/n-CdS) composite catalyst prepared by simulating bio-mineralization process was extensively characterized by FT-IR spectra, XRD, SEM, TEM and TGA. An azo dye, Congo Red (CR), was used as model pollutant to study its photocatalytic activity under visible light irradiation. The influences of catalyst amount, initial CR concentrations, pH of the reaction solution and different anions on CR decolorization and degradation reaction kinetics were investigated. Results of characterization indicated the successful formation of hexagonal phase of CdS on raw chitosan under mild conditions. The photocatalytic degradation was found to follow a pseudo-first-order kinetics according to Langmuir-Hinshelwood (L-H) model. The dye could be decolorized more efficiently in acidic media than alkaline media. The presence of NO3- accelerated evidently the degradation of CR, while the other chosen anions (Br-, SO42- and Cl-) had an inhibitory effect on the decolorization of CR, of which the inhibitory effect of Cl- was the most pronounced. UV-vis spectra were analyzed to indicate that degradation of CR in the solution was the break up of the N=N bonds and degradation of aromatic fragment in this reaction system. The recycling experiments confirmed the relative stability of the catalyst. (c) 2009 Elsevier B.V. All rights reserved.
C1  [Zhu, Huayue; Jiang, Ru; Guan, Yujiang] Taizhou Univ, Dept Environm Engn, Linhai 317000, Peoples R China.
[Zhu, Huayue; Xiao, Ling; Chang, Yuhua] Wuhan Univ, Coll Resource & Environm Sci, Wuhan 430072, Peoples R China.
[Jiang, Ru; Li, Xiaodong; Zeng, Guangming] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China.
RP  Jiang, R, 605 Dongfang Ave, Linhai City 317000, Zhejiang, Peoples R China.
EM  zhuhuayue@126.com
jiangru0576@163.com
xl9119@public.wh.hb.cn
changyuhua1122@126.com
guanyujiang@tzc.edu.cn
lxdfox@163.com
zgming@hnu.cn
FU  National Natural Science Foundation of China [50808071]
FX  The authors are grateful for the financial support of this research from the National Natural Science Foundation of China (No. 50808071). Special thanks to Mr. Changhua Ge and Mrs. Fang Wang for their assistance in this work.
NR  44
TC  0
PU  ELSEVIER SCIENCE BV
PI  AMSTERDAM
PA  PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
SN  0304-3894
J9  J HAZARD MATER
JI  J. Hazard. Mater.
PD  SEP 30
PY  2009
VL  169
IS  1-3
BP  933
EP  940
DI  10.1016/j.jhazmat.2009.04.037
PG  8
SC  Engineering, Environmental; Engineering, Civil; Environmental Sciences
GA  483LE £¨¼ìË÷ºÅ£©
UT  ISI:000268967200129 £¨ÊÕ¼ºÅ£©
ER
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Visible light photocatalytic decolourization of C. I. Acid Red 66 by chitosan capped CdS composite nanoparticles.ÕâÆªÎÄÕ»¹Ã»ÓмìË÷ºÅºÍÊÕ¼ºÅ¡£
5Â¥2009-11-26 14:36:20
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piklet

½ð³æ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
Originally posted by wumin1283 at 2009-11-26 14:36:
FN ISI Export Format
VR 1.0
PT  J
AU  Zhu, HY
Jiang, R
Xiao, L
Chang, YH
Guan, YJ
Li, XD
Zeng, GM
AF  Zhu, Huayue
Jiang, Ru
Xiao, Ling
Chang, Yuhua
Guan, Yujiang
Li, Xiaodong
Ze ...

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