DocumentCode
3345825
Title
Notice of Retraction
Cadmium Extraction Effectiveness and Soil Dissolution Issues of Chelates-Washing of Artificially Contaminated Soil
Author
Yushuang Li ; Tieheng Sun ; Xiaojun Hu ; Yongxia Hou ; Xueying Song ; Xiuyan Li ; Hongbin Sun
Author_Institution
Inst. of Appl. Ecology, Chinese Acad. of Sci., Shenyang, China
fYear
2011
fDate
10-12 May 2011
Firstpage
1
Lastpage
4
Abstract
Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Ethylenediaminetetraacetic acid (EDTA), thiacalix[4]-arenetetrasulfonate (TCAS), citric acid (CA) and oxalic acid (OA) were employed as chelating agents in batch experiments to investigate the effectiveness and the coupled soil dissolution issues during washing of soil artificially contaminated with cadmium. Results showed that TCAS and EDTA quantitatively enchanced Cd and the extraction effectiveness varied with pH. Cd extraction efficiency of EDTA and TCAS was 62.22% and 60.79% at pH 7.0, 94.02% and 86.35 at pH 11.0, respectively. 0.5mmol L-1 The order of the extraction efficiency was EDTA >; TCAS >; CA>;OA at both pH 7.0 and pH 11.0, although the extraction efficiency of TCAS was much closer to that of EDTA at pH 7.0. EDTA quantitatively increased k, Ca, and Mn dissolution at both pH 7.0 and pH 11.0 attributed to the high stability constant for their complexations. It should be foremost remarked that TCAS did not significantly enchanced all tested metal ions dissolution.
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Ethylenediaminetetraacetic acid (EDTA), thiacalix[4]-arenetetrasulfonate (TCAS), citric acid (CA) and oxalic acid (OA) were employed as chelating agents in batch experiments to investigate the effectiveness and the coupled soil dissolution issues during washing of soil artificially contaminated with cadmium. Results showed that TCAS and EDTA quantitatively enchanced Cd and the extraction effectiveness varied with pH. Cd extraction efficiency of EDTA and TCAS was 62.22% and 60.79% at pH 7.0, 94.02% and 86.35 at pH 11.0, respectively. 0.5mmol L-1 The order of the extraction efficiency was EDTA >; TCAS >; CA>;OA at both pH 7.0 and pH 11.0, although the extraction efficiency of TCAS was much closer to that of EDTA at pH 7.0. EDTA quantitatively increased k, Ca, and Mn dissolution at both pH 7.0 and pH 11.0 attributed to the high stability constant for their complexations. It should be foremost remarked that TCAS did not significantly enchanced all tested metal ions dissolution.
Keywords
cadmium; calcium; manganese; organic compounds; pollution control; potassium; soil pollution; Ca; Ca dissolution; Cd; Cd extraction effectiveness; Cd extraction efficiency; EDTA; K; K dissolution; Mn; Mn dissolution; TCAS; artificially contaminated soil; cadmium extraction effectiveness; chelates; chelating agents; citric acid; contaminated soil washing; ethylenediaminetetraacetic acid; oxalic acid; pH 11.0; pH 7.0; soil dissolution; thiacalix[4]-arenetetrasulfonate; Cadmium; Calcium; Ions; Manganese; Soil; Water pollution;
fLanguage
English
Publisher
ieee
Conference_Titel
Bioinformatics and Biomedical Engineering, (iCBBE) 2011 5th International Conference on
Conference_Location
Wuhan
ISSN
2151-7614
Print_ISBN
978-1-4244-5088-6
Type
conf
DOI
10.1109/icbbe.2011.5781539
Filename
5781539
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