Competitive sorption behavior of copper(II) and herbicide propisochlor on humic acids

Xu, Zhonghou; Huang, Mei; Gu, Qingbao; Wang, Yu; Cao, Yunzhe; Du, Xiaoming; Xu, Dong; Huang, Qing; Li, Fasheng

doi:10.1016/j.jcis.2005.02.006

Cited by 26 publications

(14 citation statements)

References 22 publications

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“…4a), suggesting that the carboxyl and hydroxyl groups were responsible for lead sorption. This is consistent with Xu et al (2005). Fig.…”

Section: Analyses Of Ftir Spectrasupporting

confidence: 91%

“…Compared with the extensive separate studies on the sorption of heavy metals (Xia et al, 1997;Strawn and Sparks, 1999) or organic contaminants in soils and sediments (Chiou and Kile, 1998;Angelo and Reddy, 2003), there is little information on the effect of heavy metals on the sorption of organic contaminants and vice versa (Morillo et al, 2002;Xu et al, 2005). However, it should be realized that lead and 2,4,6-TCP may occur together in field irrigated by wastewater.…”

Section: Introductionmentioning

confidence: 99%

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Effect of lead on the sorption of 2,4,6-trichlorophenol on soil and peat

Pei

Shan

Liu

et al. 2007

Environmental Pollution

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Lead diminished the sorption of 2,4,6-trichlorophenol onto soil and peat. AbstractThe effect of lead on the sorption of 2,4,6-trichlorophenol (2,4,6-TCP) on soil and peat was investigated using a batch equilibration method. Lead markedly diminished the sorption of 2,4,6-TCP, and 2,4,6-TCP had little effect on lead sorption. Peat was a more effective adsorbent for 2,4,6-TCP than soil. The desorption hysteresis of 2,4,6-TCP verified the presence of high-energy sorption sites. Mechanisms of lead suppression effect on the 2,4,6-TCP sorption included the following: Firstly, lead accelerated the aggregation of colloids, the aggregates covered the surface in part and shrunk the pore sizes of the adsorbents, hence decreased the sorption of 2,4,6-TCP. Secondly, X-ray absorption and Fourier transform infrared spectroscopy study suggested that lead competed with 2,4,6-TCP for carboxylic, phenolic and Si-OH groups of organic matter and clay minerals. Such competition was partly responsible for the overall suppression effect of lead on the sorption of 2,4,6-TCP.

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“…4a), suggesting that the carboxyl and hydroxyl groups were responsible for lead sorption. This is consistent with Xu et al (2005). Fig.…”

Section: Analyses Of Ftir Spectrasupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Effect of lead on the sorption of 2,4,6-trichlorophenol on soil and peat

Pei

Shan

Liu

et al. 2007

Environmental Pollution

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“…This was attributed to a mechanism that competition between the metal and the polar organic compound for the deprotonated functional group binding sites Akpinar 2000, 2001). Xu et al (2005) also found that the added Cu 2?…”

Section: Introductionmentioning

confidence: 88%

“…In addition, the performance of many phenolic compounds in water environment might be strongly influenced by interactions with other compounds (for example heavy metals and surfactants). The environmental fate of these contaminants in the aquatic environment (Mohiuddin et al 2010;Sciera et al 2004;Muchuweti et al 2006;Brandt et al 2008) were partly governed by their adsorption on sediment, and numerous studies have focused on the adsorption of these contaminants in isolation from each other (Xu et al 2005;Ying 2006;Sekabira et al 2010;Mahvi 2008). However, it was commonly accepted that these contaminants would be in practice coexist as complex mixtures in real contaminated sediment, such as being found in the aquatic environment accepted with wastewater.…”

Section: Introductionmentioning

confidence: 99%

Effect of heavy metals and surfactants on the adsorption of phenolic compounds on sediment

Gao

Zhang

Liu

et al. 2012

Int. J. Environ. Sci. Technol.

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The effects of different heavy metals (copper and mercury), cationic surfactants cetylpyridinium chloride, anionic surfactant sodium dodecylbenzenesulfonate and the chemistry of the solution (pH value) on the adsorption of three selected phenolic compounds (2, 4-Dichlorophenol, 2, 4-Dinitro-phenol and 2, 4-Dimethyphenol) on sediment were studied. Results indicated that in the sediment-water system with phenolic compounds: (1) all of the data could be simulated by Freundlich equation; (2) the experiments studying pH effects showed that the adsorption capacity of 2, 4-Dichlorophenol and 2, 4-Dimethyphenol were quite potentia Hydrogenii dependent and increased with decrease in potentia Hydrogenii, while 2, 4-Dinitrophenol followed the different trend; (3) As the concentration increased from 0 to 0.2 mM for Cu 2? , the Freundlich capacity coefficient constant varied from 62.84 to 325.1 for 2, 4-Dichlorophenol, from 13.1 to 82.179 for 2, 4-Dinitrophenol and from 29.433 to 7.976 for 2, 4-Dimethyphenol, respectively. The Freundlich capacity coefficient constant of 2, 4-Dichlorophenol, 2, 4-Dinitrophenol and 2, 4-Dimethyphenol varied from 62.84 and 421.43, 13.1 and 138.1, 29.433 and 1.381, respectively, with concentration of Hg 2? increased from 0 to 0.04 mM, respectively; (4) the adsorption of 2, 4-Dichlorophenol and 2, 4-Dimethyphenol were accentuated by cetylpyridinium chloride but suppressed by sodium dodecylbenzenesulfonate, whereas the adsorption of 2, 4-Dinitrophenol on sediment was enhanced by both cationic and anionic surfactants, effects that are consistent with electrostatic and hydrophobic interactions among ionic surfactants, phenolic compounds and sediment. The results are believed to provide a useful insight into describing the transport and fate of phenolic compounds in natural environments.

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“…Analysis of Fourier-transform infrared spectra data indicated that Cu 2ϩ diminished the adsorption of propisochlor on humic acids. Xu et al [12] suggested that Cu competed with propisochlor for the adsorption sites of humic acid. The addition of Cu also may alter the physicochemical properties of soils, which may further affect p-nitrophenol adsorption.…”

Section: Introductionmentioning

confidence: 99%

Sorption of p‐nitrophenol on two Chinese soils as affected by copper

Pei¹,

Shan²,

Liu³

et al. 2006

Enviro Toxic and Chemistry

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Abstract-Heavy metals and organic contaminants often coexist in soils. However, very little information is available regarding the effect of metals on the sorption of organic contaminants onto soils and/or of organic contaminants on metal sorption. In the present study, the effect of Cu on the sorption of p-nitrophenol on two Chinese soils was investigated using a batch-equilibration method for three conditions: Copper and p-nitrophenol were sorbed simultaneously, either Cu or p-nitrophenol was sorbed previously, or the soil colloidal phase was removed in part previously. The results suggested that Cu suppressed the sorption of p-nitrophenol on soils, whereas p-nitrophenol had little effect on Cu sorption because of the higher affinity of Cu for soils. Mechanisms of the Cu suppression effect were suggested by the results. First, large hydrated Cu occupy the siloxane surface of soils and prevent nonspecific interaction between p-nitrophenol and soils. Second, the soil colloidal phase is an effective adsorbent of p-nitrophenol; thus, more p-nitrophenol is retained in the aqueous phase. In addition, the aggregation of the colloidal particles may occur, which blocks soil pores, thereby decreasing the sorption of p-nitrophenol on the solid soil phase. Third, x-ray absorption spectroscopy revealed that Cu forms inner-sphere complexes with the carboxyl and hydroxyl functional moieties of the soil particles (clay minerals and organic matter). Fourier-transform infrared spectroscopy study indicated that these groups also react with p-nitrophenol through H-bond formation. These results suggested that Cu and p-nitrophenol have common sorption sites, at least in the soil organic matter domain, which is partially responsible for the observed overall Cu suppression effect.

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Competitive sorption behavior of copper(II) and herbicide propisochlor on humic acids

Cited by 26 publications

References 22 publications

Effect of lead on the sorption of 2,4,6-trichlorophenol on soil and peat

Effect of lead on the sorption of 2,4,6-trichlorophenol on soil and peat

Effect of heavy metals and surfactants on the adsorption of phenolic compounds on sediment

Sorption of p‐nitrophenol on two Chinese soils as affected by copper

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