Adsorption characteristics of Cu and Zn onto various size fractions of aggregates from red paddy soil

Huang, Bin; Li, Zhongwu; Huang, Jianping; Guo, Liang; Nie, Xiaodong; Wang, Yan; Zhang, Yan; Zeng, Guangming

doi:10.1016/j.jhazmat.2013.10.074

Cited by 222 publications

(63 citation statements)

References 45 publications

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“…On the other hand, in alkaline soils there is attenuation of the competition, increasing the adsorption of the metals in the soil. Huang et al (2014) obtained an increasing linear response of Cu and Zn adsorption in soil with increasing values of pH, proving that the higher the pH of the soil, the greater its adsorptive power. This explains the higher content of these elements in the upper layers of the soil, especially those cultivated with corn and fertilized with sanitary sewage sludge, where there was greater application of the fertilizer.…”

Section: ------------------------Mg Kg -1 ------------------------mentioning

confidence: 84%

“…In some studies, Zn is highly mobile in the soil profile and normally its mobility and / or adsorption is related to soil pH variations (Abat et al, 2012;Huang et al, 2014). These authors explain that in acidic soils there is an abundance of free H + ions, competing with the metals for the soil binding sites, reducing their adsorption.…”

Section: ------------------------Mg Kg -1 ------------------------mentioning

confidence: 99%

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As, Cu AND Zn CONCENTRATION IN SANITARY SEWAGE SLUDGE FERTILIZED SOIL AND IN CRAMBE AND CORN GRAINS

et al. 2018

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This study aimed to evaluate the total contents of As, Cu and Zn in the profile of a Haplic Cambisol cultivated with crambe and corn and fertilized with sanitary sewage sludge and to compare them with those obtained in other forms of fertilization, as well as the content of metals in the grain of these crops. Two experiments were carried out in the field, one with maize cultivation and another with crambe, both were delineated as randomized blocks with four treatments and six replicates, which were: without fertilization, fertilization with sewage sludge dewatered and dried in the sun, with dry sewage sludge and with mineral fertilizers. At the end of the experiments soil samples were collected at 15, 50, 100, 150 and 200 cm depth for analysis of the total contents of As, Cu and Zn, as well as the grain of the crops. No differences were observed among the treatments. The total contents of As, Cu and Zn in the soil in both experiments and in the corn grains are below the limits of prevention and the maximum limit in grains established by the Brazilian resolutions. In relation to depth, the metal contents in the samples collected from the soil submitted to the fertilization treatments were similar to those quantified in the plots that did not received fertilization, but there was accumulation of Cu and Zn in the upper layers of the soil that received fertilization.

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Section: ------------------------Mg Kg -1 ------------------------mentioning

confidence: 84%

Section: ------------------------Mg Kg -1 ------------------------mentioning

confidence: 99%

As, Cu AND Zn CONCENTRATION IN SANITARY SEWAGE SLUDGE FERTILIZED SOIL AND IN CRAMBE AND CORN GRAINS

et al. 2018

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“…In this study, although the variable EC and DO implied that the ion contents and the photoautotrophs shifted with the periphyton growth phase, the relatively stable pH provided a beneficial condition for periphyton growth. Certainly, pH is reported as one of the critical factors affecting the microbial activity and composition (Huang et al, 2014;Maspolim et al, 2015;Yu et al, 2014). Thus, most probably, the relatively steady removal rates of Cu (II) and Cd (II) from the water-and Na 2 EDTA-washed leachates were also attributable to the stable pH conditions via periphyton acclimation and adaptation.…”

Section: +mentioning

confidence: 99%

Bioremediation of agricultural solid waste leachates with diverse species of Cu (II) and Cd (II) by periphyton

Yang

Liu

et al. 2016

Bioresource Technology

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“…In the same region using Langmuir and Freundlich approaches, high coefficients of determination of equations to Cd and Pb in Oxisols and highly weathered Ultisols were observed (LINHARES et al, 2009). The correlation of chemical, physical and mineralogical attributes with adsorption parameters demonstrates that metal adsorption equations assists in the identification of factors that greatly influence the movement and bioavailability of toxic elements in the soil (HUANG et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Adsorption of cadmium and copper in representative soils of Eastern Amazonia, Brazil

Gonçalves¹,

Matos²,

Fernandes³

et al. 2016

SCA

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Studies of heavy metals adsorption in soil play a key role in predicting environmental susceptibility to contamination by toxic elements. The objective of this study was to evaluate cadmium (Cd) and copper (Cu) adsorption in surface and subsurface soil. Samples of six soils: Xanthic Hapludox (XH1 and XH2), Typic Hapludox (TH), Typic Rhodudalf (TR), Typic Fluvaquent (TF), and Amazonian dark earths (ADE) from Eastern Amazonian, Brazil. The soils were selected for chemical, physical and mineralogical characterization and to determine the adsorption by Langmuir and Freundlich isotherms. All soils characterized as kaolinitic, and among them, XH1 and XH2 showed the lowest fertility. The Langmuir and Freundlich isotherms revealed a higher Cu (H curve) than Cd (L curve) adsorption. Parameters of Langmuir and Freundlich isotherms indicate that soils TR, TF and ADE has the greatest capacity and affinity for metal adsorption. Correlation between the curve adsorption parameters and the soil attributes indicates that the pH, CEC, OM and MnO variables had the best influence on metal retention. The Langmuir and Freundlich isotherms satisfactorily described Cu and Cd soil adsorption, where TR, TF and ADE has a lower vulnerability to metal input to the environment. Besides the pH, CEC and OM the MnO had a significant effect on Cu and Cd adsorption in Amazon soils. Key words: Amazonian dark earths. Environmental management. Heavy metals. Isotherm. Soil pollution. ResumoEstudos de adsorção de metais pesados no solo desempenham um papel chave em prever a susceptibilidade à contaminação do ambiente por elementos tóxicos. O objetivo foi avaliar a adsorção de cádmio (Cd) e cobre (Cu) na superfície e subsuperfície de seis solos Amazônicos: Latossolo Amarelo (XH1 e XH2), Latossolo Vermelho (TH), Nitossolo Vermelho (TR), Gleissolo Háplico (TF) e Latossolo AmareloTerra Preta de Índio (ADE) da Amazônia Oriental. Os solos foram selecionados para caracterização química, física, mineralógica e determinação da capacidade máxima de adsorção pelas isotermas de Langmuir e Freundlich. Todos os solos foram caracterizados como cauliníticos, e entre eles, XH1 e XH2 apresentaram menor fertilidade.

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Adsorption characteristics of Cu and Zn onto various size fractions of aggregates from red paddy soil

Cited by 222 publications

References 45 publications

As, Cu AND Zn CONCENTRATION IN SANITARY SEWAGE SLUDGE FERTILIZED SOIL AND IN CRAMBE AND CORN GRAINS

As, Cu AND Zn CONCENTRATION IN SANITARY SEWAGE SLUDGE FERTILIZED SOIL AND IN CRAMBE AND CORN GRAINS

Bioremediation of agricultural solid waste leachates with diverse species of Cu (II) and Cd (II) by periphyton

Adsorption of cadmium and copper in representative soils of Eastern Amazonia, Brazil

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