Immobilization of Co and Ni in Mining-Impacted Soils Using Phosphate Amendments

Mignardi, Silvano; Corami, Alessia; Ferrini, Vincenzo

doi:10.1007/s11270-013-1447-y

Cited by 34 publications

(19 citation statements)

References 56 publications

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“…1). Similar to the current study, Mignardi et al (2013) have also reported about 99% reduction in water-soluble concentrations of Co and Ni following phosphate amendment at mine areas of Sardinia and Tuscany located in Italy. Basta and McGowen (2004) have used three chemical immobilization materials: agricultural limestone (AL), mineral rock phosphate (RP) and diammonium phosphate (DAP) to determine their ability to reduce heavy metal transport in a smelter contaminated soil.…”

Section: Concentration Of Ni In Soil and Plant Partssupporting

confidence: 90%

“…It was observed that DAP treatments were superior to all other materials for reducing Cd and Zn elution with reduction 477% for Zn and 491% for Cd. The decreased Ni content in the root and shoot of R. sativus could occur due to binding of Ni with the phosphate present in DAP as suggested in other studies (Basta and McGowen, 2004;Mignardi et al, 2013). Khan et al (2013) on the basis of field experiment showed that the application of DAP reduced the availability of Pb to wheat plant grown in waste water irrigated fields due to formation of insoluble complex with phosphate compound.…”

Section: Concentration Of Ni In Soil and Plant Partsmentioning

confidence: 60%

“…The application of phosphate amendments to contaminated soils has been identified as a potentially efficient in situ remediation method (Zhao et al, 2014). Phosphate has been shown to effectively immobilize heavy metals in contaminated soils (Khan et al, , 2013Mignardi et al, 2013;Sanderson et al, 2014). Sources of phosphate for stabilization include phosphate containing minerals (natural or synthetic apatites, and hydroxyapatites) and soluble phosphate such as phosphate-based salts and phosphoric acid.…”

Section: Introductionmentioning

confidence: 99%

“…A study showed that hydroxyapatite effectively immobilizes Pb in solution by formation of hydroxypyromorphite (Cao et al, 2003). Possible metal immobilization mechanisms include ion exchange process, surface complexation, dissolution of the original phosphate minerals, and precipitation of new metal Contents lists available at ScienceDirect journal homepage: www.elsevier.com/locate/ecoenv phosphates and co-precipitation (Cao et al, 2004;Kumpiene et al, 2008;Mignardi et al, 2013). Diammonium phosphate (DAP) fertilizer is an excellent source of phosphorus (P) and nitrogen (N) for plant nutrition.…”

Section: Introductionmentioning

confidence: 99%

“…The DAP treatment at 460, 920, and 2300 mg DAP kg À 1 soil were evaluated using solute transport experiments and it was found that with increase in DAP doses the metal transportation decreased. Phosphate amendments were applied to heavy metal-contaminated soils from sulfide mine areas in Sardinia and Tuscany (Italy) by Mignardi et al (2013). It was found that the application of phosphate amendments to the polluted mine waste soils reduced water-soluble concentrations of Co and Ni by about 99%.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

A lucrative technique to reduce Ni toxicity in Raphanus sativus plant by phosphate amendment: Special reference to plant metabolism

Singh

Prasad

2015

Ecotoxicology and Environmental Safety

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Section: Concentration Of Ni In Soil and Plant Partssupporting

confidence: 90%

Section: Concentration Of Ni In Soil and Plant Partsmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

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Section: Introductionmentioning

confidence: 99%

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A lucrative technique to reduce Ni toxicity in Raphanus sativus plant by phosphate amendment: Special reference to plant metabolism

Singh

Prasad

2015

Ecotoxicology and Environmental Safety

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Structure and Surface Study of Hydroxyapatite‐Based Materials

Costentin

Drouet

Salles

et al. 2022

Design and Applications of Hydroxyapatite‐Based Catalysts

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In addition to designing catalytic materials ever more active and selective, the emergence of new classes of greener catalysts remains very challenging. The apatite family system with hydroxyapatite (HA) structure appears as a good candidate for catalysis due to its ecocompatibility properties, its sorption ability toward organic molecules, and its tunable composition resulting into modulation of its surface properties. Depending on their mode of preparation, these inexpensive and environment-friendly apatitic calcium phosphates exhibit properties of relevance to catalysis, such as large surface area and various morphologies.However, most studies focused so far on the catalytic performance of these compounds, while the study of structure-reactivity relationships required for rationalized optimization remains rather limited. This chapter aims at providing tools to help understand the catalytic behavior of apatite compounds, giving details about their structure, surface properties, and reactivity; this will include both stoichiometric and nonstoichiometric compounds, sometimes biomimetic and potentially substituted. A special attention is dedicated to recent advances in the characterization of their structural properties (bulk and surface/interphase) that have a strong impact on their reactivity, through both experimental and computational approaches to study the mechanisms occurring in the structure or at the crystals surface, as well as thermodynamic and dynamical properties. Remaining characterization challenges for apatite-based catalysts will also be discussed. 1.an influence on the charges carried by the cation and on the related strength of the Ca-O interaction [127], which results in different adsorption properties with guest molecules. To go further, quantum calculations coupled with NMR (Nuclear Magnetic Resonance) resultsshowed the impact of the presence of OHions on the migration of Ca 2+ as well as the rotation of PO4 3groups [128]. In the hydroxyapatite structure, phosphate ions PO4 3are the largest components of the structure. As such, they provide a primary backbone via 3D compact-like piling, generating interstitial sites for the other ions of the structure. Metal cations such as Ca 2+ occupy two types of crystallographic sites, denoted Ca1 (4 sites per unit formula) and Ca2 (6 sites per unit formula), see Figure 2. Ca1 sites are localized along the trigonal axis with the coordinates (1/4, 3/4, 1/2) and (3/4, 1/4, 1/2), forming linear columns along the c-axis. Ca2 sites in contrast form equilateral triangles at z = 1/4 and z = 3/4 on the sixfold screw (senary) 63 axes. Adjacent Ca1 and Ca2 sites are linked through shared oxygen atoms from PO4 tetrahedra. Ca1 sites generate (distorted) polyhedra where the metal ion is in ninefold coordination, while in Ca2 sites it is in sevenfold coordination.The Ca2 triangles contribute to delimit so-called "apatitic channels" where ions such as OHare axially located (Figure 3) [116,120]. In calcium hydroxyapatite, the Ca2 triangular sites correspond to the narrow...

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A Freundlich‐type multi‐component approach for modeling the sorption of nickel and phosphate in soil

Padilla

Gaston

Selim

2022

Soil Science Soc of Amer J

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In this study, the effect of phosphate on Ni sorption by Mahan soil was investigated. In batch experiments, an initial solution concentration of 1 mM phosphate increased Ni sorption by 15.1%, and initial concentrations of 1 mM Ni increased phosphate sorption by 12.8%. The effect of phosphate on Ni sorption, and vice versa, was dependent on initial concentrations of either solute, with greater effects being observed with greater initial concentrations. Sequential extractions suggest that the increased sorption of either species in the presence of the other is due to a combination of electrostatic interactions and the formation of ternary complexes. A novel Freundlich-type multi-component isotherm (FMC) was developed and described the sorption of Ni both in the absence and presence of phosphate with a single set of parameters. The effect of phosphate on the sorption kinetics of Ni was evaluated using the stirred-flow approach. The presence of phosphate increased the maximum sorbed concentration of Ni by 7.3% and increased the rate of Ni sorption. A novel Freundlich-type multicomponent kinetic model (FKM) was developed and described the stirred-flow data well. The FKM was able to describe the sorption-desorption of both Ni and phosphate applied individually as well as simultaneously. The FMC and FKM offer advantages over previous modeling approaches in that they require far fewer parameters than surface complexation models and have greater descriptive capabilities than traditional empirical models. However, both models are empirical, and their ability to describe the observed data should not be taken to imply specific molecular-level mechanisms.

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Immobilization of Co and Ni in Mining-Impacted Soils Using Phosphate Amendments

Cited by 34 publications

References 56 publications

A lucrative technique to reduce Ni toxicity in Raphanus sativus plant by phosphate amendment: Special reference to plant metabolism

A lucrative technique to reduce Ni toxicity in Raphanus sativus plant by phosphate amendment: Special reference to plant metabolism

Structure and Surface Study of Hydroxyapatite‐Based Materials

A Freundlich‐type multi‐component approach for modeling the sorption of nickel and phosphate in soil

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