Multiple heavy metal immobilization and strength improvement of contaminated soil using bio-mediated calcite precipitation technique

Sharma, Meghna; Satyam, Neelima; Reddy, Krishna R.; Chrysochoou, Maria

doi:10.1007/s11356-022-19551-x

Cited by 19 publications

(2 citation statements)

References 76 publications

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“…First, the metals are found in the soil solution (liquid phase), followed by the exchangeable fraction (adsorbed in soil particles). From the metal forms present in the soil solution, simple ions (such as Pb 2+ or Zn 2+ ) are more easily taken up than complex ions [52,53] in natural conditions [55,56]. These reasons may partly account for the increased Zn and Pb content of the analysed Ch.…”

Section: Discussionmentioning

confidence: 99%

Relationships between Heavy Metal Concentrations in Greater Celandine (Chelidonium majus L.) Tissues and Soil in Urban Parks

Rahmonov

Środek

Pytel

et al. 2023

IJERPH

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Anthropogenic ecological ecosystems create favourable conditions for the growth of the nitrophilous medicinal species Chelidonium majus in six urban parks in Southern Poland. This study focuses on the concentrations of trace elements in the soils, leaves, stems, and rhizomes of greater celandine. The soil samples were taken only in the humus horizon (A), which averaged approximately 15 cm in thickness under the clumps of Ch. majus. Regarding the reaction, the soil samples tested can be described as slightly acidic (5.6–6.8 in KCl) to alkaline (7.1–7.4 in H2O). Organic carbon content at all sites is high, ranging from 3.2% to 13.6%, while the highest total nitrogen (Nt) content is 0.664%. The average total phosphorus (Pt) content in all samples is 548.8 mg/kg (and its range is 298–940 mg/kg), such values indicating its anthropogenic origin. In terms of heavy metals, Zn has the highest content in the analysed soil samples compared to the other elements, and its range is from 394.50 mg/kg to 1363.80 mg/kg in soil. In rhizomes, Zn also has the highest values (178.7–408.3 mg/kg), whereas, in stems and leaves, it varies (from 80.6 to 227.5 and from 57.8 to 297.4 mg/kg, respectively). Spearman’s rank correlation showed high correlations between the content of Pb, Zn, Cd, and As in the soil and rhizomes of Ch. majus. Despite soil contamination with Pb, Cd, and Zn, Ch. majus does not accumulate them in its tissues. However, the translocation of Hg and Cr from rhizomes to leaves was observed. The different concentrations of metals in each park result from the degree of diversity of the parent rocks on which the soil was formed.

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Section: Discussionmentioning

confidence: 99%

Relationships between Heavy Metal Concentrations in Greater Celandine (Chelidonium majus L.) Tissues and Soil in Urban Parks

Rahmonov

Środek

Pytel

et al. 2023

IJERPH

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“…After sampling, microorganisms are used to remove heavy metals in the samples. This requires the preparation of a certain concentration of microorganism solution, and then the solution is extracted into soil samples, and then the soil heavy metal content is tested [18][19]. The calculation formula is:…”

Section: Soil Heavy Metal Content Testmentioning

confidence: 99%

Microbial Ecological Effects and Remediation of Heavy Metal-contaminated Soil Estimated by Simultaneous Equations Based on Panel Data

2022

AJEB

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Microorganisms also play an important role in soil ecosystems. Microorganisms can adsorb heavy metals in soil. Therefore, microbial remediation technology is widely used in the remediation of heavy metal-contaminated soils. It is of great significance to carry out research on soil microbial ecological effects in polluted areas to solve the problem of remediation and improvement of contaminated soil. This paper collects soil samples contaminated by heavy metals in a certain area, and measures the panel data such as pH value, electrical conductivity, and heavy metal content of the soil samples, and then uses microbial remediation technology to remediate the contaminated soil, and estimates the analysis results through the combined removal of heavy metals and soil remediation. It was found that the organophosphate-solubilizing bacteria OPW2-6 could increase the soil pH, thus improving the soil properties and achieving a good remediation effect.

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State of the Art Review on the Geochemical, Microbial and Environmental Aspects of Passive Acid Mine Drainage Treatment Techniques

Kaushik

2023

Geoenvironmental and Geotechnical Issues of Coal Mine Overburden and Mine Tailings

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Multiple heavy metal immobilization and strength improvement of contaminated soil using bio-mediated calcite precipitation technique

Cited by 19 publications

References 76 publications

Relationships between Heavy Metal Concentrations in Greater Celandine (Chelidonium majus L.) Tissues and Soil in Urban Parks

Relationships between Heavy Metal Concentrations in Greater Celandine (Chelidonium majus L.) Tissues and Soil in Urban Parks

Microbial Ecological Effects and Remediation of Heavy Metal-contaminated Soil Estimated by Simultaneous Equations Based on Panel Data

State of the Art Review on the Geochemical, Microbial and Environmental Aspects of Passive Acid Mine Drainage Treatment Techniques

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