Cd, Pb, and Zn mobility and (bio)availability in contaminated soils from a former smelting site amended with biochar

Lomaglio, Tonia; Hattab-Hambli, Nour; Miard, Florie; Lebrun, Manhattan; Nandillon, Romain; Trupiano, Dalila; Scippa, Gabriella Stefania; Gauthier, Arnaud; Motelica-Heino, Mikaël; Bourgerie, Sylvain; Morabito, Domenico

doi:10.1007/s11356-017-9521-4

Cited by 44 publications

(24 citation statements)

References 84 publications

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“…Our results regarding soil EC are consistent with the findings of previous studies [32,[39][40][41]. WB greatly increased soil EC with the increasing application rates as compared to other organic amendments might be due to its' high ash content as our studied biochar was produced from apple wood, and similar results were reported by Lomaglio et al [42] and Sial et al [36,37].…”

Section: Effect Of Amendments On Ph and Ec Of Tailingssupporting

confidence: 93%

Phytostabilization of Pb-Zn Mine Tailings with Amorpha fruticosa Aided by Organic Amendments and Triple Superphosphate

et al. 2020

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A greenhouse pot trial was conducted to investigate the effect of organic amendments combined with triple superphosphate on the bioavailability of heavy metals (HMs), Amorpha fruticosa growth and metal uptake from Pb-Zn mine tailings. Cattle manure compost (CMC), spent mushroom compost (SMC) and agricultural field soil (AFS) were applied to tailings at 5%, 10%, 20% and 30% w/w ratio, whereas sewage sludge (SS) and wood biochar (WB) were mixed at 2.5%, 5%, 10% and 20% w/w ratio. Triple superphosphate (TSP) was added to all the treatments at 4:1 (molar ratio). Amendments efficiently decreased DTPA-extracted Pb, Zn, Cd and Cu in treatments. Chlorophyll contents and shoot and root dry biomass significantly (p < 0.05) increased in the treatments of CMC (except T4 for chlorophyll b) and SMC, whereas treatments of SS (except T1 for chlorophyll a and b), WB and AFS (except T4 for chlorophyll a and b) did not show positive effects as compared to CK1. Bioconcentration factor (BCF) and translocation factor (TF) values in plant tissues were below 1 for most treatments. In amended treatments, soluble protein content increased, phenylalanine ammonialyase (PAL) and polyphenol oxidase (PPO) decreased, and catalase (CAT) activity showed varied results as compared to CK1 and CK2. Results suggested that A. fruticosa can be a potential metal phytostabilizer and use of CMC or SMC in combination with TSP are more effective than other combinations for the in situ stabilization of Pb-Zn mine tailings.

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Section: Effect Of Amendments On Ph and Ec Of Tailingssupporting

confidence: 93%

Phytostabilization of Pb-Zn Mine Tailings with Amorpha fruticosa Aided by Organic Amendments and Triple Superphosphate

et al. 2020

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“…Biochar obtained from the pyrolysis of woody biomass can be used for a number of purposes, such as for soil amendment [1][2][3][4], and as a low cost adsorbent [5][6][7][8][9][10]. As far as the former application is concerned, biochar has been demonstrated to improve soil properties [11][12][13][14][15][16][17], as well as to reduce contaminant leaching [18][19][20][21][22][23]. As an adsorbent, it represents a more economically and environmentally sustainable alternative to commercial media.…”

Section: Introductionmentioning

confidence: 99%

Application of Biochar to the Remediation of Pb-Contaminated Solutions

2018

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BIOTON® biochar, produced by a wood biomass pyrolysis process, which is usually applied as soil amendment, was investigated for a novel application, i.e., the adsorption of lead from contaminated solutions. The experimental activity included physical and chemical characterization of BIOTON®; and Scanning Electron Microscope (SEM) images to highlight its internal structure. The adsorption process was investigated through batch and column experiments. Adsorption kinetics showed very rapid achievement of equilibrium conditions, i.e., 50 mg/L and 100 mg/L initial Pb concentration at 2 h and 4 h, respectively. Complete removal also occurred within the same time. The Brunauer–Emmett–Teller model was a better fit for the equilibrium data of both Pb concentrations, whereas the kinetics were best represented by the pseudo second-order model. Column tests showed that the addition of biochar as an adsorbent media within the bed significantly extended the time of breakthrough and exhaustion, with respect to the column filled with soil only. The values found for the adsorption capacity of BIOTON®- versus lead-containing solutions were comparable to those reported for commercial adsorbents. Therefore, BIOTON® can be considered a valid option: It also offers the additional benefit of allowing the recovery of a residue, which alternately would need to be disposed of.

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“…-. The positive maximum association between EC and TDS was mainly because of the TDS, as it is the main driver for conductivity, and the main constituents of TDS are the ions present in the groundwater system [38]. Ni was negatively correlated with most of the parameters, including HCO 3 -.…”

Section: Correlation Matrix Analysismentioning

confidence: 94%

Seasonal Assessment of Groundwater Contamination in Coal Mining Areas of Balochistan

Ayub

Ahmad

2020

Sustainability

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Balochistan is a semi-arid region. The assessment of water quality is very important, as the majority of people depend on groundwater for drinking purposes. The present study involves the quality assessment and mapping of drinking water in the five selected major coal mining sites in the four districts of Balochistan. A total of 50 samples were collected from these five coal mining sites in two seasons: i.e., summer and winter. A physicochemical analysis was carried out for groundwater samples: i.e., pH, electrical conductivity (EC), total dissolved solid (TDS), CO3, HCO3-, Cl-, Ca2+, Mg2+, Na+, K+, Cd, Cr, Co, Cu, Fe, Pb, Mn, Hg, Ni, and Zn. Thematic maps were used to depict the spatial distribution of significant variables and were compared with WHO standards (2011) during both seasons. The majority of parameters crossed the safe permissible limit of WHO standards. The water quality index (WQI) was calculated for the whole monitoring data obtained from both seasons from the perspective of drinking water in each of the selected sites. Moreover, a principle component analysis (PCA) and correlation matrix was carried out for the data analysis in order to identify the source of pollution and correlation among the variables. The results suggested that the overall quality of water from the selected coal mining sites deteriorated due to the overexploitation of coal mines and mining activity. The current investigation provides a comprehensive picture of the current status of water quality in and around the selected coal mines of Balochistan.

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Cd, Pb, and Zn mobility and (bio)availability in contaminated soils from a former smelting site amended with biochar

Cited by 44 publications

References 84 publications

Phytostabilization of Pb-Zn Mine Tailings with Amorpha fruticosa Aided by Organic Amendments and Triple Superphosphate

Phytostabilization of Pb-Zn Mine Tailings with Amorpha fruticosa Aided by Organic Amendments and Triple Superphosphate

Application of Biochar to the Remediation of Pb-Contaminated Solutions

Seasonal Assessment of Groundwater Contamination in Coal Mining Areas of Balochistan

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