2020
DOI: 10.1007/s11270-020-04507-z
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Increase in Pb and Cd Adsorption by the Application of Peat in a Tropical Soil

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Cited by 23 publications
(15 citation statements)
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“…Due to the high content of OM (>90%) and huge adsorptive interfaces (cation exchange capacity >90 cmol(+)/kg), organic soils (peats) have recently been confirmed as very effective sorbents for the immobilisation or removal of Cd (as well as Zn, Pb, Ni, Cr and As) from contaminated soils [5,15] or aqueous ecosystems [16,17], thus decreasing metal availability and reducing phyto-accumulation [5]. Consequently, the NaCl and Cd interactions are likely to differ in OM-rich soils, compared with mineral OM-depleted soils, differentially influencing metal biogeochemistry and crop uptake.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the high content of OM (>90%) and huge adsorptive interfaces (cation exchange capacity >90 cmol(+)/kg), organic soils (peats) have recently been confirmed as very effective sorbents for the immobilisation or removal of Cd (as well as Zn, Pb, Ni, Cr and As) from contaminated soils [5,15] or aqueous ecosystems [16,17], thus decreasing metal availability and reducing phyto-accumulation [5]. Consequently, the NaCl and Cd interactions are likely to differ in OM-rich soils, compared with mineral OM-depleted soils, differentially influencing metal biogeochemistry and crop uptake.…”
Section: Introductionmentioning
confidence: 99%
“…Peat C is exploited for commercial use since its modified form (as liquid humic acid) is widely used as a fertilizer for local crops. The peat C is extracted and placed in piles in the field (Figure 2) to subsequently proceed to air drying (in covered area) and to modification (Marques et al, 2020). Peat C collection area by the company covers a few square kilometers in the municipality.…”
Section: Field Samplingmentioning
confidence: 99%
“…To date, knowledge is still limited, and a complete understanding of the mechanisms involved in adsorption has not been achieved. Although several studies have explored adsorption by peat from temperate and boreal climate zones (e.g., Coupal and Lalancette, 1976;Gosset et al, 1986;Chen et al, 1990;Brown et al, 2000, Qin et al, 2006Kalmykova et al, 2008;Koivula et al, 2009;Bartczak et al, 2018;Egene et al, 2018;Hammi et al, 2019), there are little works using tropical peat deposits (Petroni, 2004;Balasubramanian et al, 2009;Abat et al, 2012;Lima, 2017;Santos et al, 2018;Marques et al, 2020). Nonetheless, interest in PTE adsorption by tropical peat is increasing due to its low cost and high availability.…”
Section: Introductionmentioning
confidence: 99%
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“…The researchers concluded that soil-peat mixtures were capable of minimizing the potentially toxic metal contamination. In addition, these are affordable and cheap materials [19].…”
Section: Introductionmentioning
confidence: 99%