2021
DOI: 10.1039/d0ra10530a
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Enhancement of exchangeable Cd and Pb immobilization in contaminated soil using Mg/Al LDH-zeolite as an effective adsorbent

Abstract: In the present study, experiments using zeolite and Mg/Al LDH-zeolite for immobilization of Cd and Pb ions in artificial soil were conducted.

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Cited by 15 publications
(9 citation statements)
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References 63 publications
(89 reference statements)
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“…In the previous investigation by Dang et al (2021) [ 24 ], the unique characteristics of the experimental soil were evaluated. The analysis revealed deficient concentrations of certain elements, including Fe, Cd, Pb, Ca, Mn and Cr at 4.35 mg/kg, 0.50 mg/kg, 1.92 mg/kg, 2.72 mg/kg, 1.26 mg/kg, and 0.42 mg/kg, respectively.…”
Section: Resultsmentioning
confidence: 99%
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“…In the previous investigation by Dang et al (2021) [ 24 ], the unique characteristics of the experimental soil were evaluated. The analysis revealed deficient concentrations of certain elements, including Fe, Cd, Pb, Ca, Mn and Cr at 4.35 mg/kg, 0.50 mg/kg, 1.92 mg/kg, 2.72 mg/kg, 1.26 mg/kg, and 0.42 mg/kg, respectively.…”
Section: Resultsmentioning
confidence: 99%
“…The synthesis of MALZ was carried out employing the co-precipitation technique, as previously described in our prior publication [ 24 ]. The natural zeolite employed in the experiments exhibited a small particle size of <1 nm.…”
Section: Methodsmentioning
confidence: 99%
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“…Probably, Cd is a highly mobile contaminant in soil (Dong et al, 2019;Kubier et al, 2019); thus it may be easily substituted from the surface functional groups of clay minerals by the other metal ions (Ahmadipour et al, 2014). On the other hand, CaCO 3 may effectively immobilize Cd in the form of CdCO 3 precipitate (Dang et al, 2021). Cobalt (Co) was correlated positively with soil pH, CaCO 3 content and soil organic matter whilenegatively correlated with the clay content in soil.Although, the mobility of Co in soil is less than that of Cd (Kubier et al, 2019); yet Co mobilitycould bedetectable (Medyńska-Juraszek et al, 2020) in highly contaminated soils (Jović et al, 2017).…”
Section: CDmentioning
confidence: 99%
“…Điều này cũng giải thích sự có cao của Cr trong dạng cặn dư F5 và đồng thời cho thấy tính ổn định và liên kết mạnh của Cr với các khoáng chất hoặc thành phần cấu trúc tinh thể khoáng chất không thể hòa tan vào nước [15], [32]. Tuy nhiên, sự thay đổi pH còn phụ thuộc nhiều vào các yếu tố khác trong bụi đường như sự có mặt của CaCO3, hay thành phần của các chất hữu cơ (OC) [33], [34]. Một số nghiên cứu trước đây đã chứng minh rằng Cr (III) có nguồn gốc từ quá trình khử Cr (VI) tạo thành các phức chất bề mặt của chất hữu cơ và oxit sắt [35], [36].…”
Section: Hình 2 Phân Bố Các Dạng Liên Kết Hóa Học Của Cr Trong Bụi đườNgunclassified