Influence of bioenergy waste biochar on proton- and ligand-promoted release of Pb and Cu in a shooting range soil
Article
Kumarathilaka, Prasanna, Ahmad, Mahtab, Herath, Indika, Mahatantila, Kushani, Athapattu, B. C. L., Rinklebe, Jörg, Ok, Yong Sik, Usman, Adel, Al-Wabel, Mohammad I., Abduljabbar, Adel and Vithanage, Meththika. 2018. "Influence of bioenergy waste biochar on proton- and ligand-promoted release of Pb and Cu in a shooting range soil." Science of the Total Environment. 625, pp. 547-554. https://doi.org/10.1016/j.scitotenv.2017.12.294
| Article Title | Influence of bioenergy waste biochar on proton- and ligand-promoted release of Pb and Cu in a shooting range soil |
|---|---|
| ERA Journal ID | 3551 |
| Article Category | Article |
| Authors | Kumarathilaka, Prasanna, Ahmad, Mahtab, Herath, Indika, Mahatantila, Kushani, Athapattu, B. C. L., Rinklebe, Jörg, Ok, Yong Sik, Usman, Adel, Al-Wabel, Mohammad I., Abduljabbar, Adel and Vithanage, Meththika |
| Journal Title | Science of the Total Environment |
| Journal Citation | 625, pp. 547-554 |
| Number of Pages | 8 |
| Year | 2018 |
| Publisher | Elsevier |
| Place of Publication | Netherlands |
| ISSN | 0048-9697 |
| 1879-1026 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1016/j.scitotenv.2017.12.294 |
| Web Address (URL) | https://www.sciencedirect.com/science/article/pii/S0048969717337270 |
| Abstract | Presence of organic and inorganic acids influences the release rates of trace metals (TMs) bound in contaminated soil systems. This study aimed to investigate the influence of bioenergy waste biochar, derived from Gliricidia sepium (GBC), on the proton and ligand-induced bioavailability of Pb and Cu in a shooting range soil (17,066 mg Pb and 1134 mg Cu per kg soil) in the presence of inorganic (sulfuric, nitric, and hydrochloric) and organic acids (acetic, citric, and oxalic). Release rates of Pb and Cu in the shooting range soil were determined under different acid concentrations (0.05, 0.1, 0.5, 1, 5, and 10 mM) and in the presence/absence of GBC (10% by weight of soil). The dissolution rates of Pb and Cu increased with increasing acid concentrations. Lead was preferentially released (2.79 × 10− 13 to 8.86 × 10− 13 mol m− 2 s− 1) than Cu (1.07 × 10− 13 to 1.02 × 10− 13 mol m− 2 s− 1) which could be due to the excessive Pb concentrations in soil. However, the addition of GBC to soil reduced Pb and Cu dissolution rates to a greater extent of 10.0 to 99.5% and 15.6 to 99.5%, respectively, under various acid concentrations. The increased pH in the medium and different adsorption mechanisms, including electrostatic attractions, surface diffusion, ion exchange, precipitation, and complexation could immobilize Pb and Cu released by the proton and ligands in GBC amended soil. Overall, GBC could be utilized as an effective soil amendment to immobilize Pb and Cu in shooting range soil even under the influence of soil acidity. |
| Keywords | Amendment; Dissolution; Immobilization; Trace metal release |
| Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
| Funder | King Saud University |
| Byline Affiliations | National Institute of Fundamental Studies, Sri Lanka |
| King Saud University, Saudi Arabia | |
| Quaid-i-Azam University, Pakistan | |
| Industrial Technology Institute, Sri Lanka | |
| Open University of Sri Lanka, Sri Lanka | |
| University of Wuppertal, Germany | |
| Sejong University, Korea | |
| Korea Biochar Research Center, Korea | |
| Assiut University, Egypt | |
| University of Sri Jayewardenepura, Sri Lanka | |
| Library Services |
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Jayawardhana, Y., Kumarathilaka, P., Herath, I. and Vithanage, M.. 2016. "Municipal Solid Waste Biochar for Prevention of Pollution From Landfill Leachate." Prasad, M. N. V. and Shih, Kaimin (ed.) Environmental Materials and Waste: Resource Recovery and Pollution Prevention. Netherlands. Elsevier. pp. 117-148Characterizing volatile organic compounds in leachate from Gohagoda municipal solid waste dumpsite, Sri Lanka
Kumarathilaka, Prasanna, Jayawardhana, Yohan, Basnayake, B. F. A., Mowjood, M. I. M., Nagamori, M., Saito, Takeshi, Kawamoto, Ken and Vithanage, Meththika. 2016. "Characterizing volatile organic compounds in leachate from Gohagoda municipal solid waste dumpsite, Sri Lanka." Groundwater for Sustainable Development. 2-3, pp. 1-6. https://doi.org/10.1016/j.gsd.2016.04.001Perchlorate mobilization of metals in serpentine soils
Kumarathilaka, Prasanna, Oze, Christopher and Vithanage, Meththika. 2016. "Perchlorate mobilization of metals in serpentine soils." Applied Geochemistry. 74, pp. 203-209. https://doi.org/10.1016/j.apgeochem.2016.10.009This item comprises data from the following sources: Scopus