Journal Article10.1016/J.JHAZMAT.2016.03.080
Biochar amendment reduced methylmercury accumulation in rice plants.
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TL;DR: It is demonstrated for the first time that biochar amendment could evidently reduce grain MeHg levels, and mechanistic explanations improve understanding of MeHhg dynamics in soil-rice systems, and support the possibility of reducing MeHG phytoaccumulation under biochar Amendment.
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About: This article is published in Journal of Hazardous Materials. The article was published on 05 Aug 2016. The article focuses on the topics: Biochar.
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Citations
Remediation of heavy metal contaminated soils by biochar: Mechanisms, potential risks and applications in China.
TL;DR: Recent progresses in understanding metal-biochar interactions in soils, potential risks associated with biochar amendment, and application of biochar in soil remediation in China indicate that the remediation effect depends on the characteristics of both biochar and soil and their interactions.
554
Benefits and limitations of biochar amendment in agricultural soils: A review
Beluri Kavitha,Pullagurala Venkata Laxma Reddy,Bojeong Kim,Sang Soo Lee,Sudhir Kumar Pandey,Ki-Hyun Kim +5 more
TL;DR: The efficacy of biochar application on agricultural environments is found to be controlled by various factors such as pyrolysis temperature, feed stock, soil type, and biotic interactions and the combined effects of these factors may exert a decisive control on the overall outcome.
399
Biochar and bacteria inoculated biochar enhanced Cd and Cu immobilization and enzymatic activity in a polluted soil.
TL;DR: The results showed that, compared to the single biochar amendment, the application of biochar inoculated with NT-2 strain significantly increased the soil pH at the initial stage of incubation, and followed by a slight decline to a neutral-alkaline range during the reaction.
342
Chemical and biological immobilization mechanisms of potentially toxic elements in biochar-amended soils
TL;DR: The application of biochars for the remediation of water and soils contaminated with potentially toxic elements (PTEs) has seen a recent growing interest as discussed by the authors, where the mechanisms of chemical immobilization are discussed.
240
Recent advances in understanding and measurement of mercury in the environment: Terrestrial Hg cycling.
Kevin Bishop,James B. Shanley,Ami L. Riscassi,Heleen A. de Wit,Karin Eklöf,Bo Meng,Carl P. J. Mitchell,Stefan Osterwalder,Paul F. Schuster,Jackson Webster,Wei Zhu +10 more
TL;DR: This review documents recent advances in terrestrial mercury cycling in the framework of three Hg "gateways" to the terrestrial environment: inputs from the atmosphere, uptake in food, and runoff with surface water.
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References
A three-year experiment confirms continuous immobilization of cadmium and lead in contaminated paddy field with biochar amendment
Rongjun Bian,Stephen Joseph,Stephen Joseph,Stephen Joseph,Liqiang Cui,Genxing Pan,Lianqing Li,Xiaoyu Liu,Afeng Zhang,Helen Rutlidge,Singwei Wong,Chee Chia,Christopher E. Marjo,Bin Gong,Paul Munroe,Scott W. Donne +15 more
TL;DR: While rice plant tissues' Cd content was significantly reduced, depending on biochar application rate, reduction in plant Pb concentration was found only in root tissue, and analysis of the fresh and contaminatedBiochar particles indicated that Cd and Pb had probably been bonded with the mineral phases of Al, Fe and P on and around and inside the contaminated biochar particle.
565
Immobilization of Cu(II), Pb(II) and Cd(II) by the addition of rice straw derived biochar to a simulated polluted Ultisol.
TL;DR: In light of the decreasing zeta potential and increasing CEC, the incorporation of biochar made the negative soil surface charge more negative and the soil pH increased markedly after the addition ofBiochar, which was advantageous for heavy metal immobilization in the bulk soil.
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Transformation, Morphology, and Dissolution of Silicon and Carbon in Rice Straw-Derived Biochars under Different Pyrolytic Temperatures
TL;DR: A structural relationship betweencarbon and silicon in biochars is proposed to explain the mutual protection between carbon and silicon under different pyrolysis temperatures, which contribute to the broader understanding of biochar chemistry and structure.
504
Effects of sewage sludge biochar on plant metal availability after application to a Mediterranean soil.
TL;DR: It can be established that the risk of leaching of Cu, Ni and Zn were lower in the soil treated with biochar that in sewage sludge treatment, compared with those of raw sewagesludge treatment.
481
Sewage sludge biochar influence upon rice (Oryza sativa L) yield, metal bioaccumulation and greenhouse gas emissions from acidic paddy soil
TL;DR: SSBC can be beneficial in rice paddy soil but the actual associated benefits will depend on site-specific conditions and source of SS; long-term effects remain a further unknown.
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