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Effects of Soil Grain Size and Solution Chemistry on the Transport of Biochar Nanoparticles by Wenke Zhang; Jun Meng; Yuwei Huang; Binoy Sarkar; Bhupinder Pal Singh; Xuanwei Zhou; Jian Gao; Yunpeng Teng; Hailong Wang; Wenfu Chen is a Environmental Science article available to read on EtoBox.
What is Effects of Soil Grain Size and Solution Chemistry on the Transport of Biochar Nanoparticles about?
Biochar nanoparticles (BC-NP) have attracted significant attention because of their unique environmental behavior, some of which could potentially limit large-scale field application of biochar. Accurate prediction of the fate and transportability of BC-NP in soil matrix is the key to evaluating their environmental influence. This study investigated the effects of soil grain size and environmentally relevant solution chemistry, such as ionic strength (cation concentration, 0.1 mM–50 mM; cation type, Na^+^, and Ca^2+^), and humic acid (HA; 0–10 mg/L), on the transport behavior of BC-NP __via__ systematic column experiments. The transportability of BC-NP in the soil-packed column decreased with decreasing soil grain size and was inversely proportional to soil clay content. At low cation concentrations (0.1–1.0 mM), a considerable proportion of BC-NP (15.95%–67.17%) penetrated the soil columns. Compared with Na^+^, Ca^2+^ inhibited the transportability of BC-NP in the soil through a charge shielding effect. With increasing HA concentration, the transportability of BC-NP increased, likely due to an enhanced repulsion force between BC-NP and soil particles. However, at a high HA concent
Who reads Effects of Soil Grain Size and Solution Chemistry on the Transport of Biochar Nanoparticles?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Wenke Zhang; Jun Meng; Yuwei Huang; Binoy Sarkar; Bhupinder Pal Singh; Xuanwei Zhou; Jian Gao; Yunpeng Teng; Hailong Wang; Wenfu Chen
- Publisher
- Frontiers Media SA
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)