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首页> 外文期刊>Journal of industrial and engineering chemistry >Assessing the effect of surface hydrophobicity/hydrophilicity on pollutant leaching potential of biochar in water treatment
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Assessing the effect of surface hydrophobicity/hydrophilicity on pollutant leaching potential of biochar in water treatment

机译：评估表面疏水性/亲水性对水处理中生物炭污染物浸出潜力的影响

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This study investigated the role of surface hydrophobicity/hydrophilicity of biochar on its pollutant leaching potential (pollutants originally in biomass feedstock), including nutrients, organic matter and metals, in water treatment applications. The study outcomes confirmed that biochar with greater hydrophilic surface leached comparatively higher loads of nutrients and organic matter compared to biochar with mostly hydrophobic surface, while biochar with greater hydrophilic surface leached lower metal loads. This trend is attributed to the changes to the physical and chemical properties of biochar including specific surface area and surface functional groups, as well as being related to the binding forces between the biochar surface and the different compounds. Further, the study results substantiated the significant influence of surface characteristics of biochar, and its preparation process on pollutant leaching potential. The study outcomes provide essential guidance on the appropriate use of biochar as an adsorbent in water treatment, including raw biomass selection and the production processes to be adopted. (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：本研究研究了生物炭表面疏水性/亲水性对其污染物浸出潜力（最初在生物质原料中的污染物）的作用，包括水处理应用中的营养，有机物和金属。研究结果证实，与具有大多是疏水表面的生物炭相比，生物炭具有相对较高的营养物质和有机物质的戒毒，而具有更高亲水性表面浸出的低金属负载的生物炭。这种趋势归因于生物炭的物理和化学性质的变化，包括比表面积和表面官能团，以及与生物炭表面和不同化合物之间的结合力有关。此外，研究结果证实了生物炭表面特征的显着影响，以及其对污染物浸出潜力的制备方法。该研究结果提供了对水处理中适当使用生物炭的基本指导，包括原料生物量选择和要采用的生产过程。 （c）2020朝鲜工业与工程化学学会。 elsevier b.v出版。保留所有权利。

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