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首页> 外文期刊>Chemosphere >Magnetic bio-activated carbons production using different process parameters for phosphorus removal from artificially prepared phosphorus-rich and domestic wastewater
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Magnetic bio-activated carbons production using different process parameters for phosphorus removal from artificially prepared phosphorus-rich and domestic wastewater

机译：使用不同工艺参数的磁性生物活化碳产生用于从人工制备的磷的富含磷和国内废水中去除磷

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摘要

A series of magnetic bio-activated carbon (MBAC) has been produced from lignin and ferrous salts following to the process including impregnation, carbonization, and steam activation. The influence of the impregnation methods and the steam flow rate on the quality and the maximum phosphorus adsorption capacity of the produced MBACs has been investigated. The phosphorus adsorption performance in real domestic wastewater of the MBAC with the highest maximum phosphorus adsorption capacity has been investigated. The results show that all of the produced MBACs have a relatively rich porous structure, and all surface iron species exist as magnetite (Fe3O4). Compared with the MBACs that are produced via the dry impregnation method using a lower steam flow rate, the MBACs that are produced via the wet impregnation method using a higher steam flow rate are believed to have a higher iron content and better iron species dispersion. The highest maximum phosphorus adsorption capacity of all the produced MBACs is estimated to be as high as 69.80 mg-P/g according to the best-fitting Langmuir model. The MBAC that shows the highest maximum phosphorus adsorption capacity could also remove 84.65% and 96.97% of the total phosphorus from the filtered raw domestic wastewater (FRDW) and treated domestic wastewater (TDW), respectively, which indicates a good potential for using MBACs for domestic wastewater treatment. (C) 2021 The Author(s). Published by Elsevier Ltd.
机译：一系列磁性生物活性炭（MBAC）已经由木质素和亚铁盐制成，包括浸渍，碳化和蒸汽活化。研究了浸渍方法的影响和蒸汽流速对所得MBACS的质量和最大磷吸附能力。研究了MBAC的实际国内废水中的磷吸附性能，具有最高的最大磷吸附能力。结果表明，所有产生的MBAC都具有相对富孔的多孔结构，并且所有表面铁物种都存在于磁铁矿（Fe3O4）。与使用较低蒸汽流速通过干浸渍方法产生的MBAC相比，通过使用较高蒸汽流速通过湿浸渍方法产生的MBACs具有更高的铁含量和更好的铁物种分散。根据最佳拟合Langmuir模型，估计所有产生的MBAC的最大磷吸附容量的最大磷吸附容量估计高达69.80mg-p / g。显示最高磷吸附能力的MBAC也可以除去来自过滤的原料污水（FRDW）的84.65％和96.97％的总磷，并分别处理了国内废水（TDW），这表明使用MBACS的良好潜力国内污水处理。 （c）2021提交人。 elsevier有限公司出版

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  • 来源
    《Chemosphere》 |2021年第5期|129561.1-129561.9|共9页
  • 作者

    Wen Yuming; Zheng Zhaoran; Wang Shule; Han Tong; Yang Weihong; Jonsson Par Goran;

  • 作者单位

    KTH Royal Inst Technol Dept Mat Sci & Engn Brinellvagen 23 S-11428 Stockholm Sweden;

    KTH Royal Inst Technol Dept Mat Sci & Engn Brinellvagen 23 S-11428 Stockholm Sweden|BGRIMM Technol Grp Beijing 100160 Peoples R China;

    KTH Royal Inst Technol Dept Mat Sci & Engn Brinellvagen 23 S-11428 Stockholm Sweden;

    KTH Royal Inst Technol Dept Mat Sci & Engn Brinellvagen 23 S-11428 Stockholm Sweden;

    KTH Royal Inst Technol Dept Mat Sci & Engn Brinellvagen 23 S-11428 Stockholm Sweden;

    KTH Royal Inst Technol Dept Mat Sci & Engn Brinellvagen 23 S-11428 Stockholm Sweden;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Bio-activated carbon; Phosphorus adsorption; Wastewater treatment;

    机译：生物活性炭;磷吸附;废水处理;

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