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两类生物炭的抗氧化性比较

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陈静文, 张迪, 吴敏, 王朋. 两类生物炭的抗氧化性比较[J]. 环境化学, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
引用本文: 陈静文, 张迪, 吴敏, 王朋. 两类生物炭的抗氧化性比较[J]. 环境化学, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
shu
CHEN Jingwen, ZHANG Di, WU Min, WANG Peng. Comparison of oxidation resistance of two biochars[J]. Environmental Chemistry, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
Citation: CHEN Jingwen, ZHANG Di, WU Min, WANG Peng. Comparison of oxidation resistance of two biochars[J]. Environmental Chemistry, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
shu

两类生物炭的抗氧化性比较

  • 1.

    昆明理工大学环境科学与工程学院, 昆明, 650500

  • 基金项目:

    国家自然科学基金（41303093）资助.

Comparison of oxidation resistance of two biochars

  • 1.

    Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming, 650500, China

  • Fund Project:

  • 摘要: 通过对有机碳损失率及其半衰期的考察，探讨了植物及沉积物两类生物炭在4种不同的氧化剂NaClO、H2O2、Fenton试剂和KMnO4氧化时的稳定性.结果表明，木质素的含量是影响植物及其生物炭抗氧化性的主要因素；而对于沉积物及其生物炭，无机矿物对有机碳的保护作用是其稳定的主要机理.与原生物质相比，所有生物炭均表现出较高的稳定性，可以更加稳定地固定碳.
    Abstract: In this study, the oxidation resistance of two biochars was assessed based on the loss rate and half-life period of organic carbon. Four oxidants were used for the oxidation experiment of biochars, including NaClO, H2O2, Fenton and KMnO4. The content of lignin in plants and plant-derived biochars was the major factor for oxidation resistance. For sediments and sediment-derived biochars, the oxidation resistance mechanism was the protection of inorganic mineral for organic carbon. Compared with the orginal biomass, all of biochars showed higher oxidation resistance, implying that biochar could sequestrate carbon more stably and effectively.
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  • 收稿日期:  2013-10-11
陈静文, 张迪, 吴敏, 王朋. 两类生物炭的抗氧化性比较[J]. 环境化学, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
引用本文: 陈静文, 张迪, 吴敏, 王朋. 两类生物炭的抗氧化性比较[J]. 环境化学, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
shu
CHEN Jingwen, ZHANG Di, WU Min, WANG Peng. Comparison of oxidation resistance of two biochars[J]. Environmental Chemistry, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
Citation: CHEN Jingwen, ZHANG Di, WU Min, WANG Peng. Comparison of oxidation resistance of two biochars[J]. Environmental Chemistry, 2014, 33(6): 943-948. doi: 10.7524/j.issn.0254-6108.2014.06.018
shu

两类生物炭的抗氧化性比较

  • 1. 昆明理工大学环境科学与工程学院, 昆明, 650500
  • 收稿日期:  2013-10-11
基金项目:

国家自然科学基金（41303093）资助.

摘要: 通过对有机碳损失率及其半衰期的考察，探讨了植物及沉积物两类生物炭在4种不同的氧化剂NaClO、H2O2、Fenton试剂和KMnO4氧化时的稳定性.结果表明，木质素的含量是影响植物及其生物炭抗氧化性的主要因素；而对于沉积物及其生物炭，无机矿物对有机碳的保护作用是其稳定的主要机理.与原生物质相比，所有生物炭均表现出较高的稳定性，可以更加稳定地固定碳.

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