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杜川, 梁汉东, 李展平. 内蒙古乌达煤火海绵体的硫酸盐表征[J]. 环境化学, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
引用本文: 杜川, 梁汉东, 李展平. 内蒙古乌达煤火海绵体的硫酸盐表征[J]. 环境化学, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
shu
DU Chuan, LIANG Handong, LI Zhanping. Characterization of sulfate salts in the coal fire sponge in Wuda coalfield, Inner Mongolia of China[J]. Environmental Chemistry, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
Citation: DU Chuan, LIANG Handong, LI Zhanping. Characterization of sulfate salts in the coal fire sponge in Wuda coalfield, Inner Mongolia of China[J]. Environmental Chemistry, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
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内蒙古乌达煤火海绵体的硫酸盐表征

  • 1. 煤炭资源与安全开采国家重点实验室, 北京, 100083;

  • 2. 清华大学化学系, 有机光电子与分子工程教育部重点实验室, 北京, 100084;

  • 3. 中国矿业大学(北京)地球科学与测绘工程学院, 北京, 100083

    • 通讯作者: 梁汉东, E-mail: hdl6688@vip.sina.com ;  李展平, E-mail: zhanpingli@mail.tsinghua.edu.cn
  • 基金项目:

    国家自然科学基金（41772157）资助.

Characterization of sulfate salts in the coal fire sponge in Wuda coalfield, Inner Mongolia of China

  • 1. State Key Laboratory of Coal Resources and Safe Mining, Beijing, 100083, China;

  • 2. Department of Chemistry, Key Laboratory of Organic Optoelectronics&Molecular Engineering of Ministry of Education, Tsinghua University, Beijing, 100084, China;

  • 3. College of Geoscience and Surveying Engineering, China University of Mining and Technology(Beijing), Beijing, 100083, China

    • Corresponding authors: LIANG Handong, hdl6688@vip.sina.com ;  LI Zhanping, zhanpingli@mail.tsinghua.edu.cn
  • Fund Project: Supported by the National Natural Science Foundation of China (41772157).

  • 摘要: 内蒙古乌达煤火区地表存在高酸性煤火海绵体（CFS）.为了表征CFS，本文运用了飞行时间二次离子质谱（TOF-SIMS）分析方法，结果显示CFS富含HSO4-、SO4-、F-、S+、Ca+、Fe+、FeO+、FeSO+、Cd+等特征正负离子.离子成像分析进一步表明，CFS中的硫酸盐成分主要为石膏（CaSO4）、绿矾（Fe2（SO4）3）、硫酸镉（CdSO4）和硫酸氢铵（NH4HSO4）等.由此可见，研究区地表已存在酸的污染，亦显示TOF-SIMS在表征污染物化学组成方面能够发挥作用.
    Abstract: High acid coal fire sponge (CFS) exists on the surface of the Wuda coal fire area, Inner Mongolia. The characterization of CFS was carried out by time-of-flight secondary ion mass spectrometry (TOF-SIMS). The CFS is rich in ion morphology of HSO4-, SO4-, F-, S+, Ca+, Fe+, FeO+, FeSO+, Cd+ and other characteristic positive and negative ions. The results showed that the sulphur compositions of CFS were gypsum (CaSO4), copperas (Fe2 (SO4) 3), cadmium sulfate (CdSO4) and ammonium bisulfate (NH4HSO4). Thus, the surface of the study area has been contaminated with acid. It is also shown that TOF-SIMS can play a role in characterizing the chemical composition of pollutants.
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出版历程
  • 收稿日期:  2019-02-07
  • 刊出日期:  2020-01-01
杜川, 梁汉东, 李展平. 内蒙古乌达煤火海绵体的硫酸盐表征[J]. 环境化学, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
引用本文: 杜川, 梁汉东, 李展平. 内蒙古乌达煤火海绵体的硫酸盐表征[J]. 环境化学, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
shu
DU Chuan, LIANG Handong, LI Zhanping. Characterization of sulfate salts in the coal fire sponge in Wuda coalfield, Inner Mongolia of China[J]. Environmental Chemistry, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
Citation: DU Chuan, LIANG Handong, LI Zhanping. Characterization of sulfate salts in the coal fire sponge in Wuda coalfield, Inner Mongolia of China[J]. Environmental Chemistry, 2020, (1): 264-270. doi: 10.7524/j.issn.0254-6108.2019020701
shu

内蒙古乌达煤火海绵体的硫酸盐表征

    通讯作者: 梁汉东, E-mail: hdl6688@vip.sina.com ;  李展平, E-mail: zhanpingli@mail.tsinghua.edu.cn
  • 1. 煤炭资源与安全开采国家重点实验室, 北京, 100083;
  • 2. 清华大学化学系, 有机光电子与分子工程教育部重点实验室, 北京, 100084;
  • 3. 中国矿业大学(北京)地球科学与测绘工程学院, 北京, 100083
  • 收稿日期:  2019-02-07
  • 网络出版日期:  2020-01-01
基金项目:

国家自然科学基金（41772157）资助.

摘要: 内蒙古乌达煤火区地表存在高酸性煤火海绵体（CFS）.为了表征CFS，本文运用了飞行时间二次离子质谱（TOF-SIMS）分析方法，结果显示CFS富含HSO4-、SO4-、F-、S+、Ca+、Fe+、FeO+、FeSO+、Cd+等特征正负离子.离子成像分析进一步表明，CFS中的硫酸盐成分主要为石膏（CaSO4）、绿矾（Fe2（SO4）3）、硫酸镉（CdSO4）和硫酸氢铵（NH4HSO4）等.由此可见，研究区地表已存在酸的污染，亦显示TOF-SIMS在表征污染物化学组成方面能够发挥作用.

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