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首页> 外文期刊>Fuel >Chromium and vanadium bearing nanominerals and ultra-fine particles in a super-high-organic-sulfur coal from Ganhe coalmine, Yanshan Coalfield, Yunnan, China
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Chromium and vanadium bearing nanominerals and ultra-fine particles in a super-high-organic-sulfur coal from Ganhe coalmine, Yanshan Coalfield, Yunnan, China

机译：云南燕山煤田甘河煤矿超高有机硫煤中含铬和钒的纳米矿物和超细颗粒

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摘要

The Late Permian coal of the Ganhe coalmine (Ganhe coal) from Yanshan coalfield, Yunnan, southwestern China, is a super-high-organic-sulfur (SHOS) coal that has a total sulfur content of 9.3-12.4% (dry basis) and an organic sulfur content of 7.4-10.5% (dry basis). Compared with average trace elemental abundances of ordinary Chinese coals and worldwide hard coals, the Ganhe coal is remarkably rich in chromium (Cr, 389 mu g/g) and vanadium (V, 554 mu g/g) (on the whole coal basis), which show negative correlations with ash yield. The result from statistical analysis seems to imply predominately the organic association of Cr and V in the Ganhe coal. Furthermore, Cr and/or V were identified in association with Al-Si (muscovite, illite, and pyrophyllite), Fe (pyrite, jarosite, Fe-S-Cr particle, and Fe-Cr-Au particles), and Ti (Ti-oxides) nanominerals in maceral components through further nanoscale mineralogical examination using high resolution transmission electron microscopy (HR-TEM) and scanning transmission electron microscopy (STEM) coupled with energy-dispersive X-ray spectrometry (EDS). Furthermore, compared with Fe-bearing nanominerals in two medium-organic sulfur coals from northeast India (Ribeiro et al., 2010), more types of nanominerals (Al-Si, Fe, Ti nanominerals) are found in the Ganhe SHOS coal. Additionally, in these nanominerals, nano Ti-oxides are associated with the largest proportions of Cr and V. The origin and association mechanism of Cr and/or V bearing nanominerals still need further investigation. (C) 2017 Elsevier Ltd. All rights reserved.
机译：来自中国西南云南燕山煤田的甘河煤矿的晚二叠纪煤（甘河煤）是一种超高有机硫（SHOS）煤，总硫含量为9.3-12.4％（干基），且有机硫含量为7.4-10.5％（以干基计）。与普通中国煤炭和世界范围内的硬煤的平均痕量元素丰度相比，赣和煤的铬（Cr，389μg / g）和钒（V，554μg / g）（按全煤计算）非常丰富。 ，其与灰分产量呈负相关。统计分析的结果似乎暗示着赣河煤中Cr和V的有机缔合。此外，Cr和/或V与Al-Si（白云母，伊利石和叶蜡石），Fe（黄铁矿，黄铁矿，Fe-S-Cr颗粒和Fe-Cr-Au颗粒）以及Ti（Ti）有关通过高分辨率的透射电子显微镜（HR-TEM）和扫描透射电子显微镜（STEM）结合能量色散X射线光谱仪（EDS）进行进一步的纳米级矿物学检查，可以检测成分中的纳米氧化物。此外，与印度东北部的两种中等有机硫煤中的含铁纳米矿物相比（Ribeiro等人，2010），在甘河SHOS煤中发现了更多类型的纳米矿物（Al-Si，Fe，Ti纳米矿物）。另外，在这些纳米矿物中，纳米钛氧化物与最大比例的Cr和V有关。含Cr和/或V的纳米矿物的起源和缔合机理仍需进一步研究。 （C）2017 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Fuel》 |2017年第1期|832-842|共11页
  • 作者

    Zhao Yueyuan; Zeng Fangui; Liang Huzhen; Tang Yuegang; Li Meifen; Xiang Jianhua; Wen Xiaotong;

  • 作者单位

    Taiyuan Univ Technol, Shanxi Key Lab Coal & Coal Measure Gas Geol, Taiyuan 030024, Peoples R China|Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Coal & Coal Measure Gas Geol, Taiyuan 030024, Peoples R China|Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Coal & Coal Measure Gas Geol, Taiyuan 030024, Peoples R China|Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China;

    China Univ Min & Technol Beijing, Coll Geosci & Surveying Engn, Beijing 100083, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Coal & Coal Measure Gas Geol, Taiyuan 030024, Peoples R China|Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Coal & Coal Measure Gas Geol, Taiyuan 030024, Peoples R China|Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China;

    Taiyuan Univ Technol, Shanxi Key Lab Coal & Coal Measure Gas Geol, Taiyuan 030024, Peoples R China|Shanxi Inst Mineral Resource, Taiyuan 030001, Peoples R China;

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

    Super-high-organic-sulfur coal; Cr; V; Nanominerals;

    机译：超高有机硫煤;Cr;V;纳米矿物;

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