2024-03-28T09:32:15Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/2169942020-12-30T12:45:04Zcom_10261_5062com_10261_5col_10261_5064
DIGITAL.CSIC
author
Trechera, Pedro
author
Moreno, Teresa
author
Córdoba, Patricia
author
Moreno, Natalia
author
Zhuang, Xinguo
author
Li, Baoqing
author
Li, Jing
author
Shangguan, Yunfei
author
Kandler, Konrad
author
Oliete Dominguez, Ana
author
Kelly, Frank
author
Querol, Xavier
orcid
Moreno, Natalia [0000-0003-1488-2561]
orcid
Moreno, Teresa [0000-0003-3235-1027]
orcid
[0000-0002-6549-9899]
2020-07-24T10:36:37Z
2020-07-24T10:36:37Z
2020-11-15
Journal of Hazardous Materials 399: 122935 (2020)
http://hdl.handle.net/10261/216994
10.1016/j.jhazmat.2020.122935
We focus on a comparison of the geochemistry and mineralogy patterns found in coal, deposited dust (DD), respirable deposited dust (RDD) and inhalable suspended dust (PM10) from a number of underground mines located in China, with an emphasis on potential occupational health relevance. After obtaining the RDD from DD, a toxicological analysis (oxidative potential, OP) was carried out and compared with their geochemical patterns. The results demonstrate: i) a dependence of RDD/DD on the moisture content for high rank coals that does not exist for low rank coals; ii) RDD enrichment in a number of minerals and/or elements related to the parent coal, the wear on mining machinery, lime gunited walls and acid mine drainage; and iii) the geochemical patterns of RDD obtained from DD can be compared with PM10 with relatively good agreement, demonstrating that the characterization of DD and RDD can be used as a proxy to help evaluate the geochemical patterns of suspended PM10. With regards to the toxicological properties of RDD, the Fe content and other by-products of pyrite oxidation, as well as that of anatase, along with Si, Mn and Ba, and particle size (among others), were highly correlated with Ascorbic Acid and/or Glutathione OP.
eng
openAccess
Coal mining dust
Chemistry
China
Toxicology
Occupational exposure
Mineralogy, geochemistry and toxicity of size-segregated respirable deposited dust in underground coal mines
artículo
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URL
https://digital.csic.es/bitstream/10261/216994/1/Mineralogy%2c%20geochemistry%20and%20toxicity%20of%20size-segregated%20respirable%20deposited%20dust%20in%20underground%20coal%20mines%20%282%29.pdf
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Mineralogy, geochemistry and toxicity of size-segregated respirable deposited dust in underground coal mines (2).pdf
URL
https://digital.csic.es/bitstream/10261/216994/2/1-s2.0-S0304389420309249-mmc1.docx
File
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