Caracterização e classificação quanto ao risco ambiental do estéril da mina de cromita do município de Andorinha, Bahia
The mineral waste studied was host rock from a chromite mine located in Andorinha/Bahia, extracted and stockpiled in yards without specific application. Host rock was submitted to chemical analysis, XRD, SEM-EDS, IR and TGA and classified according to ABNT standards for solid waste classification. Analyses confirmed that this host rock, classified as ultrabasic, consists mainly of dolomite, calcite and diopside. Hazard assessment results showed this host rock should be classified as class II B - inert waste, important for its potential application in agriculture as a soil acidity correction agent.
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Main Authors: | Teixeira,Aline Maria dos Santos, Garrido,Francisco M. S., Medeiros,Marta Eloisa, Sampaio,João Alves |
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Format: | Digital revista |
Language: | Portuguese |
Published: |
Sociedade Brasileira de Química
2012
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000900017 |
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