Caracterização e classificação quanto ao risco ambiental do estéril da mina de cromita do município de Andorinha, Bahia
Autor: | Aline Maria dos Santos Teixeira, Francisco M. S. Garrido, Marta Eloisa Medeiros, João Alves Sampaio |
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Jazyk: | English<br />Spanish; Castilian<br />Portuguese |
Rok vydání: | 2012 |
Předmět: | |
Zdroj: | Química Nova, Vol 35, Iss 9, Pp 1794-1799 (2012) |
Druh dokumentu: | article |
ISSN: | 1678-7064 0100-4042 |
DOI: | 10.1590/S0100-40422012000900017 |
Popis: | 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. |
Databáze: | Directory of Open Access Journals |
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