The behavior of heavy metals in the process of desulfurization of brazilian coal combustion gases by the addition of limestone

The concentrations of heavy metals in two kinds of Brazilian coals at 100° C (acid digestion) and at 850° C were studied (ashes the obtained in muffle furnace with and without addition of limestone). Data were analyzed by flame atomic absorption, using the air acetylene flame. For Pb, Zn, Ni, Mn and...

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Bibliographic Details
Main Author: Sebag, Maria da Graca (author)
Other Authors: Braganca, Saulo Roca (author), Normann, Margareth (author), Jablonski, Andre (author)
Format: article other
Language:eng
Published: 2013
Subjects:
Online Access:http://hdl.handle.net/10183/75855
Country:Brazil
Oai:oai:www.lume.ufrgs.br:10183/75855