2004
DOI: 10.1590/s0370-44672004000200009
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Reciclagem da poeira e lama geradas na fabricação de aço inoxidável

Abstract: Foi realizado, em escala de laboratório, um estudo da recuperação dos metais cromo e níquel, contidos em resíduos gerados no processo de fabricação de aço inoxidável, utilizando-se altas temperaturas (1570, 1600 e 1635ºC). A maioria desses tipos de resíduos, principalmente a lama, ainda é disposta em aterros ou estocada. Nesse trabalho foram utilizados dois tipos de resíduo com alto teor de cromo, uma poeira (RESA) e o uma lama (RESB). A primeira etapa do estudo, fundamental para o estudo visando à reciclagem … Show more

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Cited by 4 publications
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“…Presently there are many alternative processes with this purpose, like zinc recovery from steelmaking dusts (sludge). (1)(2)(3)(4)(5) In the Caron process for nickel production a large amount of sludges are generated due to low nickel concentration in the ore. This sludge still contains around 0.5%Ni and is the residue after reduction and leaching of ore by ammonia solution.…”
Section: Introductionmentioning
confidence: 99%
“…Presently there are many alternative processes with this purpose, like zinc recovery from steelmaking dusts (sludge). (1)(2)(3)(4)(5) In the Caron process for nickel production a large amount of sludges are generated due to low nickel concentration in the ore. This sludge still contains around 0.5%Ni and is the residue after reduction and leaching of ore by ammonia solution.…”
Section: Introductionmentioning
confidence: 99%