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Doctoral Thesis
DOI
https://doi.org/10.11606/T.3.1991.tde-14052024-085031
Document
Author
Full name
Jose Renato Baptista de Lima
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1991
Supervisor
Committee
Chaves, Arthur Pinto (President)
Adamian, Rupen
Peres, Antonio Eduardo Clark
Siriani, Fernando Amos
Takano, Cyro
Title in Portuguese
Estudo da carboxi-metil-celulose como aglomerante para pelotização.
Keywords in Portuguese
Ferro
Minérios
Abstract in Portuguese
Foi estudado o desempenho da carboxi-metil-celulose (cmc) como reagente aglomerante para a pelotização de concentrado de minério de ferro. Diversos trabalhos anteriores mostram que o CMC apresenta possibilidades de uso, porém, concluem que, além do custo elevado, as pelotas não apresentam características adequadas quando são submetidas a altas temperaturas ou são obtidas com umidade muito elevada. Neste trabalho, através da combinação do CMC com outros reagentes, os problemas citados foram resolvidos.
Title in English
Untitled in english
Keywords in English
Iron
Ores
Abstract in English
Carboxi-methil-cellulose has been investigated as a binder for the pelletizing of iron ore concentrates. Previous studies have demonstrated the possibilities of the use of CMC, but in addition to its high cost, the pellets presented unproper behavior at high temperatures or when obtained with high moisture levels. In the work here described, these problems have been solved through the addition of other reagents to CMC.
 
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Publishing Date
2024-05-20
 
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