Análise das mudanças efetuadas na usina de tratamento de minério de ferro de carajás e suas consequências

Abstract

This paper has as an objective to describe in which ways this improvements were made, showing the modifications which the Carajás Iron Ore Mill has gone through, so the final product could be totally absorbed by the market. In regard to the production, data have been used from the daily reports of production and expedition, back from 2008 and the first six months of 2009, supplied by Vale S/A company. Based on the analysis of this data, it has been possible to demonstrate the consequences of the improvements applied.