Factors influencing chromium recovery from chromium sulphate tanned leather scrap ashes

@inproceedings{Carneiro2003FactorsIC,
  title={Factors influencing chromium recovery from chromium sulphate tanned leather scrap ashes},
  author={S.A.V. Carneiro and Manuel Almeida and M. J. M. Ferreira},
  year={2003}
}
Basic chromium salt is the main tanning reagent used all over the world and it represents one of the most important applications of chromium salts. When leather scrap tanned with chromium sulphate is burned, the respective ashes contain meaningful amounts of chromium, some of it in the hexavalent form. This paper presents some efforts aimed at using the ashes from a fixed grate incinerator (FGI) as a source of chromium for various applications. Two types of ashes were characterised. Several… CONTINUE READING

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