Treatment of chromic tannery wastes

The new method for treatment of waste waters from tanneries containing chrome and large amounts of other inorganic compounds has been studied. It was found that the addition of cement at suitable temperature and pH results in a decrease of Cr(III) and Fe(III) contents. The method has been verified i...

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Bibliographic Details
Published in:Journal of hazardous materials 1994, Vol.37 (1), p.137-141
Main Author: Kowalski, Zygmunt
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Industrial wastewaters
Pollution
Wastewaters
Water treatment and pollution
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Summary:The new method for treatment of waste waters from tanneries containing chrome and large amounts of other inorganic compounds has been studied. It was found that the addition of cement at suitable temperature and pH results in a decrease of Cr(III) and Fe(III) contents. The method has been verified in practice in five tanneries. It is very simple, cheap and effective in all cases with very different composition of tannery chrome-containing wastes.
ISSN:0304-3894
1873-3336
DOI:10.1016/0304-3894(94)85042-9