TREATMENT OF CHROMIC TANNERY WASTES

Authors
Citation
Z. Kowalski, TREATMENT OF CHROMIC TANNERY WASTES, Journal of hazardous materials, 37(1), 1994, pp. 137-141
Citations number
5
Categorie Soggetti
Engineering, Civil","Environmental Sciences","Engineering, Environmental
ISSN journal
03043894
Volume
37
Issue
1
Year of publication
1994
Pages
137 - 141
Database
ISI
SICI code
0304-3894(1994)37:1<137:TOCTW>2.0.ZU;2-7
Abstract
The new method for treatment of waste waters from tanneries containing chrome and large amounts of other inorganic compounds has been studie d. It was found that the addition of cement at suitable temperature an d 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, c heap and effective in all cases with very different composition of tan nery chrome-containing wastes.