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High chrome exhaustion in a non-float tanning process using a sulphonic aromatic acid

Autor
Bacardit, A.; Morera, J.M.; Olle, L.; Bartolí, E.; Borràs, M.
Tipus d'activitat
Article en revista
Revista
Chemosphere
Data de publicació
2008-10
Volum
73
Número
5
Pàgina inicial
820
Pàgina final
824
DOI
https://doi.org/10.1016/j.chemosphere.2008.07.036 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0045653508009090 Obrir en finestra nova
Resum
Tanning processes performed in drums consume large amounts of water and chemicals, most of which end up in the wastewater. This study explores an alternative approach at an industrial scale to the traditional pickle-chrome tanning method. The new method replaces formic and sulphuric acids with sulphonic aromatic acid. Because it is done without float, there is a sizeable reduction in the amount of added salt and chrome salt as well as an increase in temperatures at the end of the tanning process...
Paraules clau
Chrome exhaustion, Chrome tanning, Residual float, Salinity, Tanning industry, Tanning wastewater

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