| Titre : |
Release of chrome in chrome tanning and post tanning process |
| Type de document : |
texte imprimé |
| Auteurs : |
Zhou Jian, Auteur ; Hu Shuxiang, Auteur ; Ya-Nan Wang, Auteur ; Qiang He, Auteur ; Xuepin Liao, Auteur ; Wenhua Zhang, Auteur ; Bi Shi, Auteur |
| Année de publication : |
2012 |
| Article en page(s) : |
p. 157-162 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Eaux usées -- Analyse
Eaux usées -- Teneur en chrome hexavalent
Retannage
Tannage -- Aspect de l'environnement
Tannage au chrome
|
| Index. décimale : |
675.2 Préparation du cuir naturel. Tannage |
| Résumé : |
The distribution of chrome in the wastewaters for chrome tanning and post tanning processes was investigated. The results indicate that the residual chrome in chrome tanning and rechroming wastewaters is the main origin of chrome in effluent. Meanwhile, a considerable amount of chrome is released from leather in almost all the post tanning processes, including washing, neutralizing, retanning with various retanning agents, dyeing, fatliquoring and acid fixation. As a result, more than 60% of the chrome added is discharged into wastewater. It is interesting that the shrinkage temperature of leather does not decrease along with the release of chrome. |
| Note de contenu : |
- MATERIALS : Chrome tanning and post tanning processes - Chrome distribution in wastewaters - Chrome content in leather - Shrinkage temperature
- RELEASE OF CHROME IN CHROME TANNING TO NEUTRALIZATION PROCESSES : Chrome concentration in wastewater - Cr2O3 content in leather - Shrinkage temperature - Shrinkage temperature
- RELEASE OF CHROME IN DYEING AND FATLIQUORING PROCESSES : Chrome concentration in wastewater - Shrinkage temperature |
| En ligne : |
https://drive.google.com/file/d/1UPYtup3XMoWkEFOkSBJXtIfqVh-_Ck3N/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=15701 |
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 96, N° 4 (07-08/2012) . - p. 157-162
Aller sur edunet
Accueil
Ajouter le résultat dans votre panier Affiner la rechercheRelease of chrome in chrome tanning and post tanning process in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 96, N° 4 (07-08/2012)
