| Titre : |
Hydrolysis of chromium tanned leather waste : turning waste into valuable materials - A review |
| Type de document : |
texte imprimé |
| Auteurs : |
Bianca S. Scopel, Auteur ; Camila Baldasso, Auteur ; Aline Dettmer, Auteur ; R. M. C. santana, Auteur |
| Année de publication : |
2018 |
| Article en page(s) : |
p. 122-129 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Collagène
Cuir -- Déchets
Extraction (chimie)
Hydrolyse
Tannage au chrome
|
| Index. décimale : |
675.2 Préparation du cuir naturel. Tannage |
| Résumé : |
Among the reuse and/or disposal possibilities for chromium tanned leather waste (CTLW), one in particular stands out: hydrolysis. This process not only allows chromium recovery, but also the extraction of its protein, as collagen hydrolysate or as gelatin. CTLW hydrolysis has been performed for decades. However, industrial application of this important alternative has not been widespread. Thus, this review presents how CTLW alkaline hydrolysis has been evolving over the years; how the process can be adjusted to increase protein extraction yield and to produce better quality products. Finally, it reviews in which areas its products have already been tested. Here, researchers may find practical process information that might allow them to focus on the most important current issue for CTLW hydrolysis: how to upgrade this process to an industrial scale. |
| Note de contenu : |
- CTLW characterization
- CTLW alkaline hydrolysis
- Extraction yield and protein quality
- Alkalinizing agent and pH
- Time and temperature
- Application of the fractions obtained from CTLW hydrolysis |
| En ligne : |
https://drive.google.com/file/d/1OebPs4vZX9TPML4rpOwEWtA0K8ghDNNd/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=30341 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXIII, N° 4 (04/2018) . - p. 122-129
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