| Titre : |
The biodegradabilities of rape oil-based fatliquors prepared from different methods |
| Type de document : |
texte imprimé |
| Auteurs : |
Zhaoyang Luo, Auteur ; Jian Yao, Auteur ; Haojun Fan, Auteur ; Xia Chunchun, Auteur ; Shanshan Wang, Auteur |
| Année de publication : |
2010 |
| Article en page(s) : |
p. 121-128 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Biodégradation
Huile de colza
Produits de nourriture du cuir
|
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
Rape oil-based fatliquors were prepared from different methods such as sulfated, sulfonated, oxidized-sulphited, phosphated or copolymerization and their biodegradabilities were investigated by evaluations of the respirations, BOD5/COD values and COD, TOC removal ratios. The results indicate that the BOD5/COD values and the COD, TOC removal ratio of all products are higher than 0.45 and 85 %, respectively, showing a biodegradability order of phosphate>sulfonated>oxidized-sulphited>sulfated>copolymeric and biodegradable characteristics. Further study indicates that the difference in the biodegradability is closely related to the content of double bonds and hydroxyl groups in resultant fatliquors for different modification methods ; the one which consumes the double bonds or hydroxyl groups will decrease its biodegradability, whilst others which do not consume the double bonds or hydroxyl groups will impart the product better biodegradability. |
| Note de contenu : |
- EXPERIMENTS : Materials - Preparation of rape oil-based fatliquors - Characterizations
- RESULTS AND DISCUSSION : Relationships among the respiration BOD5/COD value, COD, TOC removal ratios and biodegradation - The influence of modification methods on the active groups of fatliquors - The biodegradabilities of rape oil-based fatliquors |
| En ligne : |
https://drive.google.com/file/d/1UwLRlV8KkI3BFtX3dtr05_wUW1XUULxk/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21997 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CV, N° 4 (04/2010) . - p. 121-128
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