Titre : |
Sodium chloride substitute for lower salt goat skin preservation : a novel approach |
Type de document : |
texte imprimé |
Auteurs : |
Abul Hashem, Auteur ; Navid Arman, Auteur ; Hasibur Rahman Sheikh, Auteur ; Mazharul Islam, Auteur |
Année de publication : |
2017 |
Article en page(s) : |
p. 270-276 |
Note générale : |
Bibliogr. |
Langues : |
Américain (ame) |
Catégories : |
Chlorure de sodium -- Suppression ou remplacement Cuirs et peaux -- Conservation Cuirs et peaux de chèvres Industrie -- Pollution -- Lutte contre
|
Index. décimale : |
675 Technologie du cuir et de la fourrure |
Résumé : |
Animal skin is the basic raw materials for the tanning industry, which is the by-product of meat industry. The degradation of skin starts within several hours after the death of animal if it is left untreated. Application of common salt (sodium chloride, NaCl) is the most popular preservation method of skin; it preserves the skin by its dehydrating ability and bacteriostatic effect. The negative effect of sodium chloride is that it generates a huge amount of pollution in the form of total dissolved solids (TDS) during leather processing. In this present study, an investigation was made to preserve goat skin using plant leaf paste. The preservation process was evaluated by monitoring different parameters e.g., shrinkage temperature, hair slip, putrefaction, odor, moisture content, extractable nitrogen, and bacterial count in comparison to the conventional wet salting method. Results indicate that the leaf paste could be used as curing agents to preserve goat skin. Combination of 10% leaf paste + 10% NaCl could preserve the goat skin for a period of 30 days. In this less-salt preservation method, pollution load was reduced e.g., chlorides and TDS in soaking operation by 45.2% and 49.8%, respectively. |
Note de contenu : |
- EXPERIMENTAL : Materials - Chemicals - Experimental systems for preservation
- MONITORING THE PRESERVATION METHOD : Determination of moisture content - Determination of extractable nitrogen - Determination of bacterial count - Hydrothermal stability determination - Leather processing - Pollution load generated during leather making - Physical strength of leather - Scanning electron microscope (SEM)
- RESULTS AND DISCUSSION : Optimization of leaf paste
- EFFECTIVENESS OF THE PRESERVATION METHOD : Total extractable nitrogen - Bacterial count - Moisture content - Hydrothermal stability - Pollution load in soaking operation - Physical properties of leather - SEM analysis |
En ligne : |
https://drive.google.com/file/d/1FbbCw1sxUhsB3nTifRH_udat-hBr-RCU/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28826 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CXII, N° 8 (08/2017) . - p. 270-276