The liritan minimum effluent vegetable tanning system / Stanley G. Shuttleworth in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXI (Année 1976)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXI (Année 1976) . - p. 336-343 Titre : The liritan minimum effluent vegetable tanning system Type de document : texte imprimé Auteurs : Stanley G. Shuttleworth, Auteur ; Geoffrey J. Ward, Auteur Année de publication : 1976 Article en page(s) : p. 336-343 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Déchets -- Réduction Liritan Tannage végétal Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Since the introduction of this system of tannage in South Africa in 1960, the method has been adopted hy most of the important vegetable leather tanners in the U.S.A. and Canada, and is also in use in Australia and Japan. A considerable amount of practical experience has been gained, and tanners have exercised their ovin initiative in adapting it to suit their plant and requirements. In recent years it has been modified to suit harness, saddlery, and helting leathers, as well as a combination of these products from the same liquors. The original description of this tannage as a "no-effluent" system implied the closed recirculation of the tan liquors. However the ever tightening standards faced hy tanners have made it desirable to ahsorh the subsequent wash and bleach liquors into the system, and this has become possible in view of the availability of spray-dried powdered extracts with reduced water content, and the elimination of the soda acid bleach of leather from the circulators, and by changing hlends to avoid large tan molecules accumulating in the grain of the leather. Note de contenu : - Fundamental principles involved - Recommended method for sole leather : The calgon pickle - The color vats - Use of powdered extracts - Strength of tan liquors - Practical tanning systems - Effect of calgon on cement-lined or concrete vats - Method of conducting trials - Pit/drumliritan minimum effluent system : Finishing of liritan leather - Analytical control - Phosphate analyses En ligne : https://drive.google.com/file/d/1YPuKEi6GFh1AoAM8FHCTZCmNZuSv7Q9J/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=41490 [article]

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