Alternative to chrome tannage - The current situation / J. Kochta in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 74 (Année 1990)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 74 (Année 1990) . - p. 195-198 Titre : Alternative to chrome tannage - The current situation Type de document : texte imprimé Auteurs : J. Kochta, Auteur ; H. Slaats, Auteur ; H. Träubel, Auteur ; B. Wehling, Auteur Année de publication : 1990 Article en page(s) : p. 195-198 Note générale : Bibliogr. Langues : Anglais (eng) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : As a result of more stringent regulations on effluents and waste disposal throughout the world, in the past 10 years the search for alternatives to chrome tannage has been stepped up. This paper discusses the current state of work on complete or partial substitution of chrome tanning materials by vegetable tanning materials, alternative mineral salts, and reactive organic compounds. Since the possibilities of substituting chrome tanning materials are clearly limited, the state-of-the-art of technology designed to restrict chrome emissions when using modern chrome tanning processes is also described. En ligne : https://drive.google.com/file/d/10NQ1be_uAHi5e8XxviMqS4BYsAa0F9jW/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8796 [article]

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Effect of modern tanning methods on tannery emissions / B. Wehling in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. LXXXII (Année 1987)  

[article]  inJOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXXII (Année 1987) . - p. 125-134 Titre : Effect of modern tanning methods on tannery emissions Type de document : texte imprimé Auteurs : B. Wehling, Auteur ; W. Luck, Auteur ; H. Rosentreter, Auteur Année de publication : 1987 Article en page(s) : p. 125-134 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 675.2 Préparation du cuir naturel. Tannage Résumé : For producers of wet blues and tanners processing wet blues, the qualify of the resulting leather receives first consideration. Nevertheless,today they have also to think of quantity and kind of chrome containing residual floats and other wastes when laying down a technology. The trend to produce wet blues in specialized plants and to carry out all subsequent operations elsewhere, forces people to reconsider the practical aspects of conventional working methods. Type ans process details of the chrome tannage practised by the wet blue producer greatly influences the amount of unused chrome tanning materials left in the residual floats and is illustrated by means of matched sides trials. The effects if various tanning methods on the chrome emission of a tannery using wet blues as "raw material" are analyzed. Results of retanning trials are reported. It can be shown that highly exhausting chrome tanning processes offer advantages concerning chrome containing residual floats not only for the wet blue tanner but also for tanneries using wet blues to manufacture finished leather. En ligne : https://drive.google.com/file/d/1feCLJFDNno7CYWRLFW331wxK2BIIlfFk/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8990 [article]

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