Leather powder as an agent for removing environmentally hazardous organic compounds / Anita Przepiórkowska in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 87, N° 6 (11-12/2003)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 87, N° 6 (11-12/2003) . - p. 223-226 Titre : Leather powder as an agent for removing environmentally hazardous organic compounds Type de document : texte imprimé Auteurs : Anita Przepiórkowska, Auteur ; G. Janowska, Auteur ; L. Slusarski, Auteur ; S. Wolniak, Auteur Année de publication : 2003 Article en page(s) : p. 223-226 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Absorption Analyse thermique Cuirs et peaux -- Déchets Déchets industriels -- Elimination Déchromage Poudre de cuir Substances dangereuses -- Elimination Tannage -- Déchets Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : In the processes of leather tanning, about 30-40% of the leather substance processed in manufacture is rejected, mainly as shavings, in the form of protein wastes containing 3-5% of chromium (III) compounds. Such wastes may be described as hazardous to the environment. They must not be disposed of in common landfills because of the possibility of chromium (III) leaching into the soil and subsurface water, the alternative specially protected landfills are very expensive. These wastes should also not be incinerated since such a process results in the formation of volatile carcinogenic chromyl compounds. Note de contenu : - METHOD FOR MAKING DECHROMED LEATHER POWDER : Analytical methods - THE CAPACITY OF HIDE POWDER TO ABSORB SUBSTANCES HAZARDOUS TO THE ENVIRONMENT : Selection of the agent composition for absorbing hazardous substances - THERMAL ANALYSIS - Table 1 : Leather powder composition before and after dechroming - Table 2 : The absorptivity of dechromed hide powder - Table 3 : The results of thermal analysis En ligne : https://drive.google.com/file/d/1iCSrOCI3QKd4q_4ch_XEFinGBhH8IldW/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39705 [article]

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