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Chromium sulphate recovery in a triple-effect evaporator / G. A. Gasmelseed in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 86, N° 1 (01-02/2002)

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[article]
inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 86, N° 1 (01-02/2002) . - p. 26-29

Titre :	Chromium sulphate recovery in a triple-effect evaporator
Type de document :	texte imprimé
Auteurs :	G. A. Gasmelseed, Auteur
Année de publication :	2002
Article en page(s) :	p. 26-29
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Catégories :	Coût-Efficacité Cuirs et peaux -- Analyse Evaporation Modèles mathématiques Récupération (Déchets, etc.) Sulfate de chrome Tannage -- Déchets
Index. décimale :	675.2 Préparation du cuir naturel. Tannage
Résumé :	Chromium sulphate is used extensively in Sudanese tanneries, however its exhaustion in processing is limited and a considerable quantity is passed as waste to the drain with consequent risk of pollution and environmental hazard. In this investigation spent chromium liquor was concentrated by evaporation in a triple-effect evaporator. The concentrated liquor was blended with fresh make-up chromium and re-used in tannage. The advantage of this process, in addition to its economical and environmental benefits is the continuous recovery with closed-loop recycling without loss of chromium to the drain. A complete control system is recommended.
Note de contenu :	- Method of operation - Mathematical model - Experimental work : Tannage 1-pickled pelts - Tannage 2-delimed pelts - Table 1 : Evaporator stage parameters - Table 2 : Properties of recycled chrome liquor before evaporation - Table 3 : Properties of recycled chrome liquor after evaporation (third stage) - Table 4 : Leather analysis, Recipe No. 1 - Table 5 : Leather analysis, Recipe No. 2 - Table 6 : Cost estimation per year
En ligne :	https://drive.google.com/file/d/1HJI6fDJYQEO-H5mpnngAVigGRrxR_L_9/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=40193

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