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Chrome adsorption characteristics of Yue village soil fertilized with tannery sludge / Ding Shaolan in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 98, N° 4 (07-08/2014)

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inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 98, N° 4 (07-08/2014) . - p. 163-166

Titre :	Chrome adsorption characteristics of Yue village soil fertilized with tannery sludge
Type de document :	texte imprimé
Auteurs :	Ding Shaolan, Auteur ; Dong Lingxiao, Auteur ; Pan Dong, Auteur
Année de publication :	2014
Article en page(s) :	p. 163-166
Note générale :	Bibliogr.
Langues :	Anglais (eng)
Catégories :	Adsorption Boues résiduaires Chrome hexavalent Chrome trivalent Déchets industriels -- Recyclage Déchets organiques -- Recyclage Tannage -- Déchets
Index. décimale :	675.2 Préparation du cuir naturel. Tannage
Résumé :	Tannery sludge used in agriculture contains much organic matter like a high-quality organic fertilizer. However, the excess chrome in tannery sludge limits its expanding use in agriculture. The absorption of chrome in different forms was studied in soil at different chrome concentrations and pHs. The research indicated that both Cr(III) and Cr(VI) were easily fixed by adsorption when they entered the soil. Adsorption of Cr(III) corresponded to Freundlich adsorption isothermal pattern, while that of Cr(VI) accorded with a Langmuir adsorption isothermal pattern. pH was the vital factor which effected the adsorption of Cr(III) and Cr(VI). Most of the chrome in tannery sludge would settle in the soil when it was used as a fertilizer in agriculture, because the chrome is mainly Cr(III).
Note de contenu :	- EXPERIMENTAL PROCEDURES : Materials and apparatus - Experiment - RESULTS AND DISCUSSION : Soil adsorption capacities of different chrome concentrations - Cr(III) and Cr(VI) adsorption isotherm in soil
En ligne :	https://drive.google.com/file/d/1Zysfx20C_LDXEkHxkVBEWlgYfjuNN4OR/view?usp=drive [...]
Format de la ressource électronique :	Pdf
Permalink :	https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=21816

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