Titre : |
Removal of sulphide in tannery effluent by wet oxidation |
Type de document : |
texte imprimé |
Auteurs : |
G. Sekaran, Auteur ; K. Chitra, Auteur ; M. Mariappan, Auteur |
Année de publication : |
1995 |
Article en page(s) : |
p. 123-126 |
Note générale : |
Bibliogr. |
Langues : |
Anglais (eng) |
Index. décimale : |
675.2 Préparation du cuir naturel. Tannage |
Résumé : |
Sulphide in limeyard waste-water is generally estimated to be present at levels of the order of 2,000-3,000 mg/l. Oxidation by air in the presence of manganese sulphate as catalyst is a possible removal technique but there is a likelihood of increasing the level of Total Dissolved Solids (tDS) in the effluent. Rice bran based granular activated carbon may be used as a catalyst to oxidise sulphide (up to 90 %) by air, irrespective of the initial concentration of sulphide The efficiency of removal of sulphide increases to 99 % when an activated carbon packed counter current reactor is used. During the oxidation of sulphide in limeyard waste-water, 92 % of the total oxygen demand and 90 % of the dissolved protein were removed. |
En ligne : |
https://drive.google.com/file/d/1artq-YnQK_0lli1cQ_lcwiBN4spt00ZX/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8217 |
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 79, N° 4 (07-08/1995) . - p. 123-126