| Titre : |
An ash stabilization process for the recovery and reuse of chromium from chrome-laden tannery waste and a treatment process for pollution control of tannery waste water |
| Type de document : |
texte imprimé |
| Auteurs : |
James E. Cartier, Auteur |
| Année de publication : |
1980 |
| Article en page(s) : |
p. 322-330 |
| Langues : |
Américain (ame) |
| Index. décimale : |
675.2 Préparation du cuir naturel. Tannage |
| Résumé : |
The leather tanning and finishing industry has been classified by Federal and State regulatory agencies as a generator of potentially hazardous waste. An engineering recommendation was made that the chrome-laden solids resulting from tannery operations could be properly managed by incinerating these wastes to an ash containing soluble chrome. A process was needed for extracting the chrome in the ash and recycling it to the tanning process. This paper presents a chromium recovery and reuse process that stabilizes the ash resulting from a thermal treatment system by removing all the soluble chrome, as well as a tannery waste water treatment process that provides for very efficient primary treatment. This recovery process recycles all the chromium in liquid and solid tannery waste and therefore provides for a "zero" chrome discharge to the environment. |
| En ligne : |
https://drive.google.com/file/d/1aftFkZG8-Vw0akCsO9izLq6nh6g7cDS2/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=17772 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. LXXV (Année 1980) . - p. 322-330
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