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[article]
Titre : |
Removal of aromatic organic acids from aqueous solution by using chrome leather waste as an adsorbent |
Type de document : |
texte imprimé |
Auteurs : |
Zhang Mina, Auteur ; Xuepin Liao, Auteur ; Jiang Sujie, Auteur ; Bi Shi, Auteur |
Année de publication : |
2008 |
Article en page(s) : |
p. 62 - 67 |
Note générale : |
Bibliogr. |
Langues : |
Américain (ame) |
Résumé : |
Chrome leather shavings were used to prepare adsorbent for removal of aromatic organic acids from aqueous solution. Benzoic acid, o-, m-, and p-phthalic acids, salicylic acid and p-hydroxyl benzoic acid, which are common pollutants in waste water, were used as adsorbates in this study to investigate the sorption behavior of the adsorbent made from chrome leather waste. It was found that the sorption capacity of aromatic organic acids on the adsorbent depends largely on the molecular structures of these compounds. The sorption capacity of o-phthalic acid on the adsorbent was as high as 2.8mmol/g in experimental conditions, and that of salicylic acid was around 0.41mmol/g. However, no significant sorption was observed in the case of benzoic acid. Sorption isotherms of aromatic organic acids are typically non-linear ones, and can be well fitted by adsorption-partition model. The contributions of adsorption and partition to total sorption of these compounds on the adsorbent were quantitatively described. It was found that, for o-phthalic acid, the function of partition is predominant, and for p-phthalic acid, adsorption plays a key role. As for m-phthalic acid and salicylic acid, the contributions of adsorption and partition to total sorption depend on the concentration of adsorbate. Those results demonstrate that this adsorbent can be applied to remove aromatic organic acids from wastewaters in a wide range of concentration. |
En ligne : |
https://drive.google.com/file/d/1SXS3bEjUrqft0dbxvs1wIkUuJtUFZlMV/view?usp=drive [...] |
Format de la ressource électronique : |
Pdf |
Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=2573 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CIII, N° 3 (02/2008) . - p. 62 - 67
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