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Verfasst von:Sampaio, Caroline de Goes [VerfasserIn]   i
 Owen, Robert [VerfasserIn]   i
Titel:Chromium (VI) remediation in aqueous solution by waste products (peel and seed) of mango (Mangifera indica L.) cultivars
Verf.angabe:Caroline De Goes Sampaio, Juliana Gaspar Alan E. Silva, Edy Sousa De Brito, Helena Becker, Maria Teresa Salles Trevisan, Robert W. Owen
E-Jahr:2019
Jahr:5 January 2019
Umfang:13 S.
Fussnoten:Gesehen am 16.05.2019
Titel Quelle:Enthalten in: Environmental science and pollution research
Ort Quelle:Berlin : Springer, 1994
Jahr Quelle:2019
Band/Heft Quelle:26(2019), 6, Seite 5588-5600
ISSN Quelle:1614-7499
Abstract:The surface group characteristics of mango cultivar peels and seeds were evaluated by infrared spectra, PZC, and functional group composition. The adsorption/reduction of chromium (VI) in aqueous solutions was investigated by varying pH, contact time, initial Cr(VI) concentration, and adsorbent amount. The results show that both peel and seed powders of the mango cultivars showed significant adsorption/reduction capacity for Cr(VI) and that the desorption process obeys pseudo-second-order kinetics. Optimal adsorption occurred at pH 1.0, using a Cr(VI) concentration of 100 mg/L. On average, at pH 1.0, and a concentration of 3 g/L, the maximum adsorption/reduction capacity of Cr(VI) was 83% (peels 76%, seeds 90%). Of the mango powders tested, the most efficient were Tommy seed (100%) and Coite peel (98%) followed by Coite seed (96%) and Tommy peel powders (95%). The adsorption/reduction of Cr(VI) was complete (100%) by the mango seed, in comparison to the peel powders (97%) after 180 min. The data indicates that mango waste products, such as seed and peel powders, are both excellent candidates for the remediation of Cr(VI) from aqueous systems and due to the higher concentration of gallates and galloyl glucosides, the mango seed powders should be the powders of choice for future remediation projects.
DOI:doi:10.1007/s11356-018-3851-8
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: https://doi.org/10.1007/s11356-018-3851-8
 DOI: https://doi.org/10.1007/s11356-018-3851-8
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:Adsorbent
 Gallate glucosides
 Mango powders
 Peels
 pH
 Seeds
K10plus-PPN:1665805862
Verknüpfungen:→ Zeitschrift

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