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- Title
Enhanced Removal of Bordeaux B and Red G Dyes Used in Alpaca Wool Dying from Water Using Iron-Modified Activated Carbon.
- Authors
Colina Andrade, Gilberto J.; Vilca Quilla, Jessica M.; Terán Hilares, Ruly; Tejada Meza, Kevin; Mogrovejo Valdivia, Alejandra C.; Aguilar-Pineda, Jorge A.; Cárdenas García, Jaime D.; Pacheco Tanaka, David A.
- Abstract
The aim of this research was to explore the removal of Red G and Bordeaux B dyes from water using a packed bed column with conventional carbon (C-conv) and iron-modified activated carbon (C - F e C l 3 ). The bands increased in C - F e C l 3 , corresponding to groups already existing in C-conv, such as C = C and C-C, and the appearance of new groups, such as C-O, C-Cl, Fe-Cl and Fe-O. The total ash content (CT) was CT = (10.53 ± 0.12 and 8.98 ± 0.21)% for C-conv and C - F e C l 3 , respectively. A molecular structure in the shape of a cross was noticed in Bordeaux B, which was less complex and smaller than the one in Red G. For fixed-bed columns, the carbon fraction was (0.43 and 0.85) mm. The pH of the adsorbents was 8.55 for C-conv and 4.14 for C - F e C l 3 . Breakthrough curves were obtained and the Thomas model (TM) and Yoon–Nelson model (YNM) were applied. The sorption capacity of Bordeaux B on C-conv and C - F e C l 3 was q T H : (237.88 and 216.21) mg/g, respectively, but the one of Red G was q T H : (338.46 and 329.42) mg/g. The dye removal (RT) was over 55%.
- Subjects
BORDEAUX (Aquitaine, France); ACTIVATED carbon; WATER use; ALPACA; MOLECULAR shapes; MOLECULAR structure
- Publication
Water (20734441), 2022, Vol 14, Issue 15, p2321
- ISSN
2073-4441
- Publication type
Article
- DOI
10.3390/w14152321