Cr(III) uptake by marine algal biomass: Equilibrium and kinetics

• Type: Article in International Scientific Journal
• Date: 2011

Authors

Vitor Vilar (Author) FEUP; Olga Freitas (Author) Other; Pedro Costa (Author) Other; Cidália Botelho (Author) FEUP; Rui Boaventura (Author) FEUP

Journal

Title: International Journal of Environment and Waste Management

Vol. 8 No. 3-4

Pages: 325-340

ISSN: 1478-9876

Publisher: Inderscience Publishers

Indexing

ISI Web of Science

Scopus - 5 Citations

COMPENDEX

INSPEC

Scientific classification

FOS: Engineering and technology > Environmental engineering

Other information

Authenticus ID: P-008-0G4

DOI: 10.1504/ijewm.2011.042639

Abstract (EN): In this work, biosorption of Cr(III) by the marine brown algaeSargassum muticum was studied in a batch system. Kinetics and equilibrium experiments were conducted at different pH. Equilibrium data are well described by the Langmuir and Langmuir-Freundlich isotherms. The two mass transfer models give comparable results, but they did not provide a perfect representation of the sorption data. Sargassum muticum was compared with the brown algae Laminaria hyperborean and the red algae Gelidium sesquipedale,showing maximum uptake capacities of, 56 ± 3, 70 ± 4 and 18 ± 1 mg Cr(III) g-1, at pH = 5, respectively. Copyright © 2011 Inderscience Enterprises Ltd.

Language: English

Type (Professor's evaluation): Scientific