Cited by 193Arsenic contamination and mitigationAdsorption and biosorption for pollutant removalEnvironmental remediation with nanomaterials

Arsenic Removal Using Iron Oxide Loaded Alginate Beads

Zouboulis, Anastasios I., Katsoyiannis, Ioannis A.·2002·Industrial & Engineering Chemistry Research

Abstract

The application of biopolymers (alginate), as sorbent supports, for the removal of arsenic from contaminated water has been investigated in the present study. Calcium alginate beads were placed in a column to form a fixed bed and treated (doped/coated) with hydrous ferric oxides. Three different types of modified alginate beads were examined for the removal of arsenic; the most efficient type was found to be doped with alginate and subsequently coated with iron oxides, whereas the other two types were calcium alginate beads doped or coated with iron oxides. The total amount of iron loaded on this material was found to be 3.9 mg of Fe/g of wet alginate bead. Approximately 230 bed volumes of a 50 μg/L As(V) solution were treated before the breakthrough point was reached, whereas the removal of As(III) was not as efficient, reaching the breakthrough point after the treatment of only 45 bed volumes. The results were modeled using the bed depth service time and empty bed residence time models.

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Crossref · 10.1021/ie0203835

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Authors
Zouboulis, A. I., & Katsoyiannis, I. A.
Affiliations
Aristotle University of Thessaloniki (GR)
Venue
Industrial & Engineering Chemistry Research
Published
2002-10-29
Volume
41
Issue
24
Pages
6149-6155
ISSN
  • 0888-5885 (ISSN-L)
  • 1520-5045
OpenAlex
W2018731408
Cited by
193
References
29
Citations by year
2025: 2 · 2024: 4 · 2023: 9 · 2022: 11 · 2021: 11 · 2020: 5 · 2019: 11 · 2018: 6 · 2017: 11 · 2016: 5 · 2015: 11 · 2014: 14 · 2013: 3 · 2012: 16
FWCI
1.66
Type
journal article
Language
en
Open access
closed
Locations
Industrial & Engineering Chemistry Research (publishedVersion)
Topics
  • Physical Sciences › Environmental Science › Environmental Chemistry › Arsenic contamination and mitigation
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
arsenic removal, calcium alginate beads, iron oxide, fixed-bed adsorption, As(V) adsorption, As(III) adsorption, breakthrough point, bed depth service time, water treatment

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