Dye removal efficiency of fresh and dry alginate beads incorporating zinc oxide

Joint Authors

Sirisathitkul, Chitnarong
Pholnak, Pachara
Sittiyothee, Sakuna
Sirisathitkul, Yaowarat

Source

Arab Journal of Basic and Applied Sciences

Issue

Vol. 29, Issue 1 (31 Jan. 2022), pp.53-64, 12 p.

Publisher

University of Bahrain College of Science

Publication Date

2022-01-31

Country of Publication

Bahrain

No. of Pages

12

Main Subjects

Natural & Life Sciences (Multidisciplinary)

Abstract EN

Alginate beads incorporating zinc oxide (ZnO) nanoparticles were shown as an alternative to treat water contaminated with sedge dye by combining photocatalytic activity with adsorption.

Dry and fresh alginate beads were prepared by changing ZnO contents in the range of 0.5, 1, and 2% (w/w) and then characterized for their morphology as well as dye removal.

The dye removal efficiency was increased by increasing the active surface area of the alginate beads and ZnO photocatalytic activity.

Under ultraviolet irradiation for 24 h, the dye removal efficiency reached 64% in the case of 2% ZnO loading.

The use of alginate beads dried at 80 C before ZnO loading increased the maximum value to 78%.

With more than 20% removal during the first 2 h through the adsorption and diffusion, the dye removal of alginate beads incorporating 1 and 2% ZnO was modeled as a function of time according to the Weber-Morris intra-particle diffusion equation.

The dye adsorption per mass of the adsorbent having 0 and 0.5% ZnO loading fitted the Elovich equation better.

American Psychological Association (APA)

Pholnak, Pachara& Sittiyothee, Sakuna& Sirisathitkul, Chitnarong& Sirisathitkul, Yaowarat. 2022. Dye removal efficiency of fresh and dry alginate beads incorporating zinc oxide. Arab Journal of Basic and Applied Sciences،Vol. 29, no. 1, pp.53-64.
https://search.emarefa.net/detail/BIM-1340814

Modern Language Association (MLA)

Sirisathitkul, Chitnarong…[et al.]. Dye removal efficiency of fresh and dry alginate beads incorporating zinc oxide. Arab Journal of Basic and Applied Sciences Vol. 29, no. 1 (2022), pp.53-64.
https://search.emarefa.net/detail/BIM-1340814

American Medical Association (AMA)

Pholnak, Pachara& Sittiyothee, Sakuna& Sirisathitkul, Chitnarong& Sirisathitkul, Yaowarat. Dye removal efficiency of fresh and dry alginate beads incorporating zinc oxide. Arab Journal of Basic and Applied Sciences. 2022. Vol. 29, no. 1, pp.53-64.
https://search.emarefa.net/detail/BIM-1340814

Data Type

Journal Articles

Language

English

Notes

Includes bibliographical references : p. 61-64

Record ID

BIM-1340814