Sorption Studies of Bromate Removal from Water by Nano-Al 2O 3

Amit Bhatnagar; Mika Sillanpää

doi:10.1080/01496395.2011.606866

Sorption Studies of Bromate Removal from Water by Nano-Al ₂O ₃

Amit Bhatnagar, Mika Sillanpää

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

The feasibility of nano-Al ₂O ₃ for bromate removal from aqueous solution was assessed in the present study. Batch sorption experiments were performed to examine the influence of various experimental parameters such as contact time, initial bromate concentration, temperature, and pH on the sorption of bromate on nano-Al ₂O ₃. Kinetic data revealed that the uptake rate of bromate was rapid in the beginning and 50% adsorption was completed within 10 min and equilibrium was achieved within 120 min. Pseudo-second-order kinetic model was fitted well with the kinetics of the sorption process. The sorption potential of nano-Al ₂O ₃ for bromate removal was ~6.0 mg g ^-1. The adsorption was found to be an endothermic process and data conform to the Langmuir model. Supplemental materials are available for this article. Go to the publisher's online edition of Separation Science and Technology to view the free supplemental file.

Original language	English
Pages (from-to)	89-95
Number of pages	7
Journal	Separation Science and Technology
Volume	47
Issue number	1
DOIs	https://doi.org/10.1080/01496395.2011.606866
Publication status	Published - Jan 2012
Externally published	Yes

Keywords

bromate sorption
isotherms
kinetics
nano-adsorbent
thermodynamic studies

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Process Chemistry and Technology
Filtration and Separation

Access to Document

10.1080/01496395.2011.606866

Cite this

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