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Phosphorous adsorption on synthesized magnetite in wastewater

Title
Phosphorous adsorption on synthesized magnetite in wastewater
Author
김종오
Keywords
Adsorption; Desorption; Equilibrium isotherm; Magnetic iron oxide; Phosphorus recovery
Issue Date
2016-01
Publisher
ELSEVIER SCIENCE INC
Citation
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v. 34, Page. 198-203
Abstract
The phosphorous adsorption on a synthesized magnetic iron oxide (MIO) was conducted using a batch type experiment. A dry-form MIO was used in adsorption experiment to obtain useful information for practical application. The Elovich model reasonably simulated the two-step adsorption process in the kinetic experiments. Freundlich isotherm model was better than the Langmuir model for describing the phosphate isotherm on MIO. The maximum adsorption capacity of MIO was 15.2 mg P/g MIO which was achieved at the pH less than 5. The adsorbed phosphorous was effectively detached from MIO within 30 min using 20 wt% NaOH solution. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
URI
http://www.sciencedirect.com/science/article/pii/S1226086X15005171?via%3Dihubhttp://hdl.handle.net/20.500.11754/30427
ISSN
1226-086X; 1876-794X
DOI
10.1016/j.jiec.2015.11.008
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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