Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process
In this study, degradation of p-chlorophenol (p-CP) was evaluated using persulfate (PS) activated zerovalent iron (ZVI) based ultraviolet (UV) in a bench scale photoreactor. The effect of operational parameters such as solution pH (3, 7, and 11), reaction time (0-60 minutes), ZVI dosage (0.15, 1.25,...
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Kurdistan University of Medical Sciences
2016-01-01
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doaj-89b9737f7024451dbdcc6cfc8fba2eba2021-07-14T05:59:08ZengKurdistan University of Medical SciencesJournal of Advances in Environmental Health Research2345-39902345-39902016-01-0141424810.22102/jaehr.2016.4021840218Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate processZahra Sharifi0Mohammad Taghi Samadi1Abdolmotaleb Seid-Mohammadi2Ghorban Asgari3Department of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences, Hamadan, IranDepartment of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences, Hamadan, IranSocial Determinants of Health Research Center (SDHRC) AND Department of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences, Hamadan, IranSocial Determinants of Health Research Center (SDHRC) AND Department of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences, Hamadan, IranIn this study, degradation of p-chlorophenol (p-CP) was evaluated using persulfate (PS) activated zerovalent iron (ZVI) based ultraviolet (UV) in a bench scale photoreactor. The effect of operational parameters such as solution pH (3, 7, and 11), reaction time (0-60 minutes), ZVI dosage (0.15, 1.25, 0.5, 1, and 1.5 mM), PS concentration (0.5, 1.5, 2, 2.5, 3, and 4 mM), and initial p-CP concentration (0.22, 0.44, 0.88, 1.32, and 1.76 mM) were examined on the degradation of p-CP in batch experiments. The experimental results indicated that the p-CP removal rate significantly depends on operational parameters. The highest p-CP removal rate was achieved after 45 minutes (> 0.99%) in pH = 3, ZVI = 1 mM, and PS = 3 mM, and with initial p-CP concentration = 0.44 mM. The results revealed that excess amount of PS and ZVI could reversely affect p-CP removal efficiency. In addition, an increase in p-CP initial concentration from 0.22 to 1.76 mM significantly decreased its removal rate. This study indicated that PS activated ZVI based UV process is practically feasible for the effective degradation of p-CP in aqueous solution.http://jaehr.muk.ac.ir/article_40218_3aceaf64a368b804149e365c514fa05d.pdfzerovalent ironsulfate radicalpersulfate activationp-chlorophenol |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zahra Sharifi Mohammad Taghi Samadi Abdolmotaleb Seid-Mohammadi Ghorban Asgari |
spellingShingle |
Zahra Sharifi Mohammad Taghi Samadi Abdolmotaleb Seid-Mohammadi Ghorban Asgari Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process Journal of Advances in Environmental Health Research zerovalent iron sulfate radical persulfate activation p-chlorophenol |
author_facet |
Zahra Sharifi Mohammad Taghi Samadi Abdolmotaleb Seid-Mohammadi Ghorban Asgari |
author_sort |
Zahra Sharifi |
title |
Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process |
title_short |
Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process |
title_full |
Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process |
title_fullStr |
Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process |
title_full_unstemmed |
Removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (UV/ZVI)/persulfate process |
title_sort |
removal of p-chlorophenol from aqueous solution using ultraviolet/zerovalent-iron (uv/zvi)/persulfate process |
publisher |
Kurdistan University of Medical Sciences |
series |
Journal of Advances in Environmental Health Research |
issn |
2345-3990 2345-3990 |
publishDate |
2016-01-01 |
description |
In this study, degradation of p-chlorophenol (p-CP) was evaluated using persulfate (PS) activated zerovalent iron (ZVI) based ultraviolet (UV) in a bench scale photoreactor. The effect of operational parameters such as solution pH (3, 7, and 11), reaction time (0-60 minutes), ZVI dosage (0.15, 1.25, 0.5, 1, and 1.5 mM), PS concentration (0.5, 1.5, 2, 2.5, 3, and 4 mM), and initial p-CP concentration (0.22, 0.44, 0.88, 1.32, and 1.76 mM) were examined on the degradation of p-CP in batch experiments. The experimental results indicated that the p-CP removal rate significantly depends on operational parameters. The highest p-CP removal rate was achieved after 45 minutes (> 0.99%) in pH = 3, ZVI = 1 mM, and PS = 3 mM, and with initial p-CP concentration = 0.44 mM. The results revealed that excess amount of PS and ZVI could reversely affect p-CP removal efficiency. In addition, an increase in p-CP initial concentration from 0.22 to 1.76 mM significantly decreased its removal rate. This study indicated that PS activated ZVI based UV process is practically feasible for the effective degradation of p-CP in aqueous solution. |
topic |
zerovalent iron sulfate radical persulfate activation p-chlorophenol |
url |
http://jaehr.muk.ac.ir/article_40218_3aceaf64a368b804149e365c514fa05d.pdf |
work_keys_str_mv |
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