Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation

Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation

Widespread concerns continue to be raised about the impacts of exposure to chemical compounds with endocrine disrupting activities. To date, the percolation of endocrine disrupting chemical (EDC) effluent into the aquatic system remains an intricate challenge abroad the nations. Heterogeneous photoc...

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Main Author: Sin, Jin Chung
Format: Thesis
Language:English
Published: 2014
Subjects:
TP1-1185 Chemical technology
Online Access:http://eprints.usm.my/29116/1/Photocatalytic_degradation_of_phenol_and.pdf
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spelling my-usm-ep.291162019-04-12T05:26:08Z Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation 2014 Sin, Jin Chung TP1-1185 Chemical technology Widespread concerns continue to be raised about the impacts of exposure to chemical compounds with endocrine disrupting activities. To date, the percolation of endocrine disrupting chemical (EDC) effluent into the aquatic system remains an intricate challenge abroad the nations. Heterogeneous photocatalysis using ZnO hierarchical architectures has recently been emerged as an efficient and feasible technology for the purification of polluted water. In this study, ZnO hierarchical micro/nanospheres doped with rare earth ion (RE/ZnO, RE ion = Ce, Eu and Nd) were synthesized using a chemical precipitation method for the photocatalytic degradation of two EDCs, namely phenol and 2,4-dichlorophenol (2,4-DCP) under fluorescent light and sunlight irradiation. Kebimbangan berterusan ditambahkan terhadap kesan pendedahan kepada bahan kimia dengan aktiviti pengganggu endokrin. Setakat ini, pengasingan effluen bahan kimia pengganggu endokrin ke dalam sistem akuatik masih adalah satu cabaran yang rumit bagi banyak negara. Fotopemangkinan menggunakan hierarki ZnO baru-baru in ditampilkan sebagai teknologi yang cekap dan boleh dipraktikkan untuk rawatan air tercemar. Dalam kajian ini, hierarki ZnO berbentuk sfera mikro/nano terdop dengan ion nadir bumi (RE/ZnO, ion RE = Ce, Eu and Nd) telah disintesis dengan kaedah pemendakan kimia untuk fotodegradasi dua jenis bahan kimia pengganggu endokrin iaitu fenol dan 2,4-diklorofenol (2,4-DCP) di bawah penyinaran lampu pendarfluor dan cahaya matahari. 2014 Thesis http://eprints.usm.my/29116/ http://eprints.usm.my/29116/1/Photocatalytic_degradation_of_phenol_and.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Kimia
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic TP1-1185 Chemical technology
spellingShingle TP1-1185 Chemical technology
Sin, Jin Chung
Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation
description Widespread concerns continue to be raised about the impacts of exposure to chemical compounds with endocrine disrupting activities. To date, the percolation of endocrine disrupting chemical (EDC) effluent into the aquatic system remains an intricate challenge abroad the nations. Heterogeneous photocatalysis using ZnO hierarchical architectures has recently been emerged as an efficient and feasible technology for the purification of polluted water. In this study, ZnO hierarchical micro/nanospheres doped with rare earth ion (RE/ZnO, RE ion = Ce, Eu and Nd) were synthesized using a chemical precipitation method for the photocatalytic degradation of two EDCs, namely phenol and 2,4-dichlorophenol (2,4-DCP) under fluorescent light and sunlight irradiation. Kebimbangan berterusan ditambahkan terhadap kesan pendedahan kepada bahan kimia dengan aktiviti pengganggu endokrin. Setakat ini, pengasingan effluen bahan kimia pengganggu endokrin ke dalam sistem akuatik masih adalah satu cabaran yang rumit bagi banyak negara. Fotopemangkinan menggunakan hierarki ZnO baru-baru in ditampilkan sebagai teknologi yang cekap dan boleh dipraktikkan untuk rawatan air tercemar. Dalam kajian ini, hierarki ZnO berbentuk sfera mikro/nano terdop dengan ion nadir bumi (RE/ZnO, ion RE = Ce, Eu and Nd) telah disintesis dengan kaedah pemendakan kimia untuk fotodegradasi dua jenis bahan kimia pengganggu endokrin iaitu fenol dan 2,4-diklorofenol (2,4-DCP) di bawah penyinaran lampu pendarfluor dan cahaya matahari.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Sin, Jin Chung
author_facet Sin, Jin Chung
author_sort Sin, Jin Chung
title Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation
title_short Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation
title_full Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation
title_fullStr Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation
title_full_unstemmed Photocatalytic Degradation Of Phenol And 2,4-Dichlorophenol Using Rare Earth-Doped ZnO Hierarchical Micro/Nanospheres Under Fluorescent Light And Sunlight Irradiation
title_sort photocatalytic degradation of phenol and 2,4-dichlorophenol using rare earth-doped zno hierarchical micro/nanospheres under fluorescent light and sunlight irradiation
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Kejuruteraan Kimia
publishDate 2014
url http://eprints.usm.my/29116/1/Photocatalytic_degradation_of_phenol_and.pdf
_version_ 1747820085834153984

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