Oxidation of p-Cresol by ozonation

Oxidation of p-Cresol was investigated by using ozonation process. The aim of this research is to assess the effectiveness of ozonation on oxidation of micropollutant such as p-Cresol. Ozonation performance was evaluated based on p-Cresol concentration reduction and chemical oxidation demand (COD) r...

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Main Authors:	Kow, Su-Huan, Muhammad Ridwan Fahmi, Che Zulzikrami Azner Abidin, Ong, Soon-An, Abdul Haqi Ibrahim, Siti Nasuha Sabri, Nur Aqilah Razali
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2018
Online Access:	http://journalarticle.ukm.my/12109/ http://journalarticle.ukm.my/12109/ http://journalarticle.ukm.my/12109/1/02%20Su-Huan%20Kow.pdf

id	ukm-12109
recordtype	eprints
spelling	ukm-121092018-09-28T21:52:12Z http://journalarticle.ukm.my/12109/ Oxidation of p-Cresol by ozonation Kow, Su-Huan Muhammad Ridwan Fahmi, Che Zulzikrami Azner Abidin, Ong, Soon-An Abdul Haqi Ibrahim, Siti Nasuha Sabri, Nur Aqilah Razali, Oxidation of p-Cresol was investigated by using ozonation process. The aim of this research is to assess the effectiveness of ozonation on oxidation of micropollutant such as p-Cresol. Ozonation performance was evaluated based on p-Cresol concentration reduction and chemical oxidation demand (COD) reduction. It was found ozonation at pH11 achieved the highest p-Cresol degradation, with 95.8% of p-Cresol reduced and 96.0% of COD reduced, for an initial 50 mgL-1 of p-Cresol. The degradation of p-Cresol could be expressed by second-order of kinetic model. The second-order rate constant k increases as the initial pH increased, but decreases with the increasing of initial p-Cresol concentrations. Besides, the absorption spectra of p-Cresol over ozonation time were analyzed by spectrophotometry. The evolution of absorption spectra of p-Cresol degradation suggests that the oxidation of p-Cresol follows three stages mechanisms with cycloaddition as the first step to produce aromatic intermediates followed by ring-opening reactions, degradation of the intermediates, and subsequently achieved mineralization. Penerbit Universiti Kebangsaan Malaysia 2018-06 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/12109/1/02%20Su-Huan%20Kow.pdf Kow, Su-Huan and Muhammad Ridwan Fahmi, and Che Zulzikrami Azner Abidin, and Ong, Soon-An and Abdul Haqi Ibrahim, and Siti Nasuha Sabri, and Nur Aqilah Razali, (2018) Oxidation of p-Cresol by ozonation. Sains Malaysiana, 47 (6). pp. 1085-1091. ISSN 0126-6039 http://www.ukm.my/jsm/malay_journals/jilid47bil6_2018/KandunganJilid47Bil6_2018.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	Oxidation of p-Cresol was investigated by using ozonation process. The aim of this research is to assess the effectiveness of ozonation on oxidation of micropollutant such as p-Cresol. Ozonation performance was evaluated based on p-Cresol concentration reduction and chemical oxidation demand (COD) reduction. It was found ozonation at pH11 achieved the highest p-Cresol degradation, with 95.8% of p-Cresol reduced and 96.0% of COD reduced, for an initial 50 mgL-1 of p-Cresol. The degradation of p-Cresol could be expressed by second-order of kinetic model. The second-order rate constant k increases as the initial pH increased, but decreases with the increasing of initial p-Cresol concentrations. Besides, the absorption spectra of p-Cresol over ozonation time were analyzed by spectrophotometry. The evolution of absorption spectra of p-Cresol degradation suggests that the oxidation of p-Cresol follows three stages mechanisms with cycloaddition as the first step to produce aromatic intermediates followed by ring-opening reactions, degradation of the intermediates, and subsequently achieved mineralization.
format	Article
author	Kow, Su-Huan Muhammad Ridwan Fahmi, Che Zulzikrami Azner Abidin, Ong, Soon-An Abdul Haqi Ibrahim, Siti Nasuha Sabri, Nur Aqilah Razali,
spellingShingle	Kow, Su-Huan Muhammad Ridwan Fahmi, Che Zulzikrami Azner Abidin, Ong, Soon-An Abdul Haqi Ibrahim, Siti Nasuha Sabri, Nur Aqilah Razali, Oxidation of p-Cresol by ozonation
author_facet	Kow, Su-Huan Muhammad Ridwan Fahmi, Che Zulzikrami Azner Abidin, Ong, Soon-An Abdul Haqi Ibrahim, Siti Nasuha Sabri, Nur Aqilah Razali,
author_sort	Kow, Su-Huan
title	Oxidation of p-Cresol by ozonation
title_short	Oxidation of p-Cresol by ozonation
title_full	Oxidation of p-Cresol by ozonation
title_fullStr	Oxidation of p-Cresol by ozonation
title_full_unstemmed	Oxidation of p-Cresol by ozonation
title_sort	oxidation of p-cresol by ozonation
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2018
url	http://journalarticle.ukm.my/12109/ http://journalarticle.ukm.my/12109/ http://journalarticle.ukm.my/12109/1/02%20Su-Huan%20Kow.pdf
first_indexed	2023-09-18T20:01:53Z
last_indexed	2023-09-18T20:01:53Z
_version_	1777406902976643072

Oxidation of p-Cresol by ozonation

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