| Adsorption and catalytic oxidation of phenol in a new ozone reactor. | |
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MedLine Citation:
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PMID: 14509395 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Phenolic wastewater treatment in a new ozone reactor was investigated. The reactor was designed in such a fashion that gas induction was created in the reactor headspace by the high-speed action of an impeller turbine inside a draft tube to maximize the ozone utilization. Another important feature of the present reactor design was incorporation of granular activated carbon bed in a circular compartment between the reactor wall and the shaft tube. The fixed granular activated carbon bed was observed to significantly enhance the phenol decomposition and the chemical oxygen demand removal when compared to gas-induced ozonation alone, providing evidence of the synergistic effects of adsorption, catalytic reaction and ozonation. In addition to the enhanced phenol decomposition and chemical oxygen demand, ozonation was found to provide in-situ regeneration of granular activated carbon which was considered crucial in the present reaction system. Kinetic investigations were also made using a proposed complex kinetic model in an attempt to elucidate the possible decomposition reaction mechanisms of the present gas-induced ozonation system. |
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Authors:
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S H Lin; C H Wang |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Environmental technology Volume: 24 ISSN: 0959-3330 ISO Abbreviation: Environ Technol Publication Date: 2003 Aug |
Date Detail:
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Created Date: 2003-09-25 Completed Date: 2004-01-06 Revised Date: 2007-03-21 |
Medline Journal Info:
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Nlm Unique ID: 9884939 Medline TA: Environ Technol Country: England |
Other Details:
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Languages: eng Pagination: 1031-9 Citation Subset: IM |
Affiliation:
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Department of Chemical Engineering, Yuan Ze University, Chungli 320, Taiwan, ROC. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adsorption Carbon / chemistry Catalysis Disinfectants / chemistry* Facility Design and Construction Kinetics Models, Theoretical* Oxidants, Photochemical / chemistry* Ozone / chemistry* Phenol / chemistry* Waste Disposal, Fluid / methods Water Purification / methods* |
| Chemical | |
Reg. No./Substance:
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0/Disinfectants; 0/Oxidants, Photochemical; 10028-15-6/Ozone; 108-95-2/Phenol; 7440-44-0/Carbon |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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