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Biological Oxygen Demand (BOD), nitrogen, and phosphorus were treated with the use of an intermittently aerating bioreactor combined with electrocoagulation. Experiments consisting of batch reactor tests were conducted to identify the most efficient electrode material and the best condition for electrolysis so that the current density would not impede the biological treatment. The operating conditions needed when using an intermittently aerating bioreactor combined with electrocoagulation to enhance phosphorus removal were also identified. Iron was found to be more efficient than aluminum as an electrode material in terms of electricity requirement. When electrocoagulation was conducted and an intermittently aerating bioreactor was used, the electrolysis of the iron electrode in the aerobic stage was observed to be more favorable compared to continuous electrolysis. Sludge rise occurred at the current density of 5.7 mA cm-2, and lysis of cell at 11.2 mA cm-2. The applicable current density was found to be less than 4 mA cm-2. Based on the results of this study, it can be concluded that the use of an intermittently aerating bioreactor combined with electrocoagulation enhances phosphorus removal in sewage treatment plants.

Titel:	Electrocoagulation combined with the use of an intermittently aerating bioreactor to enhance phosphorus removal
Autor/in / Beteiligte Person:	YU, M. J ; KU, Y. H ; KIM, Y. S ; MYUNG, G. N
Link:	View record from PASCAL Archive
Zeitschrift:	Environmental technology, Jg. 27 (2006), Heft 5, S. 483-491
Veröffentlichung:	London: Selper, 2006
Medientyp:	academicJournal
Umfang:	print, 19 ref
ISSN:	0959-3330 (print)
Schlagwort:	Environment Environnement Geology Géologie Pollution Toxicology Toxicologie Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Genie chimique Chemical engineering Réacteurs Reactors Traitement et pollution des eaux Water treatment and pollution Eaux usées Wastewaters Procédés généraux d'épuration General purification processes Ouvrages d'assainissement: égoûts, stations d'épuration, émissaires, . Sewerage works: sewers, sewage treatment plants, outfalls, . Sciences biologiques et medicales Biological and medical sciences Sciences biologiques fondamentales et appliquees. Psychologie Fundamental and applied biological sciences. Psychology Biotechnologie Biotechnology Méthodes. Procédés. Technologies Methods. Procedures. Technologies Méthodes et appareillages divers Various methods and equipments Autres Others Azote Nitrogen Nitrógeno Aérobie Aerobe Aerobio Bioréacteur Bioreactor Biorreactor Condition opératoire Operating conditions Condición operatoria DBO Biological oxygen demand Densité Density Densidad Electrocoagulation Electrocoagulación Electrode Electrodes Electrodo Electrolyse Electrolysis Electrólisis En discontinu Batchwise En discontinuo Epuration biologique Biological purification Depuración biológica Matériau électrode Electrode material Material electrodo Phosphore Phosphorus Fósforo Réacteur Reactor Station épuration Sewage treatment plant Estación depuradora Traitement biologique Biological treatment Tratamiento biológico Traitement déchet Waste treatment Tratamiento desperdicios Traitement électrochimique Electrochemical treatment Tratamiento electroquímico intermittently aerating bioreactor iron electrode phosphorus removal
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: The University of Seoul, Department of Environmental Engineering, 90 Junnondong, Dongdaemungu, Seoul 130-743, Korea, Republic of ; Hankuk Engineering Consultants, 801 Anyangmegavalley, 799 Gwanyang2-dong, Dongan-gu, Anyang, Gyeunggi-do, Korea, Republic of ; Water & Land Co., Ltd., 344-6 Suksu-dong, Anyang, Gyeunggi-do, Korea, Republic of Rights: Copyright 2008 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Biotechnology ; Chemical engineering ; Pollution

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Electrocoagulation combined with the use of an intermittently aerating bioreactor to enhance phosphorus removal