UASB/Flash aeration enable complete treatment of municipal wastewater for reuse
A simple, efficient and cost-effective method for municipal wastewater treatment is examined in this paper. The municipal wastewater is treated using an upflow anaerobic sludge bed (UASB) reactor followed by flash aeration (FA) as the post-treatment, without implementing aerobic biological processes...
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creator | Khan, Abid Ali Gaur, Rubia Zahid Lew, Beni Diamantis, Vasileios Mehrotra, Indu Kazmi, A. A |
description | A simple, efficient and cost-effective method for municipal wastewater treatment is examined in this paper. The municipal wastewater is treated using an upflow anaerobic sludge bed (UASB) reactor followed by flash aeration (FA) as the post-treatment, without implementing aerobic biological processes. The UASB reactor was operated without recycle, at hydraulic retention time (HRT) of 8 h and achieved consistent removal of BOD, COD and TSS of 60–70% for more than 12 months. The effect of FA on UASB effluent post-treatment was studied at different HRT (15, 30 and 60 min) and dissolved oxygen (DO) concentrations (low DO = 1–2 mg/L and high DO = 5–6 mg/L). The optimum conditions for BOD, COD and sulfide removal were 30–60 min HRT and high DO concentration inside the FA tank. The final effluent after clarification was characterized by BOD and COD values of 28–35 and 50–58 mg/L, respectively. Sulfides were removed by more than 80%, but the fecal coliform only by ~2 log. The UASB followed by FA is a simple and efficient process for municipal wastewater treatment, except for fecal coliform, enabling water and nutrients recycling to agriculture. |
doi_str_mv | 10.1007/s00449-011-0675-z |
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The final effluent after clarification was characterized by BOD and COD values of 28–35 and 50–58 mg/L, respectively. Sulfides were removed by more than 80%, but the fecal coliform only by ~2 log. The UASB followed by FA is a simple and efficient process for municipal wastewater treatment, except for fecal coliform, enabling water and nutrients recycling to agriculture.</description><identifier>ISSN: 1615-7591</identifier><identifier>EISSN: 1615-7605</identifier><identifier>DOI: 10.1007/s00449-011-0675-z</identifier><identifier>PMID: 22218993</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Aeration ; Bacteria ; Biochemical oxygen demand ; Biodegradation ; Biological and medical sciences ; bioprocessing ; Bioreactors ; Bioreactors - microbiology ; Biotechnology ; chemical oxygen demand ; Chemistry ; Chemistry and Materials Science ; coliform bacteria ; cost effectiveness ; Dissolved oxygen ; engineering ; Environmental Engineering/Biotechnology ; Food Science ; Fundamental and applied biological sciences. Psychology ; Industrial and Production Engineering ; Industrial Chemistry/Chemical Engineering ; Methods. Procedures. Technologies ; Municipal wastewater ; nutrients ; Original Paper ; Oxygen - metabolism ; Oxygen Consumption - physiology ; Reactors ; Retention time ; Sewage - microbiology ; Sludge ; Sludge bed ; Sulfides ; Sulfides - metabolism ; upflow anaerobic sludge blanket reactor ; Various methods and equipments ; Waste Disposal, Fluid - methods ; Wastewater reuse ; Wastewater treatment ; Water Purification - methods ; Water reuse ; Water treatment</subject><ispartof>Bioprocess and biosystems engineering, 2012-08, Vol.35 (6), p.907-913</ispartof><rights>Springer-Verlag 2012</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c459t-f0b5c4348f0cd751fe6396a332be2ef670a979abd1195b68d495a102cfb093623</citedby><cites>FETCH-LOGICAL-c459t-f0b5c4348f0cd751fe6396a332be2ef670a979abd1195b68d495a102cfb093623</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00449-011-0675-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00449-011-0675-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26017232$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22218993$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Khan, Abid Ali</creatorcontrib><creatorcontrib>Gaur, Rubia Zahid</creatorcontrib><creatorcontrib>Lew, Beni</creatorcontrib><creatorcontrib>Diamantis, Vasileios</creatorcontrib><creatorcontrib>Mehrotra, Indu</creatorcontrib><creatorcontrib>Kazmi, A. A</creatorcontrib><title>UASB/Flash aeration enable complete treatment of municipal wastewater for reuse</title><title>Bioprocess and biosystems engineering</title><addtitle>Bioprocess Biosyst Eng</addtitle><addtitle>Bioprocess Biosyst Eng</addtitle><description>A simple, efficient and cost-effective method for municipal wastewater treatment is examined in this paper. The municipal wastewater is treated using an upflow anaerobic sludge bed (UASB) reactor followed by flash aeration (FA) as the post-treatment, without implementing aerobic biological processes. The UASB reactor was operated without recycle, at hydraulic retention time (HRT) of 8 h and achieved consistent removal of BOD, COD and TSS of 60–70% for more than 12 months. The effect of FA on UASB effluent post-treatment was studied at different HRT (15, 30 and 60 min) and dissolved oxygen (DO) concentrations (low DO = 1–2 mg/L and high DO = 5–6 mg/L). The optimum conditions for BOD, COD and sulfide removal were 30–60 min HRT and high DO concentration inside the FA tank. The final effluent after clarification was characterized by BOD and COD values of 28–35 and 50–58 mg/L, respectively. Sulfides were removed by more than 80%, but the fecal coliform only by ~2 log. The UASB followed by FA is a simple and efficient process for municipal wastewater treatment, except for fecal coliform, enabling water and nutrients recycling to agriculture.</description><subject>Aeration</subject><subject>Bacteria</subject><subject>Biochemical oxygen demand</subject><subject>Biodegradation</subject><subject>Biological and medical sciences</subject><subject>bioprocessing</subject><subject>Bioreactors</subject><subject>Bioreactors - microbiology</subject><subject>Biotechnology</subject><subject>chemical oxygen demand</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>coliform bacteria</subject><subject>cost effectiveness</subject><subject>Dissolved oxygen</subject><subject>engineering</subject><subject>Environmental Engineering/Biotechnology</subject><subject>Food Science</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Industrial and Production Engineering</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Methods. Procedures. 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Psychology</topic><topic>Industrial and Production Engineering</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Methods. Procedures. 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The effect of FA on UASB effluent post-treatment was studied at different HRT (15, 30 and 60 min) and dissolved oxygen (DO) concentrations (low DO = 1–2 mg/L and high DO = 5–6 mg/L). The optimum conditions for BOD, COD and sulfide removal were 30–60 min HRT and high DO concentration inside the FA tank. The final effluent after clarification was characterized by BOD and COD values of 28–35 and 50–58 mg/L, respectively. Sulfides were removed by more than 80%, but the fecal coliform only by ~2 log. The UASB followed by FA is a simple and efficient process for municipal wastewater treatment, except for fecal coliform, enabling water and nutrients recycling to agriculture.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><pmid>22218993</pmid><doi>10.1007/s00449-011-0675-z</doi><tpages>7</tpages></addata></record> |
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subjects | Aeration Bacteria Biochemical oxygen demand Biodegradation Biological and medical sciences bioprocessing Bioreactors Bioreactors - microbiology Biotechnology chemical oxygen demand Chemistry Chemistry and Materials Science coliform bacteria cost effectiveness Dissolved oxygen engineering Environmental Engineering/Biotechnology Food Science Fundamental and applied biological sciences. Psychology Industrial and Production Engineering Industrial Chemistry/Chemical Engineering Methods. Procedures. Technologies Municipal wastewater nutrients Original Paper Oxygen - metabolism Oxygen Consumption - physiology Reactors Retention time Sewage - microbiology Sludge Sludge bed Sulfides Sulfides - metabolism upflow anaerobic sludge blanket reactor Various methods and equipments Waste Disposal, Fluid - methods Wastewater reuse Wastewater treatment Water Purification - methods Water reuse Water treatment |
title | UASB/Flash aeration enable complete treatment of municipal wastewater for reuse |
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