The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater
The characterizations of vegetable oil wastewater (VOW) are unpleasant odor, dark color, and high organic contents, including large amounts of oil and grease (O&G), chemical oxygen demand (COD), fatty acids and lipids. Therefore, VOWs should be treated efficiently to avoid the environment pollut...
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| Veröffentlicht in: | International Journal of Engineering 2016-12, Vol.29 (12) |
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| creator | Sharghi, E Abdollahzadeh Shorgashti, A Bonakdarpour, B |
| description | The characterizations of vegetable oil wastewater (VOW) are unpleasant odor, dark color, and high organic contents, including large amounts of oil and grease (O&G), chemical oxygen demand (COD), fatty acids and lipids. Therefore, VOWs should be treated efficiently to avoid the environment pollution. The aim of present study was the investigation of VOW biological treatment using membrane bioreactor (MBR) in terms of organic pollutant removal performance and membrane fouling. During the 30 days MBR operation at hydraulic retention time and solid retention time of 48 h and 20 days, respectively, there was a consistently low turbidity ( |
| doi_str_mv | 10.5829/idosi.ije.2016.29.12c.02 |
| format | Article |
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Therefore, VOWs should be treated efficiently to avoid the environment pollution. The aim of present study was the investigation of VOW biological treatment using membrane bioreactor (MBR) in terms of organic pollutant removal performance and membrane fouling. During the 30 days MBR operation at hydraulic retention time and solid retention time of 48 h and 20 days, respectively, there was a consistently low turbidity (<2 NTU) in the MBR effluent. The COD and O&G removal efficiency from the wastewater using MBR were 85.0+ or -1.3% and 82.7+ or -1.4%, respectively. With decrease in aerobic metabolic activity and hence the activated sludge growth rate during the MBR operation, MLSS and MLVSS decreased and led to accumulation of O&G and soluble microbial products (SMP) inside the bioreactor. The effluent COD value and the transmembrane pressure during the MBR operation remained in the range 88.7+ or -11.5 mg L super(-1) and 1-2 kPa, respectively. The current study shows that the MBR has a very good potential for treatment of VOW, both in terms of removal performance and membrane fouling.</description><identifier>ISSN: 2423-7167</identifier><identifier>ISSN: 1025-2495</identifier><identifier>EISSN: 1735-9244</identifier><identifier>DOI: 10.5829/idosi.ije.2016.29.12c.02</identifier><language>eng</language><subject>Bioreactors ; Chemical oxygen demand ; Efficiency ; Effluents ; Fouling ; Membranes ; Vegetables ; Wastewater treatment</subject><ispartof>International Journal of Engineering, 2016-12, Vol.29 (12)</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Sharghi, E Abdollahzadeh</creatorcontrib><creatorcontrib>Shorgashti, A</creatorcontrib><creatorcontrib>Bonakdarpour, B</creatorcontrib><title>The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater</title><title>International Journal of Engineering</title><description>The characterizations of vegetable oil wastewater (VOW) are unpleasant odor, dark color, and high organic contents, including large amounts of oil and grease (O&G), chemical oxygen demand (COD), fatty acids and lipids. Therefore, VOWs should be treated efficiently to avoid the environment pollution. The aim of present study was the investigation of VOW biological treatment using membrane bioreactor (MBR) in terms of organic pollutant removal performance and membrane fouling. During the 30 days MBR operation at hydraulic retention time and solid retention time of 48 h and 20 days, respectively, there was a consistently low turbidity (<2 NTU) in the MBR effluent. The COD and O&G removal efficiency from the wastewater using MBR were 85.0+ or -1.3% and 82.7+ or -1.4%, respectively. With decrease in aerobic metabolic activity and hence the activated sludge growth rate during the MBR operation, MLSS and MLVSS decreased and led to accumulation of O&G and soluble microbial products (SMP) inside the bioreactor. The effluent COD value and the transmembrane pressure during the MBR operation remained in the range 88.7+ or -11.5 mg L super(-1) and 1-2 kPa, respectively. The current study shows that the MBR has a very good potential for treatment of VOW, both in terms of removal performance and membrane fouling.</description><subject>Bioreactors</subject><subject>Chemical oxygen demand</subject><subject>Efficiency</subject><subject>Effluents</subject><subject>Fouling</subject><subject>Membranes</subject><subject>Vegetables</subject><subject>Wastewater treatment</subject><issn>2423-7167</issn><issn>1025-2495</issn><issn>1735-9244</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNkU1r3DAQhkVoIEua_6BjLnb1YVvysV2StLBhIdkmRzGWxlsV20olu2GP_efRdnPosTAww7wPw8BDCOWsrLVoP3kXki_9TywF400p2pILWzJxRlZcybpoRVV9ICtRCVko3qgLcpWS71hd56qZXJE_ux9IH-fFHWjo6TbuYfKWPuAYfsNAb_reW4-TPVCYHL3HsYswIb0Ny-CnPfUTBfq4dCPGPf6Tf_EhItg5RLrLw3xkn3CPM3QD0q0f6DOkGV9hxviRnPcwJLx675fk--3Nbv212Gzvvq0_bworGJuL1jnHLSonpJYgVd1xaavWMdBaaBRKdVDVTc4BHKvA9tyJVllo-47pDF-S69Pdlxh-LZhmM_pkcRjyw2FJhmtdcaEbpv4DVUJz3dQyo_qE2hhSitibl-hHiAfDmTk6Mn8dmezIHB2ZvMmODBPyDb77iYg</recordid><startdate>20161201</startdate><enddate>20161201</enddate><creator>Sharghi, E Abdollahzadeh</creator><creator>Shorgashti, A</creator><creator>Bonakdarpour, B</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7TV</scope><scope>C1K</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20161201</creationdate><title>The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater</title><author>Sharghi, E Abdollahzadeh ; Shorgashti, A ; Bonakdarpour, B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c200t-9ddd1ce7d2383a375b13c49d0a8828e277ba4567d2aad04acf1d297ca9fb08b13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Bioreactors</topic><topic>Chemical oxygen demand</topic><topic>Efficiency</topic><topic>Effluents</topic><topic>Fouling</topic><topic>Membranes</topic><topic>Vegetables</topic><topic>Wastewater treatment</topic><toplevel>online_resources</toplevel><creatorcontrib>Sharghi, E Abdollahzadeh</creatorcontrib><creatorcontrib>Shorgashti, A</creatorcontrib><creatorcontrib>Bonakdarpour, B</creatorcontrib><collection>CrossRef</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>International Journal of Engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sharghi, E Abdollahzadeh</au><au>Shorgashti, A</au><au>Bonakdarpour, B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater</atitle><jtitle>International Journal of Engineering</jtitle><date>2016-12-01</date><risdate>2016</risdate><volume>29</volume><issue>12</issue><issn>2423-7167</issn><issn>1025-2495</issn><eissn>1735-9244</eissn><abstract>The characterizations of vegetable oil wastewater (VOW) are unpleasant odor, dark color, and high organic contents, including large amounts of oil and grease (O&G), chemical oxygen demand (COD), fatty acids and lipids. Therefore, VOWs should be treated efficiently to avoid the environment pollution. The aim of present study was the investigation of VOW biological treatment using membrane bioreactor (MBR) in terms of organic pollutant removal performance and membrane fouling. During the 30 days MBR operation at hydraulic retention time and solid retention time of 48 h and 20 days, respectively, there was a consistently low turbidity (<2 NTU) in the MBR effluent. The COD and O&G removal efficiency from the wastewater using MBR were 85.0+ or -1.3% and 82.7+ or -1.4%, respectively. With decrease in aerobic metabolic activity and hence the activated sludge growth rate during the MBR operation, MLSS and MLVSS decreased and led to accumulation of O&G and soluble microbial products (SMP) inside the bioreactor. The effluent COD value and the transmembrane pressure during the MBR operation remained in the range 88.7+ or -11.5 mg L super(-1) and 1-2 kPa, respectively. 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| subjects | Bioreactors Chemical oxygen demand Efficiency Effluents Fouling Membranes Vegetables Wastewater treatment |
| title | The Study of Organic Removal Efficiency and Membrane Fouling in a Submerged Membrane Bioreactor Treating Vegetable Oil Wastewater |
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