The study of organic removal efficiency and halophilic bacterial mixed liquor characteristics in a membrane bioreactor treating hypersaline produced water at varying organic loading rates
•>95% O&G removal from synthetic PW in MBR with halophilic consortium at high OLR.•O&G and SMP transient accumulation occurred but did not affect removal performance.•Bioflocculation and compressibility of flocs affected by EPS and surface charge.•At high OLR non-Newtonain rheology and EP...
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| Veröffentlicht in: | Bioresource technology 2013-12, Vol.149, p.486-495 |
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| creator | Abdollahzadeh Sharghi, Elham Bonakdarpour, Babak |
| description | •>95% O&G removal from synthetic PW in MBR with halophilic consortium at high OLR.•O&G and SMP transient accumulation occurred but did not affect removal performance.•Bioflocculation and compressibility of flocs affected by EPS and surface charge.•At high OLR non-Newtonain rheology and EPS bulking in the mixed liquor was observed.•Membrane fouling mainly due to cake formation at highest OLR of 2.6kgCODm−3d−1.
In this study the organic pollutant removal performance and the mixed liquor characteristics of a membrane bioreactor (MBR), employing a halophilic bacterial consortium, for the treatment of hypersaline synthetic produced water – at varying organic loading rates (OLR) from 0.3 to 2.6kgCODm−3d−1 – were considered. The oil and grease (O&G) and COD removal efficiency were 95–99% and 83–93%, respectively with only transient O&G (mainly polycyclic aromatic hydrocarbons) and soluble microbial products accumulation being observed. With increasing OLR, in the range 0.9–2.6kgCODm−3d−1, as a result of change in both extracellular polymeric substances (EPS) and zeta potential, bioflocculating ability improved but the compressibility of the flocs decreased resulting in the occurrence of EPS bulking at the highest OLR studied. The latter resulted in a change in the rheology of the mixed liquor from Newtonian to non-Newtonian and the occurrence of significant membrane fouling. |
| doi_str_mv | 10.1016/j.biortech.2013.09.110 |
| format | Article |
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In this study the organic pollutant removal performance and the mixed liquor characteristics of a membrane bioreactor (MBR), employing a halophilic bacterial consortium, for the treatment of hypersaline synthetic produced water – at varying organic loading rates (OLR) from 0.3 to 2.6kgCODm−3d−1 – were considered. The oil and grease (O&G) and COD removal efficiency were 95–99% and 83–93%, respectively with only transient O&G (mainly polycyclic aromatic hydrocarbons) and soluble microbial products accumulation being observed. With increasing OLR, in the range 0.9–2.6kgCODm−3d−1, as a result of change in both extracellular polymeric substances (EPS) and zeta potential, bioflocculating ability improved but the compressibility of the flocs decreased resulting in the occurrence of EPS bulking at the highest OLR studied. The latter resulted in a change in the rheology of the mixed liquor from Newtonian to non-Newtonian and the occurrence of significant membrane fouling.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2013.09.110</identifier><identifier>PMID: 24140854</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Bacteria ; Biodegradation, Environmental ; Biological and medical sciences ; Biological Oxygen Demand Analysis ; Bioreactors ; Bioreactors - microbiology ; Biotechnology ; Colony Count, Microbial ; Compressibility ; EPS ; Extracellular polymeric substances (EPS) ; Fundamental and applied biological sciences. Psychology ; Greases ; Halobacteriales - growth & development ; Halophilic bacterial consortium ; Hypersaline produced water (PW) ; Loading rate ; Membrane bioreactor (MBR) ; Membranes ; Membranes, Artificial ; Methods. Procedures. Technologies ; Nephelometry and Turbidimetry ; Oils - isolation & purification ; Organic Chemicals - isolation & purification ; Rheology ; Salinity ; Sewage - chemistry ; Soluble microbial products (SMP) ; Various methods and equipments ; Volatilization ; Waste Disposal, Fluid ; Waste Water - chemistry ; Water Purification - instrumentation ; Water Purification - methods ; Zeta potential</subject><ispartof>Bioresource technology, 2013-12, Vol.149, p.486-495</ispartof><rights>2013 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-55ecf20d921042c37c0a2e9464e7d619da1e89fe01b096f3b707d85ca0e95b5e3</citedby><cites>FETCH-LOGICAL-c464t-55ecf20d921042c37c0a2e9464e7d619da1e89fe01b096f3b707d85ca0e95b5e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2013.09.110$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27960075$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24140854$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Abdollahzadeh Sharghi, Elham</creatorcontrib><creatorcontrib>Bonakdarpour, Babak</creatorcontrib><title>The study of organic removal efficiency and halophilic bacterial mixed liquor characteristics in a membrane bioreactor treating hypersaline produced water at varying organic loading rates</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>•>95% O&G removal from synthetic PW in MBR with halophilic consortium at high OLR.•O&G and SMP transient accumulation occurred but did not affect removal performance.•Bioflocculation and compressibility of flocs affected by EPS and surface charge.•At high OLR non-Newtonain rheology and EPS bulking in the mixed liquor was observed.•Membrane fouling mainly due to cake formation at highest OLR of 2.6kgCODm−3d−1.
In this study the organic pollutant removal performance and the mixed liquor characteristics of a membrane bioreactor (MBR), employing a halophilic bacterial consortium, for the treatment of hypersaline synthetic produced water – at varying organic loading rates (OLR) from 0.3 to 2.6kgCODm−3d−1 – were considered. The oil and grease (O&G) and COD removal efficiency were 95–99% and 83–93%, respectively with only transient O&G (mainly polycyclic aromatic hydrocarbons) and soluble microbial products accumulation being observed. With increasing OLR, in the range 0.9–2.6kgCODm−3d−1, as a result of change in both extracellular polymeric substances (EPS) and zeta potential, bioflocculating ability improved but the compressibility of the flocs decreased resulting in the occurrence of EPS bulking at the highest OLR studied. The latter resulted in a change in the rheology of the mixed liquor from Newtonian to non-Newtonian and the occurrence of significant membrane fouling.</description><subject>Bacteria</subject><subject>Biodegradation, Environmental</subject><subject>Biological and medical sciences</subject><subject>Biological Oxygen Demand Analysis</subject><subject>Bioreactors</subject><subject>Bioreactors - microbiology</subject><subject>Biotechnology</subject><subject>Colony Count, Microbial</subject><subject>Compressibility</subject><subject>EPS</subject><subject>Extracellular polymeric substances (EPS)</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Greases</subject><subject>Halobacteriales - growth & development</subject><subject>Halophilic bacterial consortium</subject><subject>Hypersaline produced water (PW)</subject><subject>Loading rate</subject><subject>Membrane bioreactor (MBR)</subject><subject>Membranes</subject><subject>Membranes, Artificial</subject><subject>Methods. Procedures. Technologies</subject><subject>Nephelometry and Turbidimetry</subject><subject>Oils - isolation & purification</subject><subject>Organic Chemicals - isolation & purification</subject><subject>Rheology</subject><subject>Salinity</subject><subject>Sewage - chemistry</subject><subject>Soluble microbial products (SMP)</subject><subject>Various methods and equipments</subject><subject>Volatilization</subject><subject>Waste Disposal, Fluid</subject><subject>Waste Water - chemistry</subject><subject>Water Purification - instrumentation</subject><subject>Water Purification - methods</subject><subject>Zeta potential</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFks9u1DAQxiMEokvhFSpfkLgkjBPn3w1UAUWqxKWcLceeNF4l8dZ2FvbZeDkm3V047sm2vp_Hn2e-JLnhkHHg1cdt1lnnI-ohy4EXGbQZ5_Ai2fCmLtK8rauXyQbaCtKmzMVV8iaELQAUvM5fJ1e54AKaUmySPw8DshAXc2CuZ84_qtlq5nFyezUy7HurLc76wNRs2KBGtxvsSESndERviZnsbzRstE-L80wPyh-VEK0OzM5MsQmnzqsZ2WoZSSYw0iba-ZENhx36oEZL-s47s2iq9ktRCaYi2yt_WKmzsdEps549AeFt8qpXY8B3p_U6-fn1y8PtXXr_49v328_3qRaViGlZou5zMG3OQeS6qDWoHFvSsDYVb43i2LQ9Au-oYX3R1VCbptQKsC27Eovr5MOxLvl7WjBEOdmgcRzpT24JklciL6CCsriMlryqRdNU5WVUiIYcg2gIrY6o9i4Ej73ceTtRayQHucZBbuU5DnKNg4RWUhzo4s3pjaWb0Py7dp4_Ae9PgApajT2NSdvwn6spQVCvZj8dOaQ-7y16GZ5zgcZ61FEaZy95-QtIJNsU</recordid><startdate>20131201</startdate><enddate>20131201</enddate><creator>Abdollahzadeh Sharghi, Elham</creator><creator>Bonakdarpour, Babak</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7QL</scope><scope>7QO</scope><scope>7T7</scope><scope>7TV</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H97</scope><scope>L.G</scope><scope>P64</scope><scope>7SU</scope><scope>7TB</scope><scope>7U5</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20131201</creationdate><title>The study of organic removal efficiency and halophilic bacterial mixed liquor characteristics in a membrane bioreactor treating hypersaline produced water at varying organic loading rates</title><author>Abdollahzadeh Sharghi, Elham ; Bonakdarpour, Babak</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-55ecf20d921042c37c0a2e9464e7d619da1e89fe01b096f3b707d85ca0e95b5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Bacteria</topic><topic>Biodegradation, Environmental</topic><topic>Biological and medical sciences</topic><topic>Biological Oxygen Demand Analysis</topic><topic>Bioreactors</topic><topic>Bioreactors - microbiology</topic><topic>Biotechnology</topic><topic>Colony Count, Microbial</topic><topic>Compressibility</topic><topic>EPS</topic><topic>Extracellular polymeric substances (EPS)</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Greases</topic><topic>Halobacteriales - growth & development</topic><topic>Halophilic bacterial consortium</topic><topic>Hypersaline produced water (PW)</topic><topic>Loading rate</topic><topic>Membrane bioreactor (MBR)</topic><topic>Membranes</topic><topic>Membranes, Artificial</topic><topic>Methods. Procedures. Technologies</topic><topic>Nephelometry and Turbidimetry</topic><topic>Oils - isolation & purification</topic><topic>Organic Chemicals - isolation & purification</topic><topic>Rheology</topic><topic>Salinity</topic><topic>Sewage - chemistry</topic><topic>Soluble microbial products (SMP)</topic><topic>Various methods and equipments</topic><topic>Volatilization</topic><topic>Waste Disposal, Fluid</topic><topic>Waste Water - chemistry</topic><topic>Water Purification - instrumentation</topic><topic>Water Purification - methods</topic><topic>Zeta potential</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abdollahzadeh Sharghi, Elham</creatorcontrib><creatorcontrib>Bonakdarpour, Babak</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Aqualine</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Pollution Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abdollahzadeh Sharghi, Elham</au><au>Bonakdarpour, Babak</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The study of organic removal efficiency and halophilic bacterial mixed liquor characteristics in a membrane bioreactor treating hypersaline produced water at varying organic loading rates</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2013-12-01</date><risdate>2013</risdate><volume>149</volume><spage>486</spage><epage>495</epage><pages>486-495</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>•>95% O&G removal from synthetic PW in MBR with halophilic consortium at high OLR.•O&G and SMP transient accumulation occurred but did not affect removal performance.•Bioflocculation and compressibility of flocs affected by EPS and surface charge.•At high OLR non-Newtonain rheology and EPS bulking in the mixed liquor was observed.•Membrane fouling mainly due to cake formation at highest OLR of 2.6kgCODm−3d−1.
In this study the organic pollutant removal performance and the mixed liquor characteristics of a membrane bioreactor (MBR), employing a halophilic bacterial consortium, for the treatment of hypersaline synthetic produced water – at varying organic loading rates (OLR) from 0.3 to 2.6kgCODm−3d−1 – were considered. The oil and grease (O&G) and COD removal efficiency were 95–99% and 83–93%, respectively with only transient O&G (mainly polycyclic aromatic hydrocarbons) and soluble microbial products accumulation being observed. With increasing OLR, in the range 0.9–2.6kgCODm−3d−1, as a result of change in both extracellular polymeric substances (EPS) and zeta potential, bioflocculating ability improved but the compressibility of the flocs decreased resulting in the occurrence of EPS bulking at the highest OLR studied. The latter resulted in a change in the rheology of the mixed liquor from Newtonian to non-Newtonian and the occurrence of significant membrane fouling.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>24140854</pmid><doi>10.1016/j.biortech.2013.09.110</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Bioresource technology, 2013-12, Vol.149, p.486-495 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Bacteria Biodegradation, Environmental Biological and medical sciences Biological Oxygen Demand Analysis Bioreactors Bioreactors - microbiology Biotechnology Colony Count, Microbial Compressibility EPS Extracellular polymeric substances (EPS) Fundamental and applied biological sciences. Psychology Greases Halobacteriales - growth & development Halophilic bacterial consortium Hypersaline produced water (PW) Loading rate Membrane bioreactor (MBR) Membranes Membranes, Artificial Methods. Procedures. Technologies Nephelometry and Turbidimetry Oils - isolation & purification Organic Chemicals - isolation & purification Rheology Salinity Sewage - chemistry Soluble microbial products (SMP) Various methods and equipments Volatilization Waste Disposal, Fluid Waste Water - chemistry Water Purification - instrumentation Water Purification - methods Zeta potential |
| title | The study of organic removal efficiency and halophilic bacterial mixed liquor characteristics in a membrane bioreactor treating hypersaline produced water at varying organic loading rates |
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