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Effect of hydraulic retention time on the performance of a hybrid moving bed biofilm reactor-membrane bioreactor system for micropollutants removal from municipal wastewater
[Display omitted] •Effect of HRT on the performance of a hybrid MBBR-MBR was investigated.•The removal of 22 micropollutants was examined under 4 different HRTs.•18h was the optimal HRT regarding the removal of most selected micropollutants.•Longer HRTs could significantly mitigate membrane fouling....
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Published in: | Bioresource technology 2018-01, Vol.247, p.1228-1232 |
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container_title | Bioresource technology |
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creator | Jiang, Qi Ngo, Hao H. Nghiem, Long D. Hai, Faisal I. Price, William E. Zhang, Jian Liang, Shuang Deng, Lijuan Guo, Wenshan |
description | [Display omitted]
•Effect of HRT on the performance of a hybrid MBBR-MBR was investigated.•The removal of 22 micropollutants was examined under 4 different HRTs.•18h was the optimal HRT regarding the removal of most selected micropollutants.•Longer HRTs could significantly mitigate membrane fouling.
This study evaluated micropollutants removal and membrane fouling behaviour of a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) system at four different hydraulic retention times (HRTs) (24, 18, 12 and 6h). The results revealed that HRT of 18h was the optimal condition regarding the removal of most selected micropollutants. As the primary removal mechanism in the hybrid system was biodegradation, the attached growth pattern was desirable for enriching slow growing bacteria and developing a diversity of biocoenosis. Thus, the efficient removal of micropollutants was obtained. In terms of membrane fouling propensity analysis, a longer HRT (e.g. HRTs of 24 and 18h) could significantly mitigate membrane fouling when compared with the shortest HRT of 6h. Hence, enhanced system performance could be achieved when the MBBR-MBR system was operated at HRT of 18h. |
doi_str_mv | 10.1016/j.biortech.2017.09.114 |
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•Effect of HRT on the performance of a hybrid MBBR-MBR was investigated.•The removal of 22 micropollutants was examined under 4 different HRTs.•18h was the optimal HRT regarding the removal of most selected micropollutants.•Longer HRTs could significantly mitigate membrane fouling.
This study evaluated micropollutants removal and membrane fouling behaviour of a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) system at four different hydraulic retention times (HRTs) (24, 18, 12 and 6h). The results revealed that HRT of 18h was the optimal condition regarding the removal of most selected micropollutants. As the primary removal mechanism in the hybrid system was biodegradation, the attached growth pattern was desirable for enriching slow growing bacteria and developing a diversity of biocoenosis. Thus, the efficient removal of micropollutants was obtained. In terms of membrane fouling propensity analysis, a longer HRT (e.g. HRTs of 24 and 18h) could significantly mitigate membrane fouling when compared with the shortest HRT of 6h. Hence, enhanced system performance could be achieved when the MBBR-MBR system was operated at HRT of 18h.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2017.09.114</identifier><identifier>PMID: 28958886</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Biodegradation, Environmental ; Biofilms ; Bioreactors ; Hydraulic retention time (HRT) ; Membrane bioreactor ; Membranes, Artificial ; Micropollutants removal ; Moving bed biofilm reactor ; Sponge ; Waste Disposal, Fluid ; Waste Water</subject><ispartof>Bioresource technology, 2018-01, Vol.247, p.1228-1232</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright © 2017 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c453t-83f7bab2340c747a28ae46a0267e394ce614c0370a30dfb4333da15cc101cdd83</citedby><cites>FETCH-LOGICAL-c453t-83f7bab2340c747a28ae46a0267e394ce614c0370a30dfb4333da15cc101cdd83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28958886$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jiang, Qi</creatorcontrib><creatorcontrib>Ngo, Hao H.</creatorcontrib><creatorcontrib>Nghiem, Long D.</creatorcontrib><creatorcontrib>Hai, Faisal I.</creatorcontrib><creatorcontrib>Price, William E.</creatorcontrib><creatorcontrib>Zhang, Jian</creatorcontrib><creatorcontrib>Liang, Shuang</creatorcontrib><creatorcontrib>Deng, Lijuan</creatorcontrib><creatorcontrib>Guo, Wenshan</creatorcontrib><title>Effect of hydraulic retention time on the performance of a hybrid moving bed biofilm reactor-membrane bioreactor system for micropollutants removal from municipal wastewater</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>[Display omitted]
•Effect of HRT on the performance of a hybrid MBBR-MBR was investigated.•The removal of 22 micropollutants was examined under 4 different HRTs.•18h was the optimal HRT regarding the removal of most selected micropollutants.•Longer HRTs could significantly mitigate membrane fouling.
This study evaluated micropollutants removal and membrane fouling behaviour of a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) system at four different hydraulic retention times (HRTs) (24, 18, 12 and 6h). The results revealed that HRT of 18h was the optimal condition regarding the removal of most selected micropollutants. As the primary removal mechanism in the hybrid system was biodegradation, the attached growth pattern was desirable for enriching slow growing bacteria and developing a diversity of biocoenosis. Thus, the efficient removal of micropollutants was obtained. In terms of membrane fouling propensity analysis, a longer HRT (e.g. HRTs of 24 and 18h) could significantly mitigate membrane fouling when compared with the shortest HRT of 6h. Hence, enhanced system performance could be achieved when the MBBR-MBR system was operated at HRT of 18h.</description><subject>Biodegradation, Environmental</subject><subject>Biofilms</subject><subject>Bioreactors</subject><subject>Hydraulic retention time (HRT)</subject><subject>Membrane bioreactor</subject><subject>Membranes, Artificial</subject><subject>Micropollutants removal</subject><subject>Moving bed biofilm reactor</subject><subject>Sponge</subject><subject>Waste Disposal, Fluid</subject><subject>Waste Water</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkc1u3CAUhVHVqJkkfYWIZTd2wGBj71pF6Y8UqZt2jTBcOoyMcQEnmofKOxZrJt1mdQWccy73fgjdUlJTQru7Qz26EDPofd0QKmoy1JTyd2hHe8GqZhDde7QjQ0eqvm34JbpK6UAIYVQ0H9Bl0w9t3_fdDr08WAs642Dx_miiWiencYQMc3Zhxtl5wFvdA14g2hC9mjVsclUMY3QG-_Dk5j94BIPLn6ybfAlQOodYefBjVDNsD-c7nI4pg8clCnunY1jCNK1ZzTkVW8lSE7YxeOzX2Wm3lOOzKo5nlSHeoAurpgQfz_Ua_f768Ov-e_X489uP-y-PleYty1XPrBjV2DBOtOBCNb0C3inSdALYwDV0lGvCBFGMGDtyxphRtNW6rFYb07Nr9OmUu8Twd4WUpXdJwzSVWcKaJB1421AhBl6k3UlaRkkpgpVLdF7Fo6REbqjkQb6ikhsqSQZZUBXj7bnHOnow_22vbIrg80kAZdInB1Em7aBs37hYkEkT3Fs9_gGMO63_</recordid><startdate>201801</startdate><enddate>201801</enddate><creator>Jiang, Qi</creator><creator>Ngo, Hao H.</creator><creator>Nghiem, Long D.</creator><creator>Hai, Faisal I.</creator><creator>Price, William E.</creator><creator>Zhang, Jian</creator><creator>Liang, Shuang</creator><creator>Deng, Lijuan</creator><creator>Guo, Wenshan</creator><general>Elsevier Ltd</general><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></search><sort><creationdate>201801</creationdate><title>Effect of hydraulic retention time on the performance of a hybrid moving bed biofilm reactor-membrane bioreactor system for micropollutants removal from municipal wastewater</title><author>Jiang, Qi ; Ngo, Hao H. ; Nghiem, Long D. ; Hai, Faisal I. ; Price, William E. ; Zhang, Jian ; Liang, Shuang ; Deng, Lijuan ; Guo, Wenshan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c453t-83f7bab2340c747a28ae46a0267e394ce614c0370a30dfb4333da15cc101cdd83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Biodegradation, Environmental</topic><topic>Biofilms</topic><topic>Bioreactors</topic><topic>Hydraulic retention time (HRT)</topic><topic>Membrane bioreactor</topic><topic>Membranes, Artificial</topic><topic>Micropollutants removal</topic><topic>Moving bed biofilm reactor</topic><topic>Sponge</topic><topic>Waste Disposal, Fluid</topic><topic>Waste Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jiang, Qi</creatorcontrib><creatorcontrib>Ngo, Hao H.</creatorcontrib><creatorcontrib>Nghiem, Long D.</creatorcontrib><creatorcontrib>Hai, Faisal I.</creatorcontrib><creatorcontrib>Price, William E.</creatorcontrib><creatorcontrib>Zhang, Jian</creatorcontrib><creatorcontrib>Liang, Shuang</creatorcontrib><creatorcontrib>Deng, Lijuan</creatorcontrib><creatorcontrib>Guo, Wenshan</creatorcontrib><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><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jiang, Qi</au><au>Ngo, Hao H.</au><au>Nghiem, Long D.</au><au>Hai, Faisal I.</au><au>Price, William E.</au><au>Zhang, Jian</au><au>Liang, Shuang</au><au>Deng, Lijuan</au><au>Guo, Wenshan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of hydraulic retention time on the performance of a hybrid moving bed biofilm reactor-membrane bioreactor system for micropollutants removal from municipal wastewater</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2018-01</date><risdate>2018</risdate><volume>247</volume><spage>1228</spage><epage>1232</epage><pages>1228-1232</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>[Display omitted]
•Effect of HRT on the performance of a hybrid MBBR-MBR was investigated.•The removal of 22 micropollutants was examined under 4 different HRTs.•18h was the optimal HRT regarding the removal of most selected micropollutants.•Longer HRTs could significantly mitigate membrane fouling.
This study evaluated micropollutants removal and membrane fouling behaviour of a hybrid moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) system at four different hydraulic retention times (HRTs) (24, 18, 12 and 6h). The results revealed that HRT of 18h was the optimal condition regarding the removal of most selected micropollutants. As the primary removal mechanism in the hybrid system was biodegradation, the attached growth pattern was desirable for enriching slow growing bacteria and developing a diversity of biocoenosis. Thus, the efficient removal of micropollutants was obtained. In terms of membrane fouling propensity analysis, a longer HRT (e.g. HRTs of 24 and 18h) could significantly mitigate membrane fouling when compared with the shortest HRT of 6h. Hence, enhanced system performance could be achieved when the MBBR-MBR system was operated at HRT of 18h.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>28958886</pmid><doi>10.1016/j.biortech.2017.09.114</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Biodegradation, Environmental Biofilms Bioreactors Hydraulic retention time (HRT) Membrane bioreactor Membranes, Artificial Micropollutants removal Moving bed biofilm reactor Sponge Waste Disposal, Fluid Waste Water |
title | Effect of hydraulic retention time on the performance of a hybrid moving bed biofilm reactor-membrane bioreactor system for micropollutants removal from municipal wastewater |
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