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Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria
A pilot-scale investigation of membrane-based aerobic digestion system dominated by endospore-forming bacteria was evaluated as one of the potential sludge treatment processes (STP). Most of the organic matter in the sludge was removed (90.1%) by the particular bacteria in the STP, which consisted o...
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Published in: | Chemosphere (Oxford) 2017-11, Vol.186, p.202-208 |
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creator | Seo, Kyu Won Choi, Yong-Su Gu, Man Bock Kwon, Eilhann E. Tsang, Yiu Fai Rinklebe, Jörg Park, Chanhyuk |
description | A pilot-scale investigation of membrane-based aerobic digestion system dominated by endospore-forming bacteria was evaluated as one of the potential sludge treatment processes (STP). Most of the organic matter in the sludge was removed (90.1%) by the particular bacteria in the STP, which consisted of mixed liquor suspended solid (MLSS) contact reactor (MCR), MLSS oxidation reactor (MOR), and membrane bioreactor (MBR). The sludge was accumulated in the MBR without wasting, and then the effluent in STP was fed into the first step in water resource recovery facility (WRRF). According to the analysis of microbial communities in all reactors, various Bacillus species were present in the STP, mainly due to their intrinsic resistance to the extreme conditions. As the surviving Bacillus species might consume degraded microorganisms for their growth, these endospore-forming bacteria-based STP could be suitable for the sludge reduction when they operated for a long time.
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•A pilot-scale sludge treatment process was developed and investigated.•Membrane-based aerobic digestion system could accumulate the sludge.•90% of sludge reduction was achieved in sludge treatment process.•Bacillus species was dominant and influenced on the sludge reduction.•Endospore-forming bacteria-based process could be suitable for sludge reduction. |
doi_str_mv | 10.1016/j.chemosphere.2017.07.150 |
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[Display omitted]
•A pilot-scale sludge treatment process was developed and investigated.•Membrane-based aerobic digestion system could accumulate the sludge.•90% of sludge reduction was achieved in sludge treatment process.•Bacillus species was dominant and influenced on the sludge reduction.•Endospore-forming bacteria-based process could be suitable for sludge reduction.</description><identifier>ISSN: 0045-6535</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2017.07.150</identifier><identifier>PMID: 28779595</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Aerobic digestion ; Aerobiosis ; Bacillus ; Bioreactors - microbiology ; Endospore-forming bacteria ; Endospore-Forming Bacteria - physiology ; Pilot Projects ; Sewage - microbiology ; Sewage sludge ; Sludge treatment ; Waste Disposal, Fluid - methods</subject><ispartof>Chemosphere (Oxford), 2017-11, Vol.186, p.202-208</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright © 2017 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c377t-2c0cbd3978ad0e71286bfa6d5ec11035a0cb31db926f59a07eb19ef9ab892bee3</citedby><cites>FETCH-LOGICAL-c377t-2c0cbd3978ad0e71286bfa6d5ec11035a0cb31db926f59a07eb19ef9ab892bee3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28779595$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Seo, Kyu Won</creatorcontrib><creatorcontrib>Choi, Yong-Su</creatorcontrib><creatorcontrib>Gu, Man Bock</creatorcontrib><creatorcontrib>Kwon, Eilhann E.</creatorcontrib><creatorcontrib>Tsang, Yiu Fai</creatorcontrib><creatorcontrib>Rinklebe, Jörg</creatorcontrib><creatorcontrib>Park, Chanhyuk</creatorcontrib><title>Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>A pilot-scale investigation of membrane-based aerobic digestion system dominated by endospore-forming bacteria was evaluated as one of the potential sludge treatment processes (STP). Most of the organic matter in the sludge was removed (90.1%) by the particular bacteria in the STP, which consisted of mixed liquor suspended solid (MLSS) contact reactor (MCR), MLSS oxidation reactor (MOR), and membrane bioreactor (MBR). The sludge was accumulated in the MBR without wasting, and then the effluent in STP was fed into the first step in water resource recovery facility (WRRF). According to the analysis of microbial communities in all reactors, various Bacillus species were present in the STP, mainly due to their intrinsic resistance to the extreme conditions. As the surviving Bacillus species might consume degraded microorganisms for their growth, these endospore-forming bacteria-based STP could be suitable for the sludge reduction when they operated for a long time.
[Display omitted]
•A pilot-scale sludge treatment process was developed and investigated.•Membrane-based aerobic digestion system could accumulate the sludge.•90% of sludge reduction was achieved in sludge treatment process.•Bacillus species was dominant and influenced on the sludge reduction.•Endospore-forming bacteria-based process could be suitable for sludge reduction.</description><subject>Aerobic digestion</subject><subject>Aerobiosis</subject><subject>Bacillus</subject><subject>Bioreactors - microbiology</subject><subject>Endospore-forming bacteria</subject><subject>Endospore-Forming Bacteria - physiology</subject><subject>Pilot Projects</subject><subject>Sewage - microbiology</subject><subject>Sewage sludge</subject><subject>Sludge treatment</subject><subject>Waste Disposal, Fluid - methods</subject><issn>0045-6535</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNkMtu2zAQRYkiQe2k_YWC3WUjlZRKUVwWRpIGMNAukjXBx8geQxJdUnKQvw9du0GXWREYnjuPQ8hXzkrOePNtV7otDCHttxChrBiXJZMlF-wDWfJWqoJXqr0gS8a-i6IRtViQq5R2jOWwUB_JomqlVEKJJcHf2IepSM70QHE8QJpwYyYMIw0dTf3sN0Aj-Nn9reFIDcRg0VGPmyOci-klTTDQZ5y2FEaf9woRii7EAccNtcZNENF8Iped6RN8Pr_X5Onu9nH1s1j_un9Y_VgXrpZyKirHnPW1kq3xDCSv2sZ2pvECHOesFiZ_19xbVTWdUIZJsFxBp4xtVWUB6mtyc-q7j-HPnFfUAyYHfW9GCHPSPCebfD_jGVUn1MWQUoRO7yMOJr5ozvTRtN7p_0zro2nNpM6mc_bLecxsB_BvyX9qM7A6AZCPPSBEnRzC6MBjBDdpH_AdY14BtcWZCA</recordid><startdate>20171101</startdate><enddate>20171101</enddate><creator>Seo, Kyu Won</creator><creator>Choi, Yong-Su</creator><creator>Gu, Man Bock</creator><creator>Kwon, Eilhann E.</creator><creator>Tsang, Yiu Fai</creator><creator>Rinklebe, Jörg</creator><creator>Park, Chanhyuk</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>20171101</creationdate><title>Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria</title><author>Seo, Kyu Won ; Choi, Yong-Su ; Gu, Man Bock ; Kwon, Eilhann E. ; Tsang, Yiu Fai ; Rinklebe, Jörg ; Park, Chanhyuk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c377t-2c0cbd3978ad0e71286bfa6d5ec11035a0cb31db926f59a07eb19ef9ab892bee3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Aerobic digestion</topic><topic>Aerobiosis</topic><topic>Bacillus</topic><topic>Bioreactors - microbiology</topic><topic>Endospore-forming bacteria</topic><topic>Endospore-Forming Bacteria - physiology</topic><topic>Pilot Projects</topic><topic>Sewage - microbiology</topic><topic>Sewage sludge</topic><topic>Sludge treatment</topic><topic>Waste Disposal, Fluid - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seo, Kyu Won</creatorcontrib><creatorcontrib>Choi, Yong-Su</creatorcontrib><creatorcontrib>Gu, Man Bock</creatorcontrib><creatorcontrib>Kwon, Eilhann E.</creatorcontrib><creatorcontrib>Tsang, Yiu Fai</creatorcontrib><creatorcontrib>Rinklebe, Jörg</creatorcontrib><creatorcontrib>Park, Chanhyuk</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>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seo, Kyu Won</au><au>Choi, Yong-Su</au><au>Gu, Man Bock</au><au>Kwon, Eilhann E.</au><au>Tsang, Yiu Fai</au><au>Rinklebe, Jörg</au><au>Park, Chanhyuk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2017-11-01</date><risdate>2017</risdate><volume>186</volume><spage>202</spage><epage>208</epage><pages>202-208</pages><issn>0045-6535</issn><eissn>1879-1298</eissn><abstract>A pilot-scale investigation of membrane-based aerobic digestion system dominated by endospore-forming bacteria was evaluated as one of the potential sludge treatment processes (STP). Most of the organic matter in the sludge was removed (90.1%) by the particular bacteria in the STP, which consisted of mixed liquor suspended solid (MLSS) contact reactor (MCR), MLSS oxidation reactor (MOR), and membrane bioreactor (MBR). The sludge was accumulated in the MBR without wasting, and then the effluent in STP was fed into the first step in water resource recovery facility (WRRF). According to the analysis of microbial communities in all reactors, various Bacillus species were present in the STP, mainly due to their intrinsic resistance to the extreme conditions. As the surviving Bacillus species might consume degraded microorganisms for their growth, these endospore-forming bacteria-based STP could be suitable for the sludge reduction when they operated for a long time.
[Display omitted]
•A pilot-scale sludge treatment process was developed and investigated.•Membrane-based aerobic digestion system could accumulate the sludge.•90% of sludge reduction was achieved in sludge treatment process.•Bacillus species was dominant and influenced on the sludge reduction.•Endospore-forming bacteria-based process could be suitable for sludge reduction.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>28779595</pmid><doi>10.1016/j.chemosphere.2017.07.150</doi><tpages>7</tpages></addata></record> |
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subjects | Aerobic digestion Aerobiosis Bacillus Bioreactors - microbiology Endospore-forming bacteria Endospore-Forming Bacteria - physiology Pilot Projects Sewage - microbiology Sewage sludge Sludge treatment Waste Disposal, Fluid - methods |
title | Pilot-scale investigation of sludge reduction in aerobic digestion system with endospore-forming bacteria |
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