Cause and pre-alarm control of bulking and foaming by Microthrix parvicella—A case study in triple oxidation ditch at a wastewater treatment plant
The cause and control of foaming and bulking in triple oxidation ditch at a wastewater treatment plant (WWTP) were investigated. The results showed that the foaming and bulking was mainly caused by the excessive propagation of Microthrix parvicella, and mostly occurred in the cold winter and spring....
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| Veröffentlicht in: | Journal of hazardous materials 2007-05, Vol.143 (1), p.184-191 |
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| creator | Xie, B. Dai, X.-C. Xu, Y.-T. |
| description | The cause and control of foaming and bulking in triple oxidation ditch at a wastewater treatment plant (WWTP) were investigated. The results showed that the foaming and bulking was mainly caused by the excessive propagation of
Microthrix parvicella, and mostly occurred in the cold winter and spring. Batch and continuous flow experiments indicated that biological techniques such as reducing sludge retention time (SRT) and increasing F/M ratio, chemical methods such as addition of chlorine (NaOCl), quaternary ammonium salt (QAS), or cationic polyacrylamide flocculants (PAM), polyaluminum salt (PAC) could decrease Sludge Volume Index (SVI) and control foaming and bulking at different levels. In practical application, the shorter SRT was effective to control foaming and bulking in initial stage, although it took longer time. Addition of 10
g
Cl
kg
MLSS
d
−1 could gradually change the activated sludge with serious foaming and bulking to normal state within a week. Pre-alert control strategies should be established for the control of filamentous foaming and bulking. |
| doi_str_mv | 10.1016/j.jhazmat.2006.09.006 |
| format | Article |
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Microthrix parvicella, and mostly occurred in the cold winter and spring. Batch and continuous flow experiments indicated that biological techniques such as reducing sludge retention time (SRT) and increasing F/M ratio, chemical methods such as addition of chlorine (NaOCl), quaternary ammonium salt (QAS), or cationic polyacrylamide flocculants (PAM), polyaluminum salt (PAC) could decrease Sludge Volume Index (SVI) and control foaming and bulking at different levels. In practical application, the shorter SRT was effective to control foaming and bulking in initial stage, although it took longer time. Addition of 10
g
Cl
kg
MLSS
d
−1 could gradually change the activated sludge with serious foaming and bulking to normal state within a week. Pre-alert control strategies should be established for the control of filamentous foaming and bulking.</description><identifier>ISSN: 0304-3894</identifier><identifier>EISSN: 1873-3336</identifier><identifier>DOI: 10.1016/j.jhazmat.2006.09.006</identifier><identifier>PMID: 17049735</identifier><identifier>CODEN: JHMAD9</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Actinobacteria ; Anti-Bacterial Agents ; Applied sciences ; Chlorine ; Exact sciences and technology ; Filamentous bacteria ; Flocculation ; Foaming and bulking ; General purification processes ; Microthrix parvicella ; Pollution ; Pre-alarm control ; Sewage - microbiology ; Sewerage works: sewers, sewage treatment plants, outfalls ; Time Factors ; Triple oxidation ditch ; Wastewaters ; Water Purification ; Water treatment and pollution</subject><ispartof>Journal of hazardous materials, 2007-05, Vol.143 (1), p.184-191</ispartof><rights>2006 Elsevier B.V.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c486t-6be40690dd3ace2cc9c7145c3e8c495d0c3aaf0fd4b2f14898f74cdbbda789b63</citedby><cites>FETCH-LOGICAL-c486t-6be40690dd3ace2cc9c7145c3e8c495d0c3aaf0fd4b2f14898f74cdbbda789b63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jhazmat.2006.09.006$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18700982$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17049735$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Xie, B.</creatorcontrib><creatorcontrib>Dai, X.-C.</creatorcontrib><creatorcontrib>Xu, Y.-T.</creatorcontrib><title>Cause and pre-alarm control of bulking and foaming by Microthrix parvicella—A case study in triple oxidation ditch at a wastewater treatment plant</title><title>Journal of hazardous materials</title><addtitle>J Hazard Mater</addtitle><description>The cause and control of foaming and bulking in triple oxidation ditch at a wastewater treatment plant (WWTP) were investigated. The results showed that the foaming and bulking was mainly caused by the excessive propagation of
Microthrix parvicella, and mostly occurred in the cold winter and spring. Batch and continuous flow experiments indicated that biological techniques such as reducing sludge retention time (SRT) and increasing F/M ratio, chemical methods such as addition of chlorine (NaOCl), quaternary ammonium salt (QAS), or cationic polyacrylamide flocculants (PAM), polyaluminum salt (PAC) could decrease Sludge Volume Index (SVI) and control foaming and bulking at different levels. In practical application, the shorter SRT was effective to control foaming and bulking in initial stage, although it took longer time. Addition of 10
g
Cl
kg
MLSS
d
−1 could gradually change the activated sludge with serious foaming and bulking to normal state within a week. Pre-alert control strategies should be established for the control of filamentous foaming and bulking.</description><subject>Actinobacteria</subject><subject>Anti-Bacterial Agents</subject><subject>Applied sciences</subject><subject>Chlorine</subject><subject>Exact sciences and technology</subject><subject>Filamentous bacteria</subject><subject>Flocculation</subject><subject>Foaming and bulking</subject><subject>General purification processes</subject><subject>Microthrix parvicella</subject><subject>Pollution</subject><subject>Pre-alarm control</subject><subject>Sewage - microbiology</subject><subject>Sewerage works: sewers, sewage treatment plants, outfalls</subject><subject>Time Factors</subject><subject>Triple oxidation ditch</subject><subject>Wastewaters</subject><subject>Water Purification</subject><subject>Water treatment and pollution</subject><issn>0304-3894</issn><issn>1873-3336</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0c1u1DAQB_AIgehSeASQL3BLmMROYp9QtWoBqYgLnK2JPWG95Avbabuc-hB9Qp6EbHelHvc0Pvxm7PE_Sd7mkOWQVx-32XaDf3uMWQFQZaCypTxLVrmseco5r54nK-AgUi6VOEtehbAFgLwuxcvkLK9BqJqXq-RhjXMghoNlk6cUO_Q9M-MQ_dixsWXN3P12w69H0I7Y78_Njn1zxo9x490dm9DfOENdh__uHy6YwWVciLPdMTew6N3UERvvnMXoxoFZF82GYWTIbjFEusVIfmGEsachsqnDIb5OXrTYBXpzrOfJz6vLH-sv6fX3z1_XF9epEbKKadWQgEqBtRwNFcYoU-eiNJykEaq0YDhiC60VTdHmQirZ1sLYprFYS9VU_Dz5cJg7-fHPTCHq3oXHVQYa56ALJYuq5OokzFVVSwB-GgpZFFWxh-UBLv8YgqdWT9716Hc6B70PWG_1MWC9D1iD0ktZ-t4dL5ibnuxT1zHRBbw_AgwGu9bjYFx4crIGWNZa3KeDo-WDbxx5HYyjwZB1nkzUdnQnnvIfpbLLAA</recordid><startdate>20070508</startdate><enddate>20070508</enddate><creator>Xie, B.</creator><creator>Dai, X.-C.</creator><creator>Xu, Y.-T.</creator><general>Elsevier B.V</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>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7U7</scope><scope>7UA</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20070508</creationdate><title>Cause and pre-alarm control of bulking and foaming by Microthrix parvicella—A case study in triple oxidation ditch at a wastewater treatment plant</title><author>Xie, B. ; Dai, X.-C. ; Xu, Y.-T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c486t-6be40690dd3ace2cc9c7145c3e8c495d0c3aaf0fd4b2f14898f74cdbbda789b63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Actinobacteria</topic><topic>Anti-Bacterial Agents</topic><topic>Applied sciences</topic><topic>Chlorine</topic><topic>Exact sciences and technology</topic><topic>Filamentous bacteria</topic><topic>Flocculation</topic><topic>Foaming and bulking</topic><topic>General purification processes</topic><topic>Microthrix parvicella</topic><topic>Pollution</topic><topic>Pre-alarm control</topic><topic>Sewage - microbiology</topic><topic>Sewerage works: sewers, sewage treatment plants, outfalls</topic><topic>Time Factors</topic><topic>Triple oxidation ditch</topic><topic>Wastewaters</topic><topic>Water Purification</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xie, B.</creatorcontrib><creatorcontrib>Dai, X.-C.</creatorcontrib><creatorcontrib>Xu, Y.-T.</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>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of hazardous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xie, B.</au><au>Dai, X.-C.</au><au>Xu, Y.-T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cause and pre-alarm control of bulking and foaming by Microthrix parvicella—A case study in triple oxidation ditch at a wastewater treatment plant</atitle><jtitle>Journal of hazardous materials</jtitle><addtitle>J Hazard Mater</addtitle><date>2007-05-08</date><risdate>2007</risdate><volume>143</volume><issue>1</issue><spage>184</spage><epage>191</epage><pages>184-191</pages><issn>0304-3894</issn><eissn>1873-3336</eissn><coden>JHMAD9</coden><abstract>The cause and control of foaming and bulking in triple oxidation ditch at a wastewater treatment plant (WWTP) were investigated. The results showed that the foaming and bulking was mainly caused by the excessive propagation of
Microthrix parvicella, and mostly occurred in the cold winter and spring. Batch and continuous flow experiments indicated that biological techniques such as reducing sludge retention time (SRT) and increasing F/M ratio, chemical methods such as addition of chlorine (NaOCl), quaternary ammonium salt (QAS), or cationic polyacrylamide flocculants (PAM), polyaluminum salt (PAC) could decrease Sludge Volume Index (SVI) and control foaming and bulking at different levels. In practical application, the shorter SRT was effective to control foaming and bulking in initial stage, although it took longer time. Addition of 10
g
Cl
kg
MLSS
d
−1 could gradually change the activated sludge with serious foaming and bulking to normal state within a week. Pre-alert control strategies should be established for the control of filamentous foaming and bulking.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>17049735</pmid><doi>10.1016/j.jhazmat.2006.09.006</doi><tpages>8</tpages></addata></record> |
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| identifier | ISSN: 0304-3894 |
| ispartof | Journal of hazardous materials, 2007-05, Vol.143 (1), p.184-191 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Actinobacteria Anti-Bacterial Agents Applied sciences Chlorine Exact sciences and technology Filamentous bacteria Flocculation Foaming and bulking General purification processes Microthrix parvicella Pollution Pre-alarm control Sewage - microbiology Sewerage works: sewers, sewage treatment plants, outfalls Time Factors Triple oxidation ditch Wastewaters Water Purification Water treatment and pollution |
| title | Cause and pre-alarm control of bulking and foaming by Microthrix parvicella—A case study in triple oxidation ditch at a wastewater treatment plant |
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