Study on the effectiveness of an independent biological phosphorus removal system based on immobilized biological fillers nitrogen removal system in municipal wastewater
This study focused on the problem that simultaneous nitrogen and phosphorus removal cannot be achieved in current urban sewage treatment systems. To address this, a pilot system was developed to first use immobilized biologically active fillers to remove nitrogen, and then use activated sludge to in...
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| Veröffentlicht in: | Process safety and environmental protection 2021-12, Vol.156, p.17-28 |
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| container_title | Process safety and environmental protection |
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| creator | Liu, Xuyan Yang, Hong Wang, Shaolun Fang, Xiaoyue Wang, Xiaotong Bai, Yongsheng Su, Bojun Shi, Luyuan |
| description | This study focused on the problem that simultaneous nitrogen and phosphorus removal cannot be achieved in current urban sewage treatment systems. To address this, a pilot system was developed to first use immobilized biologically active fillers to remove nitrogen, and then use activated sludge to independently remove phosphorus. The goal was to maximize the effectiveness of biological phosphorus removal. This study mainly aimed at analyzing the post-independent phosphorus removal characteristics and mechanisms; the composition of the phosphorus removing bacteria; and the contribution rate of the system. The effluent PO43--P of the system remained stable at 0.15–0.2 mgL−1, with the phosphorus removal anaerobic tank maintaining a "micro-release" state. When the hydraulic retention time (HRT) of the aerobic phosphorus removal tank was reduced to 1 h, the contribution rate of the aerobic phosphorus removal bacteria decreased from 28.42% to 16.68%; the contribution rate of the denitrifying phosphorus removal bacteria increased from 72.58% to 83.32%; and the abundance of the dominant bacteria Dechloromonas and Thaurea significantly increased. The phosphorus removal system provides a new approach for deep phosphorus removal in main municipal wastewater systems.
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| doi_str_mv | 10.1016/j.psep.2021.09.017 |
| format | Article |
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[Display omitted]</description><identifier>ISSN: 0957-5820</identifier><identifier>EISSN: 1744-3598</identifier><identifier>DOI: 10.1016/j.psep.2021.09.017</identifier><language>eng</language><publisher>Rugby: Elsevier B.V</publisher><subject>Activated sludge ; Bacteria ; Biological activity ; Biological effects ; Fillers ; Hydraulic retention time ; Immobilized filler ; Micro-release state ; Microbial community structure ; Municipal wastewater ; Nitrogen ; Nitrogen removal ; Phosphorus ; Phosphorus removal ; Phosphorus removal contribution ; Post-independent biological phosphorus removal ; Retention time ; Sewage treatment ; Wastewater ; Wastewater treatment</subject><ispartof>Process safety and environmental protection, 2021-12, Vol.156, p.17-28</ispartof><rights>2021 Institution of Chemical Engineers</rights><rights>Copyright Elsevier Science Ltd. Dec 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-162b78bed684dc86bbc059a19c1520856faeab9bee9cc55347952aa85e89d5183</citedby><cites>FETCH-LOGICAL-c328t-162b78bed684dc86bbc059a19c1520856faeab9bee9cc55347952aa85e89d5183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0957582021004833$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids></links><search><creatorcontrib>Liu, Xuyan</creatorcontrib><creatorcontrib>Yang, Hong</creatorcontrib><creatorcontrib>Wang, Shaolun</creatorcontrib><creatorcontrib>Fang, Xiaoyue</creatorcontrib><creatorcontrib>Wang, Xiaotong</creatorcontrib><creatorcontrib>Bai, Yongsheng</creatorcontrib><creatorcontrib>Su, Bojun</creatorcontrib><creatorcontrib>Shi, Luyuan</creatorcontrib><title>Study on the effectiveness of an independent biological phosphorus removal system based on immobilized biological fillers nitrogen removal system in municipal wastewater</title><title>Process safety and environmental protection</title><description>This study focused on the problem that simultaneous nitrogen and phosphorus removal cannot be achieved in current urban sewage treatment systems. To address this, a pilot system was developed to first use immobilized biologically active fillers to remove nitrogen, and then use activated sludge to independently remove phosphorus. The goal was to maximize the effectiveness of biological phosphorus removal. This study mainly aimed at analyzing the post-independent phosphorus removal characteristics and mechanisms; the composition of the phosphorus removing bacteria; and the contribution rate of the system. The effluent PO43--P of the system remained stable at 0.15–0.2 mgL−1, with the phosphorus removal anaerobic tank maintaining a "micro-release" state. When the hydraulic retention time (HRT) of the aerobic phosphorus removal tank was reduced to 1 h, the contribution rate of the aerobic phosphorus removal bacteria decreased from 28.42% to 16.68%; the contribution rate of the denitrifying phosphorus removal bacteria increased from 72.58% to 83.32%; and the abundance of the dominant bacteria Dechloromonas and Thaurea significantly increased. The phosphorus removal system provides a new approach for deep phosphorus removal in main municipal wastewater systems.
[Display omitted]</description><subject>Activated sludge</subject><subject>Bacteria</subject><subject>Biological activity</subject><subject>Biological effects</subject><subject>Fillers</subject><subject>Hydraulic retention time</subject><subject>Immobilized filler</subject><subject>Micro-release state</subject><subject>Microbial community structure</subject><subject>Municipal wastewater</subject><subject>Nitrogen</subject><subject>Nitrogen removal</subject><subject>Phosphorus</subject><subject>Phosphorus removal</subject><subject>Phosphorus removal contribution</subject><subject>Post-independent biological phosphorus removal</subject><subject>Retention time</subject><subject>Sewage treatment</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><issn>0957-5820</issn><issn>1744-3598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kcGKFDEQhoMoOK6-gKeA526TzKQ7AS-y6Cos7EE9hyRdvVtDd9Im6VnGN_ItTTMeFg8eUiE_9f0V6ifkLWctZ7x7f2yXDEsrmOAt0y3j_TOy4_3h0OylVs_JjmnZN1IJ9pK8yvnIGOOi5zvy-1tZhzONgZYHoDCO4AueIEDONI7UBophgAVqCYU6jFO8R28nujzEXE9aM00wx1OV8jkXmKmzGYbNEec5OpzwV30-IUecJkiZBiwp3kP4l8dA5zWgx6Vqj7Zqj7ZAek1ejHbK8ObvfUV-fP70_fpLc3t38_X6423j90KVhnfC9crB0KnD4FXnnGdSW649l4Ip2Y0WrNMOQHsv5f7QaymsVRKUHiRX-yvy7uK7pPhzhVzMMa4p1JFGdFx3Pedi6xKXLp9izglGsyScbTobzswWiTmaLRKzRWKYNjWSCn24QFD_f0JIJnuE4GHAVPduhoj_w_8ADVea0w</recordid><startdate>202112</startdate><enddate>202112</enddate><creator>Liu, Xuyan</creator><creator>Yang, Hong</creator><creator>Wang, Shaolun</creator><creator>Fang, Xiaoyue</creator><creator>Wang, Xiaotong</creator><creator>Bai, Yongsheng</creator><creator>Su, Bojun</creator><creator>Shi, Luyuan</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TB</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>202112</creationdate><title>Study on the effectiveness of an independent biological phosphorus removal system based on immobilized biological fillers nitrogen removal system in municipal wastewater</title><author>Liu, Xuyan ; Yang, Hong ; Wang, Shaolun ; Fang, Xiaoyue ; Wang, Xiaotong ; Bai, Yongsheng ; Su, Bojun ; Shi, Luyuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-162b78bed684dc86bbc059a19c1520856faeab9bee9cc55347952aa85e89d5183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Activated sludge</topic><topic>Bacteria</topic><topic>Biological activity</topic><topic>Biological effects</topic><topic>Fillers</topic><topic>Hydraulic retention time</topic><topic>Immobilized filler</topic><topic>Micro-release state</topic><topic>Microbial community structure</topic><topic>Municipal wastewater</topic><topic>Nitrogen</topic><topic>Nitrogen removal</topic><topic>Phosphorus</topic><topic>Phosphorus removal</topic><topic>Phosphorus removal contribution</topic><topic>Post-independent biological phosphorus removal</topic><topic>Retention time</topic><topic>Sewage treatment</topic><topic>Wastewater</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Xuyan</creatorcontrib><creatorcontrib>Yang, Hong</creatorcontrib><creatorcontrib>Wang, Shaolun</creatorcontrib><creatorcontrib>Fang, Xiaoyue</creatorcontrib><creatorcontrib>Wang, Xiaotong</creatorcontrib><creatorcontrib>Bai, Yongsheng</creatorcontrib><creatorcontrib>Su, Bojun</creatorcontrib><creatorcontrib>Shi, Luyuan</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Process safety and environmental protection</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Xuyan</au><au>Yang, Hong</au><au>Wang, Shaolun</au><au>Fang, Xiaoyue</au><au>Wang, Xiaotong</au><au>Bai, Yongsheng</au><au>Su, Bojun</au><au>Shi, Luyuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study on the effectiveness of an independent biological phosphorus removal system based on immobilized biological fillers nitrogen removal system in municipal wastewater</atitle><jtitle>Process safety and environmental protection</jtitle><date>2021-12</date><risdate>2021</risdate><volume>156</volume><spage>17</spage><epage>28</epage><pages>17-28</pages><issn>0957-5820</issn><eissn>1744-3598</eissn><abstract>This study focused on the problem that simultaneous nitrogen and phosphorus removal cannot be achieved in current urban sewage treatment systems. To address this, a pilot system was developed to first use immobilized biologically active fillers to remove nitrogen, and then use activated sludge to independently remove phosphorus. The goal was to maximize the effectiveness of biological phosphorus removal. This study mainly aimed at analyzing the post-independent phosphorus removal characteristics and mechanisms; the composition of the phosphorus removing bacteria; and the contribution rate of the system. The effluent PO43--P of the system remained stable at 0.15–0.2 mgL−1, with the phosphorus removal anaerobic tank maintaining a "micro-release" state. When the hydraulic retention time (HRT) of the aerobic phosphorus removal tank was reduced to 1 h, the contribution rate of the aerobic phosphorus removal bacteria decreased from 28.42% to 16.68%; the contribution rate of the denitrifying phosphorus removal bacteria increased from 72.58% to 83.32%; and the abundance of the dominant bacteria Dechloromonas and Thaurea significantly increased. The phosphorus removal system provides a new approach for deep phosphorus removal in main municipal wastewater systems.
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| ispartof | Process safety and environmental protection, 2021-12, Vol.156, p.17-28 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Activated sludge Bacteria Biological activity Biological effects Fillers Hydraulic retention time Immobilized filler Micro-release state Microbial community structure Municipal wastewater Nitrogen Nitrogen removal Phosphorus Phosphorus removal Phosphorus removal contribution Post-independent biological phosphorus removal Retention time Sewage treatment Wastewater Wastewater treatment |
| title | Study on the effectiveness of an independent biological phosphorus removal system based on immobilized biological fillers nitrogen removal system in municipal wastewater |
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