Enhanced ammonia nitrogen removal using consistent biological regeneration and ammonium exchange of zeolite in modified SBR process
The modified zeo-SBR is recommended for a new nitrogen removal process that has a special function of consistent ammonium exchange and bioregeneration of zeolite-floc. Three sets of sequencing batch reactors, control, zeo-SBR, and modified zeo-SBR were tested to assess nitrogen removal efficiency. T...
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| Veröffentlicht in: | Water research (Oxford) 2004, Vol.38 (2), p.347-354 |
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| description | The modified zeo-SBR is recommended for a new nitrogen removal process that has a special function of consistent ammonium exchange and bioregeneration of zeolite-floc. Three sets of sequencing batch reactors, control, zeo-SBR, and modified zeo-SBR were tested to assess nitrogen removal efficiency. The control reactor consisted of anoxic-fill, aeration-mixing, settling, and decanting/idle phases, meaning that nitrogen removal efficiency was dependent on the decanting volume in a cycle. The zeo-SBR reactor was operated in the same way as the control reactor, except for daily addition of powdered zeolite in the SBR reactor. The operating order sequences in the zeo-SBR were changed in the modified zeo-SBR. Anoxic-fill phase was followed by aeration-mixing phase in the zeo-SBR, while aeration-mixing phase was followed by anoxic-fill phase in the modified zeo-SBR to carry NH
4
+-N over to the next operational cycle and to reduce total nitrogen concentration in the effluent. In the modified zeo-SBR, nitrification and biological regeneration occurred during the initial aeration-mixing phase, while denitrification and ammonium adsorption occurred in the following anoxic-fill phase. The changed operational sequence in the modified zeo-SBR to adapt the ammonium adsorption and biological regeneration of the zeolite-floc could enhance nitrogen removal efficiency. As a result of the continuous operation, the nitrogen removal efficiencies of the control and zeo-SBR were in 68.5–70.9%, based on the 33% of decanting volume for a cycle. The zeo-SBR showed a consistent ammonium exchange and bio-regeneration in the anoxic-fill and aeration-mixing phases, respectively. Meanwhile, the effluent total nitrogen of the modified zeo-SBR showed 50–60
mg N/L through ammonium adsorption of the zeolite-floc when the influent ammonium concentration was 315
mg N/L, indicating the T-N removal efficiency was enhanced over 10% in the same HRT and SRT conditions as those of control and zeo-SBR reactors. The ammonium adsorption capacity was found to be 6–7
mg NH
4
+-N/g FSS that is equivalent to 40
mg NH
4
+-N/L of ammonium nitrogen removal. |
| doi_str_mv | 10.1016/j.watres.2003.09.025 |
| format | Article |
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4
+-N over to the next operational cycle and to reduce total nitrogen concentration in the effluent. In the modified zeo-SBR, nitrification and biological regeneration occurred during the initial aeration-mixing phase, while denitrification and ammonium adsorption occurred in the following anoxic-fill phase. The changed operational sequence in the modified zeo-SBR to adapt the ammonium adsorption and biological regeneration of the zeolite-floc could enhance nitrogen removal efficiency. As a result of the continuous operation, the nitrogen removal efficiencies of the control and zeo-SBR were in 68.5–70.9%, based on the 33% of decanting volume for a cycle. The zeo-SBR showed a consistent ammonium exchange and bio-regeneration in the anoxic-fill and aeration-mixing phases, respectively. Meanwhile, the effluent total nitrogen of the modified zeo-SBR showed 50–60
mg N/L through ammonium adsorption of the zeolite-floc when the influent ammonium concentration was 315
mg N/L, indicating the T-N removal efficiency was enhanced over 10% in the same HRT and SRT conditions as those of control and zeo-SBR reactors. The ammonium adsorption capacity was found to be 6–7
mg NH
4
+-N/g FSS that is equivalent to 40
mg NH
4
+-N/L of ammonium nitrogen removal.</description><identifier>ISSN: 0043-1354</identifier><identifier>EISSN: 1879-2448</identifier><identifier>DOI: 10.1016/j.watres.2003.09.025</identifier><identifier>PMID: 14675646</identifier><identifier>CODEN: WATRAG</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Adsorption ; Ammonia - chemistry ; Ammonia nitrogen ; Ammonium exchange ; Applied sciences ; Biological and medical sciences ; Biological treatment of waters ; Bioreactors ; Bioregeneration ; Biotechnology ; Environment and pollution ; Exact sciences and technology ; Flocculation ; Fundamental and applied biological sciences. Psychology ; Industrial applications and implications. Economical aspects ; Industrial wastewaters ; Nitrogen - isolation & purification ; Pollution ; Waste Disposal, Fluid - methods ; Wastewaters ; Water Pollutants - isolation & purification ; Water treatment and pollution ; Zeolite ; Zeolites - chemistry</subject><ispartof>Water research (Oxford), 2004, Vol.38 (2), p.347-354</ispartof><rights>2003 Elsevier Ltd</rights><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c540t-f22416069a53a829081822351d708355e0eada79b2d5c08aeb59ac1792e41d8c3</citedby><cites>FETCH-LOGICAL-c540t-f22416069a53a829081822351d708355e0eada79b2d5c08aeb59ac1792e41d8c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.watres.2003.09.025$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,4021,27921,27922,27923,45993</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15371410$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14675646$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jung, Jin-Young</creatorcontrib><creatorcontrib>Chung, Yun-Chul</creatorcontrib><creatorcontrib>Shin, Hang-Sik</creatorcontrib><creatorcontrib>Son, Dae-Hee</creatorcontrib><title>Enhanced ammonia nitrogen removal using consistent biological regeneration and ammonium exchange of zeolite in modified SBR process</title><title>Water research (Oxford)</title><addtitle>Water Res</addtitle><description>The modified zeo-SBR is recommended for a new nitrogen removal process that has a special function of consistent ammonium exchange and bioregeneration of zeolite-floc. Three sets of sequencing batch reactors, control, zeo-SBR, and modified zeo-SBR were tested to assess nitrogen removal efficiency. The control reactor consisted of anoxic-fill, aeration-mixing, settling, and decanting/idle phases, meaning that nitrogen removal efficiency was dependent on the decanting volume in a cycle. The zeo-SBR reactor was operated in the same way as the control reactor, except for daily addition of powdered zeolite in the SBR reactor. The operating order sequences in the zeo-SBR were changed in the modified zeo-SBR. Anoxic-fill phase was followed by aeration-mixing phase in the zeo-SBR, while aeration-mixing phase was followed by anoxic-fill phase in the modified zeo-SBR to carry NH
4
+-N over to the next operational cycle and to reduce total nitrogen concentration in the effluent. In the modified zeo-SBR, nitrification and biological regeneration occurred during the initial aeration-mixing phase, while denitrification and ammonium adsorption occurred in the following anoxic-fill phase. The changed operational sequence in the modified zeo-SBR to adapt the ammonium adsorption and biological regeneration of the zeolite-floc could enhance nitrogen removal efficiency. As a result of the continuous operation, the nitrogen removal efficiencies of the control and zeo-SBR were in 68.5–70.9%, based on the 33% of decanting volume for a cycle. The zeo-SBR showed a consistent ammonium exchange and bio-regeneration in the anoxic-fill and aeration-mixing phases, respectively. Meanwhile, the effluent total nitrogen of the modified zeo-SBR showed 50–60
mg N/L through ammonium adsorption of the zeolite-floc when the influent ammonium concentration was 315
mg N/L, indicating the T-N removal efficiency was enhanced over 10% in the same HRT and SRT conditions as those of control and zeo-SBR reactors. The ammonium adsorption capacity was found to be 6–7
mg NH
4
+-N/g FSS that is equivalent to 40
mg NH
4
+-N/L of ammonium nitrogen removal.</description><subject>Adsorption</subject><subject>Ammonia - chemistry</subject><subject>Ammonia nitrogen</subject><subject>Ammonium exchange</subject><subject>Applied sciences</subject><subject>Biological and medical sciences</subject><subject>Biological treatment of waters</subject><subject>Bioreactors</subject><subject>Bioregeneration</subject><subject>Biotechnology</subject><subject>Environment and pollution</subject><subject>Exact sciences and technology</subject><subject>Flocculation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Industrial wastewaters</subject><subject>Nitrogen - isolation & purification</subject><subject>Pollution</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewaters</subject><subject>Water Pollutants - isolation & purification</subject><subject>Water treatment and pollution</subject><subject>Zeolite</subject><subject>Zeolites - chemistry</subject><issn>0043-1354</issn><issn>1879-2448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhiMEotvCP0DgC71lGX_F8QUJqvIhVUKi9Gx5nUnwKrGLnZSPK38cr7KoNzjNwc-8M56nqp5R2FKgzav99rudE-YtA-Bb0Ftg8kG1oa3SNROifVhtAASvKZfipDrNeQ8AjHH9uDqholGyEc2m-n0ZvtrgsCN2mmLwlgQ_pzhgIAmneGdHsmQfBuJiyD7PGGay83GMg3flLWEhMdnZx0Bs-JuyTAR_uBI8IIk9-YVx9DMSH8gUO9_7Mu767Wdym6LDnJ9Uj3o7Znx6rGfVzbvLLxcf6qtP7z9evLmqnRQw1z1jgjbQaCu5bZmGlrblP5J2ClouJQLaziq9Y5100FrcSW0dVZqhoF3r-Fl1vuaWud8WzLOZfHY4jjZgXLKhigmpuPg_KJpWaKoKKFbQpZhzwt7cJj_Z9NNQMAdLZm9WS-ZgyYA2xVJpe37MX3YTdvdNRy0FeHkEbC5n7lNR5PM9J7migkLhXqxcb6OxQyrMzTUDyoECU1rRQrxeCSyHvfOYTHYeD8J9QjebLvp_7_oHHdi9FQ</recordid><startdate>2004</startdate><enddate>2004</enddate><creator>Jung, Jin-Young</creator><creator>Chung, Yun-Chul</creator><creator>Shin, Hang-Sik</creator><creator>Son, Dae-Hee</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>FBQ</scope><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>7QH</scope><scope>7UA</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>2004</creationdate><title>Enhanced ammonia nitrogen removal using consistent biological regeneration and ammonium exchange of zeolite in modified SBR process</title><author>Jung, Jin-Young ; Chung, Yun-Chul ; Shin, Hang-Sik ; Son, Dae-Hee</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c540t-f22416069a53a829081822351d708355e0eada79b2d5c08aeb59ac1792e41d8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Adsorption</topic><topic>Ammonia - chemistry</topic><topic>Ammonia nitrogen</topic><topic>Ammonium exchange</topic><topic>Applied sciences</topic><topic>Biological and medical sciences</topic><topic>Biological treatment of waters</topic><topic>Bioreactors</topic><topic>Bioregeneration</topic><topic>Biotechnology</topic><topic>Environment and pollution</topic><topic>Exact sciences and technology</topic><topic>Flocculation</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>Industrial wastewaters</topic><topic>Nitrogen - isolation & purification</topic><topic>Pollution</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Wastewaters</topic><topic>Water Pollutants - isolation & purification</topic><topic>Water treatment and pollution</topic><topic>Zeolite</topic><topic>Zeolites - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jung, Jin-Young</creatorcontrib><creatorcontrib>Chung, Yun-Chul</creatorcontrib><creatorcontrib>Shin, Hang-Sik</creatorcontrib><creatorcontrib>Son, Dae-Hee</creatorcontrib><collection>AGRIS</collection><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>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Water research (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jung, Jin-Young</au><au>Chung, Yun-Chul</au><au>Shin, Hang-Sik</au><au>Son, Dae-Hee</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced ammonia nitrogen removal using consistent biological regeneration and ammonium exchange of zeolite in modified SBR process</atitle><jtitle>Water research (Oxford)</jtitle><addtitle>Water Res</addtitle><date>2004</date><risdate>2004</risdate><volume>38</volume><issue>2</issue><spage>347</spage><epage>354</epage><pages>347-354</pages><issn>0043-1354</issn><eissn>1879-2448</eissn><coden>WATRAG</coden><abstract>The modified zeo-SBR is recommended for a new nitrogen removal process that has a special function of consistent ammonium exchange and bioregeneration of zeolite-floc. Three sets of sequencing batch reactors, control, zeo-SBR, and modified zeo-SBR were tested to assess nitrogen removal efficiency. The control reactor consisted of anoxic-fill, aeration-mixing, settling, and decanting/idle phases, meaning that nitrogen removal efficiency was dependent on the decanting volume in a cycle. The zeo-SBR reactor was operated in the same way as the control reactor, except for daily addition of powdered zeolite in the SBR reactor. The operating order sequences in the zeo-SBR were changed in the modified zeo-SBR. Anoxic-fill phase was followed by aeration-mixing phase in the zeo-SBR, while aeration-mixing phase was followed by anoxic-fill phase in the modified zeo-SBR to carry NH
4
+-N over to the next operational cycle and to reduce total nitrogen concentration in the effluent. In the modified zeo-SBR, nitrification and biological regeneration occurred during the initial aeration-mixing phase, while denitrification and ammonium adsorption occurred in the following anoxic-fill phase. The changed operational sequence in the modified zeo-SBR to adapt the ammonium adsorption and biological regeneration of the zeolite-floc could enhance nitrogen removal efficiency. As a result of the continuous operation, the nitrogen removal efficiencies of the control and zeo-SBR were in 68.5–70.9%, based on the 33% of decanting volume for a cycle. The zeo-SBR showed a consistent ammonium exchange and bio-regeneration in the anoxic-fill and aeration-mixing phases, respectively. Meanwhile, the effluent total nitrogen of the modified zeo-SBR showed 50–60
mg N/L through ammonium adsorption of the zeolite-floc when the influent ammonium concentration was 315
mg N/L, indicating the T-N removal efficiency was enhanced over 10% in the same HRT and SRT conditions as those of control and zeo-SBR reactors. The ammonium adsorption capacity was found to be 6–7
mg NH
4
+-N/g FSS that is equivalent to 40
mg NH
4
+-N/L of ammonium nitrogen removal.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>14675646</pmid><doi>10.1016/j.watres.2003.09.025</doi><tpages>8</tpages></addata></record> |
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| ispartof | Water research (Oxford), 2004, Vol.38 (2), p.347-354 |
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| subjects | Adsorption Ammonia - chemistry Ammonia nitrogen Ammonium exchange Applied sciences Biological and medical sciences Biological treatment of waters Bioreactors Bioregeneration Biotechnology Environment and pollution Exact sciences and technology Flocculation Fundamental and applied biological sciences. Psychology Industrial applications and implications. Economical aspects Industrial wastewaters Nitrogen - isolation & purification Pollution Waste Disposal, Fluid - methods Wastewaters Water Pollutants - isolation & purification Water treatment and pollution Zeolite Zeolites - chemistry |
| title | Enhanced ammonia nitrogen removal using consistent biological regeneration and ammonium exchange of zeolite in modified SBR process |
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