Importance of the ammonia volatilization rates in shallow maturation ponds treating UASB reactor effluent
This study aimed at determining the influence of ammonia volatilization on nitrogen removal in polishing (maturation) ponds treating sanitary effluent from upflow anaerobic sludge blanket (UASB) reactors in the city of Belo Horizonte, Brazil. An apparatus for the capture and absorption of volatilize...
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| Veröffentlicht in: | Water science and technology 2012-01, Vol.66 (6), p.1239-1246 |
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| creator | de Assunção, Fernando Augusto Lopes von Sperling, Marcos |
| description | This study aimed at determining the influence of ammonia volatilization on nitrogen removal in polishing (maturation) ponds treating sanitary effluent from upflow anaerobic sludge blanket (UASB) reactors in the city of Belo Horizonte, Brazil. An apparatus for the capture and absorption of volatilized ammonia in three polishing ponds in series was installed. Volatilized ammonia was captured by a chamber on the surface of the ponds and dissolved in boric acid solution, in order to estimate the amount of ammonia per unit surface area of each pond. Low rates of volatilization, below 0.2 kg/ha.d, in about 75% of samples from all the ponds, were observed. The mass balance of ammonia nitrogen of the ponds showed that the volatilization represented only about 2% of the total removal of nitrogen from the polishing ponds. The results obtained suggest that ammonia volatilization was a mechanism of little importance in nitrogen removal in the investigated polishing ponds. |
| doi_str_mv | 10.2166/wst.2012.303 |
| format | Article |
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An apparatus for the capture and absorption of volatilized ammonia in three polishing ponds in series was installed. Volatilized ammonia was captured by a chamber on the surface of the ponds and dissolved in boric acid solution, in order to estimate the amount of ammonia per unit surface area of each pond. Low rates of volatilization, below 0.2 kg/ha.d, in about 75% of samples from all the ponds, were observed. The mass balance of ammonia nitrogen of the ponds showed that the volatilization represented only about 2% of the total removal of nitrogen from the polishing ponds. The results obtained suggest that ammonia volatilization was a mechanism of little importance in nitrogen removal in the investigated polishing ponds.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2012.303</identifier><identifier>PMID: 22828301</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Ammonia ; Ammonia - chemistry ; Anaerobic treatment ; Bioreactors ; Maturation ; Nitrogen removal ; Polishing ; Ponds ; Reactors ; Sludge ; Time Factors ; Upflow anaerobic sludge blanket reactors ; Volatilization ; Waste Disposal, Fluid - methods</subject><ispartof>Water science and technology, 2012-01, Vol.66 (6), p.1239-1246</ispartof><rights>Copyright IWA Publishing Jul 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c352t-896c9278edf0a918209d22bb1a0f2918e625dfceca6b8d4b521b4e6ce047114a3</citedby></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/22828301$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>de Assunção, Fernando Augusto Lopes</creatorcontrib><creatorcontrib>von Sperling, Marcos</creatorcontrib><title>Importance of the ammonia volatilization rates in shallow maturation ponds treating UASB reactor effluent</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>This study aimed at determining the influence of ammonia volatilization on nitrogen removal in polishing (maturation) ponds treating sanitary effluent from upflow anaerobic sludge blanket (UASB) reactors in the city of Belo Horizonte, Brazil. An apparatus for the capture and absorption of volatilized ammonia in three polishing ponds in series was installed. Volatilized ammonia was captured by a chamber on the surface of the ponds and dissolved in boric acid solution, in order to estimate the amount of ammonia per unit surface area of each pond. Low rates of volatilization, below 0.2 kg/ha.d, in about 75% of samples from all the ponds, were observed. The mass balance of ammonia nitrogen of the ponds showed that the volatilization represented only about 2% of the total removal of nitrogen from the polishing ponds. The results obtained suggest that ammonia volatilization was a mechanism of little importance in nitrogen removal in the investigated polishing ponds.</description><subject>Ammonia</subject><subject>Ammonia - chemistry</subject><subject>Anaerobic treatment</subject><subject>Bioreactors</subject><subject>Maturation</subject><subject>Nitrogen removal</subject><subject>Polishing</subject><subject>Ponds</subject><subject>Reactors</subject><subject>Sludge</subject><subject>Time Factors</subject><subject>Upflow anaerobic sludge blanket reactors</subject><subject>Volatilization</subject><subject>Waste Disposal, Fluid - methods</subject><issn>0273-1223</issn><issn>1996-9732</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkU1LxDAQhoMouq7ePEvAiwe7JpM0bY8qfoHgQT2XNJ1qpU3WJFX01xtZ9eDFS8LLPLww8xCyx9kCuFLHbyEugHFYCCbWyIxXlcqqQsA6mTEoRMYBxBbZDuGZMVYIyTbJFkAJpWB8Rvrrcel81NYgdR2NT0j1ODrba_rqBh37of9Ir7PU64iB9paGJz0M7o2OOk5-NVs62wYaPaZoH-nDyd0pTcFE5yl23TChjTtko9NDwN3vf04eLs7vz66ym9vL67OTm8yIHGJWVspUUJTYdkxXvARWtQBNwzXrIGVUkLedQaNVU7ayyYE3EpVBJgvOpRZzcrjqXXr3MmGI9dgHg8OgLbop1FymG6T9c_k_mjjGS5FuNScHf9BnN3mbFql5JaUClcs8UUcryngXgseuXvp-1P49VdVftupkq_6yVSdbCd__Lp2aEdtf-EeP-AQYHZBg</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>de Assunção, Fernando Augusto Lopes</creator><creator>von Sperling, Marcos</creator><general>IWA Publishing</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>3V.</scope><scope>7QH</scope><scope>7UA</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FE</scope><scope>8FG</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H96</scope><scope>H97</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L.G</scope><scope>L6V</scope><scope>M0S</scope><scope>M1P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>7X8</scope><scope>7ST</scope><scope>SOI</scope></search><sort><creationdate>20120101</creationdate><title>Importance of the ammonia volatilization rates in shallow maturation ponds treating UASB reactor effluent</title><author>de Assunção, Fernando Augusto Lopes ; 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An apparatus for the capture and absorption of volatilized ammonia in three polishing ponds in series was installed. Volatilized ammonia was captured by a chamber on the surface of the ponds and dissolved in boric acid solution, in order to estimate the amount of ammonia per unit surface area of each pond. Low rates of volatilization, below 0.2 kg/ha.d, in about 75% of samples from all the ponds, were observed. The mass balance of ammonia nitrogen of the ponds showed that the volatilization represented only about 2% of the total removal of nitrogen from the polishing ponds. The results obtained suggest that ammonia volatilization was a mechanism of little importance in nitrogen removal in the investigated polishing ponds.</abstract><cop>England</cop><pub>IWA Publishing</pub><pmid>22828301</pmid><doi>10.2166/wst.2012.303</doi><tpages>8</tpages></addata></record> |
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| ispartof | Water science and technology, 2012-01, Vol.66 (6), p.1239-1246 |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Ammonia Ammonia - chemistry Anaerobic treatment Bioreactors Maturation Nitrogen removal Polishing Ponds Reactors Sludge Time Factors Upflow anaerobic sludge blanket reactors Volatilization Waste Disposal, Fluid - methods |
| title | Importance of the ammonia volatilization rates in shallow maturation ponds treating UASB reactor effluent |
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