Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica
Autor(a) principal: | |
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Data de Publicação: | 2008 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.4025/actascibiolsci.v30i2.3610 http://hdl.handle.net/11449/70377 |
Resumo: | This study aimed to establish the adequate concentrations of nitrapyrin for the effective inhibition of oxygen demand required for the oxidation of nitrogen compounds during aerobic mineralization of leachate. The aquatic macrophyte Myriophyllum aquaticum was used as a source of dissolved organic matter (DOM). The leachate was incubated in several chambers, containing different composition and treatments: (i) treatment with leachate (DOM), (ii) treatment with DOM plus nitrapyrin in different concentrations (10; 25 and 50 mg L-1), aiming at finding the right concentration that inhibits the nitrification process, (iii) treatment with DOM plus NH4SO 2, (iv) treatment containing DOM and nitrapyrin plus NH 4SO2, and (v) treatment with DOM plus azide. The dissolved oxygen amount in each incubation treatment was periodically measured. The results indicated that the ratio of 10 mg L-1 of nitrapyrin for each 10 mg C of leachate is efficient in inhibiting the oxidation of nitrogen compounds from aquatic macrophytes. |
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Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológicaInhibition of the mineralization of nitrogen compounds in leachate from aquatic macrophytes: Methodological adequacyAquatic macrophytesInhibitionLeachateNitrificationOxygen demandazidedissolved organic matterdissolved oxygennitrapyrinconcentration (parameters)leachingmacrophytenitrificationnitrogen mineralizationnonhumanoxidationoxygen consumptionMyriophyllum aquaticumThis study aimed to establish the adequate concentrations of nitrapyrin for the effective inhibition of oxygen demand required for the oxidation of nitrogen compounds during aerobic mineralization of leachate. The aquatic macrophyte Myriophyllum aquaticum was used as a source of dissolved organic matter (DOM). The leachate was incubated in several chambers, containing different composition and treatments: (i) treatment with leachate (DOM), (ii) treatment with DOM plus nitrapyrin in different concentrations (10; 25 and 50 mg L-1), aiming at finding the right concentration that inhibits the nitrification process, (iii) treatment with DOM plus NH4SO 2, (iv) treatment containing DOM and nitrapyrin plus NH 4SO2, and (v) treatment with DOM plus azide. The dissolved oxygen amount in each incubation treatment was periodically measured. The results indicated that the ratio of 10 mg L-1 of nitrapyrin for each 10 mg C of leachate is efficient in inhibiting the oxidation of nitrogen compounds from aquatic macrophytes.Instituto de Biociências Universidade Estadual Paulista Júlio de Mesquita Filho, Botucatu, São PauloPrograma de Pós-graduação em Ecologia e Recursos Naturais Universidade Federal de São Carlos, São Carlos, São PauloDepartemento de Hidrobiologia Universidade Federal de São Carlos, Via Washington Luiz, km 235, 13565-905, São Carlos, São PauloInstituto de Biociências Universidade Estadual Paulista Júlio de Mesquita Filho, Botucatu, São PauloUniversidade Estadual Paulista (Unesp)Universidade Federal de São Carlos (UFSCar)Nunes, Maíra de Figueiredo [UNESP]Santino, Marcela Bianchessi Da CunhaBianchini Jr., Irineu2014-05-27T11:23:31Z2014-05-27T11:23:31Z2008-04-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article159-164application/pdfhttp://dx.doi.org/10.4025/actascibiolsci.v30i2.3610Acta Scientiarum - Biological Sciences, v. 30, n. 2, p. 159-164, 2008.1679-9283http://hdl.handle.net/11449/7037710.4025/actascibiolsci.v30i2.36102-s2.0-479491002532-s2.0-47949100253.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporActa Scientiarum: Biological Sciences0,208info:eu-repo/semantics/openAccess2023-11-16T06:08:18Zoai:repositorio.unesp.br:11449/70377Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-11-16T06:08:18Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica Inhibition of the mineralization of nitrogen compounds in leachate from aquatic macrophytes: Methodological adequacy |
title |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica |
spellingShingle |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica Nunes, Maíra de Figueiredo [UNESP] Aquatic macrophytes Inhibition Leachate Nitrification Oxygen demand azide dissolved organic matter dissolved oxygen nitrapyrin concentration (parameters) leaching macrophyte nitrification nitrogen mineralization nonhuman oxidation oxygen consumption Myriophyllum aquaticum |
title_short |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica |
title_full |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica |
title_fullStr |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica |
title_full_unstemmed |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica |
title_sort |
Inibição da mineralização de compostos nitrogenados de lixiviado de macrófita aquática: Adequação metodológica |
author |
Nunes, Maíra de Figueiredo [UNESP] |
author_facet |
Nunes, Maíra de Figueiredo [UNESP] Santino, Marcela Bianchessi Da Cunha Bianchini Jr., Irineu |
author_role |
author |
author2 |
Santino, Marcela Bianchessi Da Cunha Bianchini Jr., Irineu |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade Federal de São Carlos (UFSCar) |
dc.contributor.author.fl_str_mv |
Nunes, Maíra de Figueiredo [UNESP] Santino, Marcela Bianchessi Da Cunha Bianchini Jr., Irineu |
dc.subject.por.fl_str_mv |
Aquatic macrophytes Inhibition Leachate Nitrification Oxygen demand azide dissolved organic matter dissolved oxygen nitrapyrin concentration (parameters) leaching macrophyte nitrification nitrogen mineralization nonhuman oxidation oxygen consumption Myriophyllum aquaticum |
topic |
Aquatic macrophytes Inhibition Leachate Nitrification Oxygen demand azide dissolved organic matter dissolved oxygen nitrapyrin concentration (parameters) leaching macrophyte nitrification nitrogen mineralization nonhuman oxidation oxygen consumption Myriophyllum aquaticum |
description |
This study aimed to establish the adequate concentrations of nitrapyrin for the effective inhibition of oxygen demand required for the oxidation of nitrogen compounds during aerobic mineralization of leachate. The aquatic macrophyte Myriophyllum aquaticum was used as a source of dissolved organic matter (DOM). The leachate was incubated in several chambers, containing different composition and treatments: (i) treatment with leachate (DOM), (ii) treatment with DOM plus nitrapyrin in different concentrations (10; 25 and 50 mg L-1), aiming at finding the right concentration that inhibits the nitrification process, (iii) treatment with DOM plus NH4SO 2, (iv) treatment containing DOM and nitrapyrin plus NH 4SO2, and (v) treatment with DOM plus azide. The dissolved oxygen amount in each incubation treatment was periodically measured. The results indicated that the ratio of 10 mg L-1 of nitrapyrin for each 10 mg C of leachate is efficient in inhibiting the oxidation of nitrogen compounds from aquatic macrophytes. |
publishDate |
2008 |
dc.date.none.fl_str_mv |
2008-04-01 2014-05-27T11:23:31Z 2014-05-27T11:23:31Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.4025/actascibiolsci.v30i2.3610 Acta Scientiarum - Biological Sciences, v. 30, n. 2, p. 159-164, 2008. 1679-9283 http://hdl.handle.net/11449/70377 10.4025/actascibiolsci.v30i2.3610 2-s2.0-47949100253 2-s2.0-47949100253.pdf |
url |
http://dx.doi.org/10.4025/actascibiolsci.v30i2.3610 http://hdl.handle.net/11449/70377 |
identifier_str_mv |
Acta Scientiarum - Biological Sciences, v. 30, n. 2, p. 159-164, 2008. 1679-9283 10.4025/actascibiolsci.v30i2.3610 2-s2.0-47949100253 2-s2.0-47949100253.pdf |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Acta Scientiarum: Biological Sciences 0,208 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
159-164 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1792961833746825216 |