The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges
This work presents the effect of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity (SMA) of different anaerobic sludges with various physical structures (granular and flocculent), operating in batch conditions. Piggery, malting production and urban sludges derived from full-scale anaerobic reactors were tested in the experiment as the source of inoculum in batch digesters. It was found that piggery sludge was the most affected by the increase of ammonia nitrogen concentration while malting producing and municipal sludges were less affected. In general, the addition of zeolite at doses in the range of 0.01–0.1 g/g VSS reduced the inhibitory effect of N-NH4 + for piggery sludge (P.S.). For this sludge, the propionic:acetic ratio increased when the concentration of N-NH4 + increased, indicating that methanogenesis was affected. Finally, a study of the microbial population involved in this study for P.S. by using 16S rRNA based molecular techniques revealed a presence of microorganisms following the order: Methanococcaceae > Methanosarcina > Methanosaeta.
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Format: | artículo biblioteca |
Language: | English |
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Taylor & Francis
2010
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Subjects: | Zeolite, Ammonia nitrogen, Specific methanogenic activity, Piggery sludge, Malting sludge, Urban sludge, Flocculent granular, |
Online Access: | http://hdl.handle.net/10261/54689 |
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dig-ccma-es-10261-546892019-05-07T11:50:55Z The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges Milán, Zhenia Montalvo, Silvio Ilangovan, K. Monroy, Oscar Chamy, Rolando Weiland, Peter Sánchez, Enrique Borja Padilla, Rafael Zeolite Ammonia nitrogen Specific methanogenic activity Piggery sludge Malting sludge Urban sludge Flocculent granular This work presents the effect of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity (SMA) of different anaerobic sludges with various physical structures (granular and flocculent), operating in batch conditions. Piggery, malting production and urban sludges derived from full-scale anaerobic reactors were tested in the experiment as the source of inoculum in batch digesters. It was found that piggery sludge was the most affected by the increase of ammonia nitrogen concentration while malting producing and municipal sludges were less affected. In general, the addition of zeolite at doses in the range of 0.01–0.1 g/g VSS reduced the inhibitory effect of N-NH4 + for piggery sludge (P.S.). For this sludge, the propionic:acetic ratio increased when the concentration of N-NH4 + increased, indicating that methanogenesis was affected. Finally, a study of the microbial population involved in this study for P.S. by using 16S rRNA based molecular techniques revealed a presence of microorganisms following the order: Methanococcaceae > Methanosarcina > Methanosaeta. The authors want to acknowledge the support of the Alexander von Humboldt Foundation from the Federal Republic of Germany; the “Consejo Superior de Investigaciones Científicas” from Spain; the “Pontificia Universidad Católica” from Valparaiso (Chile); the “Universidad de Santiago de Chile” from Chile and the “Universidad Autónoma Metropolitana” from Mexico for the development of the present work. Peer reviewed 2012-08-10T10:03:13Z 2012-08-10T10:03:13Z 2010 artículo http://purl.org/coar/resource_type/c_6501 Journal of Environmental Science and Health, part A 45(7): 883-889 (2010) 1093-4529 PMID: 20419585 http://hdl.handle.net/10261/54689 10.1080/10934521003709099 1532-4117 en http://dx.doi.org/10.1080/10934521003709099 open Taylor & Francis |
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Zeolite Ammonia nitrogen Specific methanogenic activity Piggery sludge Malting sludge Urban sludge Flocculent granular Zeolite Ammonia nitrogen Specific methanogenic activity Piggery sludge Malting sludge Urban sludge Flocculent granular |
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Zeolite Ammonia nitrogen Specific methanogenic activity Piggery sludge Malting sludge Urban sludge Flocculent granular Zeolite Ammonia nitrogen Specific methanogenic activity Piggery sludge Malting sludge Urban sludge Flocculent granular Milán, Zhenia Montalvo, Silvio Ilangovan, K. Monroy, Oscar Chamy, Rolando Weiland, Peter Sánchez, Enrique Borja Padilla, Rafael The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
description |
This work presents the effect of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity (SMA) of different anaerobic sludges with various physical structures (granular and flocculent), operating in batch conditions. Piggery, malting production and urban sludges derived from full-scale anaerobic reactors were tested in the experiment as the source of inoculum in batch digesters. It was found that piggery sludge was the most affected by the increase of ammonia nitrogen concentration while malting producing and municipal sludges were less affected. In general, the addition of zeolite at doses in the range of 0.01–0.1 g/g VSS reduced the inhibitory effect of N-NH4 + for piggery sludge (P.S.). For this sludge, the propionic:acetic ratio increased when the concentration of N-NH4 + increased, indicating that methanogenesis was affected. Finally, a study of the microbial population involved in this study for P.S. by using 16S rRNA based molecular techniques revealed a presence of microorganisms following the order: Methanococcaceae > Methanosarcina > Methanosaeta. |
format |
artículo |
topic_facet |
Zeolite Ammonia nitrogen Specific methanogenic activity Piggery sludge Malting sludge Urban sludge Flocculent granular |
author |
Milán, Zhenia Montalvo, Silvio Ilangovan, K. Monroy, Oscar Chamy, Rolando Weiland, Peter Sánchez, Enrique Borja Padilla, Rafael |
author_facet |
Milán, Zhenia Montalvo, Silvio Ilangovan, K. Monroy, Oscar Chamy, Rolando Weiland, Peter Sánchez, Enrique Borja Padilla, Rafael |
author_sort |
Milán, Zhenia |
title |
The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
title_short |
The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
title_full |
The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
title_fullStr |
The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
title_full_unstemmed |
The impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
title_sort |
impact of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity of granular and flocculent anaerobic sludges |
publisher |
Taylor & Francis |
publishDate |
2010 |
url |
http://hdl.handle.net/10261/54689 |
work_keys_str_mv |
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