Characteristics of nitrifying granules developed in an air pulsing SBR
Nitrifying bacteria are characterized by low biomass yields and slow activity rates, the enhancement of nitrifying biomass retention by promoting the formation of granules would allow improving nitrification process. The use of a pulsing sequencing batch reactor (SBR) was tested to produce nitrifyin...
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| Veröffentlicht in: | Process biochemistry (1991) 2009-05, Vol.44 (5), p.602-606 |
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| container_title | Process biochemistry (1991) |
| container_volume | 44 |
| creator | Belmonte, M. Vázquez-Padín, J.R. Figueroa, M. Franco, A. Mosquera-Corral, A. Campos, J.L. Méndez, R. |
| description | Nitrifying bacteria are characterized by low biomass yields and slow activity rates, the enhancement of nitrifying biomass retention by promoting the formation of granules would allow improving nitrification process. The use of a pulsing sequencing batch reactor (SBR) was tested to produce nitrifying granules minimizing the air consumption. After 400 days of operation, 1.07
g
VSS/L of granular biomass with a mean diameter of 0.9
mm was accumulated in the system. The maximal nitrate production rate reached a value of 0.3
kg
N/(m
3
d).
Sporadic nitrite accumulations were registered and attributed to oxygen diffusion limitations which were solved improving the granule-liquid mass transfer with a liquid recirculation system. FISH technique was used in order to identify the main populations in the nitrifying granules;
Nitrosomonas spp. and
Nitrospira spp. were identified as the main ammonia and nitrite oxidizing population, respectively. With the introduction of liquid recirculation in the reactor the ammonia oxidation efficiencies improved and the proportion of
Nitrospira spp. increased from 1% to 15%. |
| doi_str_mv | 10.1016/j.procbio.2009.02.019 |
| format | Article |
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g
VSS/L of granular biomass with a mean diameter of 0.9
mm was accumulated in the system. The maximal nitrate production rate reached a value of 0.3
kg
N/(m
3
d).
Sporadic nitrite accumulations were registered and attributed to oxygen diffusion limitations which were solved improving the granule-liquid mass transfer with a liquid recirculation system. FISH technique was used in order to identify the main populations in the nitrifying granules;
Nitrosomonas spp. and
Nitrospira spp. were identified as the main ammonia and nitrite oxidizing population, respectively. With the introduction of liquid recirculation in the reactor the ammonia oxidation efficiencies improved and the proportion of
Nitrospira spp. increased from 1% to 15%.</description><identifier>ISSN: 1359-5113</identifier><identifier>EISSN: 1873-3298</identifier><identifier>DOI: 10.1016/j.procbio.2009.02.019</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Aerobic granulation ; Ammonia ; Nitrification ; Nitrite ; Nitrosomonas ; Nitrospira ; Pulsation ; Sequencing batch reactor</subject><ispartof>Process biochemistry (1991), 2009-05, Vol.44 (5), p.602-606</ispartof><rights>2009 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-fbf8bcca7b2255444801cee6fa4b8e3309b4c0c3312dffca461f4f4b6ed50a63</citedby><cites>FETCH-LOGICAL-c340t-fbf8bcca7b2255444801cee6fa4b8e3309b4c0c3312dffca461f4f4b6ed50a63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.procbio.2009.02.019$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Belmonte, M.</creatorcontrib><creatorcontrib>Vázquez-Padín, J.R.</creatorcontrib><creatorcontrib>Figueroa, M.</creatorcontrib><creatorcontrib>Franco, A.</creatorcontrib><creatorcontrib>Mosquera-Corral, A.</creatorcontrib><creatorcontrib>Campos, J.L.</creatorcontrib><creatorcontrib>Méndez, R.</creatorcontrib><title>Characteristics of nitrifying granules developed in an air pulsing SBR</title><title>Process biochemistry (1991)</title><description>Nitrifying bacteria are characterized by low biomass yields and slow activity rates, the enhancement of nitrifying biomass retention by promoting the formation of granules would allow improving nitrification process. The use of a pulsing sequencing batch reactor (SBR) was tested to produce nitrifying granules minimizing the air consumption. After 400 days of operation, 1.07
g
VSS/L of granular biomass with a mean diameter of 0.9
mm was accumulated in the system. The maximal nitrate production rate reached a value of 0.3
kg
N/(m
3
d).
Sporadic nitrite accumulations were registered and attributed to oxygen diffusion limitations which were solved improving the granule-liquid mass transfer with a liquid recirculation system. FISH technique was used in order to identify the main populations in the nitrifying granules;
Nitrosomonas spp. and
Nitrospira spp. were identified as the main ammonia and nitrite oxidizing population, respectively. With the introduction of liquid recirculation in the reactor the ammonia oxidation efficiencies improved and the proportion of
Nitrospira spp. increased from 1% to 15%.</description><subject>Aerobic granulation</subject><subject>Ammonia</subject><subject>Nitrification</subject><subject>Nitrite</subject><subject>Nitrosomonas</subject><subject>Nitrospira</subject><subject>Pulsation</subject><subject>Sequencing batch reactor</subject><issn>1359-5113</issn><issn>1873-3298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkE9Lw0AQxRdRsFY_gpCTt8TZP0mTk2ixKhQE7X3ZTGbrljSJu0mh396E9i4MvDm89-D9GLvnkHDg2eMu6XyLpWsTAVAkIBLgxQWb8XwhYymK_HL8ZVrEKefymt2EsAOQnHOYsdXyx3iDPXkXeocham3UuN47e3TNNtp60ww1haiiA9VtR1XkmsiM53zUDXWYTN8vX7fsypo60N1Z52yzet0s3-P159vH8nkdo1TQx7a0eYloFqUQaaqUyoEjUWaNKnOSEopSIaCUXFTWolEZt8qqMqMqBZPJOXs41Y6DfwcKvd67gFTXpqF2CFqMOIqFmozpyYi-DcGT1Z13e-OPmoOeoOmdPkPTEzQNQo_QxtzTKUfjiIMjrwM6apAq5wl7XbXun4Y_UrB5bQ</recordid><startdate>20090501</startdate><enddate>20090501</enddate><creator>Belmonte, M.</creator><creator>Vázquez-Padín, J.R.</creator><creator>Figueroa, M.</creator><creator>Franco, A.</creator><creator>Mosquera-Corral, A.</creator><creator>Campos, J.L.</creator><creator>Méndez, R.</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QO</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20090501</creationdate><title>Characteristics of nitrifying granules developed in an air pulsing SBR</title><author>Belmonte, M. ; Vázquez-Padín, J.R. ; Figueroa, M. ; Franco, A. ; Mosquera-Corral, A. ; Campos, J.L. ; Méndez, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-fbf8bcca7b2255444801cee6fa4b8e3309b4c0c3312dffca461f4f4b6ed50a63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Aerobic granulation</topic><topic>Ammonia</topic><topic>Nitrification</topic><topic>Nitrite</topic><topic>Nitrosomonas</topic><topic>Nitrospira</topic><topic>Pulsation</topic><topic>Sequencing batch reactor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Belmonte, M.</creatorcontrib><creatorcontrib>Vázquez-Padín, J.R.</creatorcontrib><creatorcontrib>Figueroa, M.</creatorcontrib><creatorcontrib>Franco, A.</creatorcontrib><creatorcontrib>Mosquera-Corral, A.</creatorcontrib><creatorcontrib>Campos, J.L.</creatorcontrib><creatorcontrib>Méndez, R.</creatorcontrib><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Process biochemistry (1991)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Belmonte, M.</au><au>Vázquez-Padín, J.R.</au><au>Figueroa, M.</au><au>Franco, A.</au><au>Mosquera-Corral, A.</au><au>Campos, J.L.</au><au>Méndez, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characteristics of nitrifying granules developed in an air pulsing SBR</atitle><jtitle>Process biochemistry (1991)</jtitle><date>2009-05-01</date><risdate>2009</risdate><volume>44</volume><issue>5</issue><spage>602</spage><epage>606</epage><pages>602-606</pages><issn>1359-5113</issn><eissn>1873-3298</eissn><abstract>Nitrifying bacteria are characterized by low biomass yields and slow activity rates, the enhancement of nitrifying biomass retention by promoting the formation of granules would allow improving nitrification process. The use of a pulsing sequencing batch reactor (SBR) was tested to produce nitrifying granules minimizing the air consumption. After 400 days of operation, 1.07
g
VSS/L of granular biomass with a mean diameter of 0.9
mm was accumulated in the system. The maximal nitrate production rate reached a value of 0.3
kg
N/(m
3
d).
Sporadic nitrite accumulations were registered and attributed to oxygen diffusion limitations which were solved improving the granule-liquid mass transfer with a liquid recirculation system. FISH technique was used in order to identify the main populations in the nitrifying granules;
Nitrosomonas spp. and
Nitrospira spp. were identified as the main ammonia and nitrite oxidizing population, respectively. With the introduction of liquid recirculation in the reactor the ammonia oxidation efficiencies improved and the proportion of
Nitrospira spp. increased from 1% to 15%.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.procbio.2009.02.019</doi><tpages>5</tpages></addata></record> |
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| ispartof | Process biochemistry (1991), 2009-05, Vol.44 (5), p.602-606 |
| issn | 1359-5113 1873-3298 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Aerobic granulation Ammonia Nitrification Nitrite Nitrosomonas Nitrospira Pulsation Sequencing batch reactor |
| title | Characteristics of nitrifying granules developed in an air pulsing SBR |
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