Effect of salinity variation on the autotrophic kinetics of the start-up of a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor at low hydraulic retention time
A membrane bioreactor (MBR) and a hybrid moving bed biofilm reactor-membrane bioreactor (hybrid MBBR-MBR) for municipal wastewater treatment were studied to determine the effect of salinity on nitrogen removal and autotrophic kinetics. The biological systems were analyzed during the start-up phase w...
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| Veröffentlicht in: | Water science and technology 2018-02, Vol.77 (3), p.714-720 |
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| creator | Leyva-Díaz, J C Rodríguez-Sánchez, A González-López, J Poyatos, J M |
| description | A membrane bioreactor (MBR) and a hybrid moving bed biofilm reactor-membrane bioreactor (hybrid MBBR-MBR) for municipal wastewater treatment were studied to determine the effect of salinity on nitrogen removal and autotrophic kinetics. The biological systems were analyzed during the start-up phase with a hydraulic retention time (HRT) of 6 h, total biomass concentration of 2,500 mg L
in the steady state, and electric conductivities of 1.05 mS cm
for MBR and hybrid MBBR-MBR working under regular salinity and conductivity variations of 1.2-6.5 mS cm
for MBR and hybrid MBBR-MBR operating at variable salinity. The variable salinity affected the autotrophic biomass, which caused a reduction of the nitrogen degradation rate, an increase of time to remove ammonium from municipal wastewater and longer duration of the start-up phase for the MBR and hybrid MBBR-MBR. |
| doi_str_mv | 10.2166/wst.2017.585 |
| format | Article |
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in the steady state, and electric conductivities of 1.05 mS cm
for MBR and hybrid MBBR-MBR working under regular salinity and conductivity variations of 1.2-6.5 mS cm
for MBR and hybrid MBBR-MBR operating at variable salinity. The variable salinity affected the autotrophic biomass, which caused a reduction of the nitrogen degradation rate, an increase of time to remove ammonium from municipal wastewater and longer duration of the start-up phase for the MBR and hybrid MBBR-MBR.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2017.585</identifier><identifier>PMID: 29431716</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Activated carbon ; Ammonium ; Ammonium compounds ; Biodegradation ; Biofilms ; Biological effects ; Biomass ; Bioreactors ; Desalination ; Drinking water ; Duration ; Hydraulic retention time ; Kinetics ; Liquor ; Membranes ; Municipal wastewater ; Nitrogen ; Nitrogen removal ; Reaction kinetics ; Reactors ; Removal ; Retention ; Retention time ; Salinity ; Salinity effects ; Wastewater ; Wastewater treatment ; Water treatment plants</subject><ispartof>Water science and technology, 2018-02, Vol.77 (3), p.714-720</ispartof><rights>Copyright IWA Publishing Feb 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-8b94b30059e16272fe520d0a85eaa3f6423fbc536535f779687e110a4541322f3</citedby><cites>FETCH-LOGICAL-c319t-8b94b30059e16272fe520d0a85eaa3f6423fbc536535f779687e110a4541322f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29431716$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Leyva-Díaz, J C</creatorcontrib><creatorcontrib>Rodríguez-Sánchez, A</creatorcontrib><creatorcontrib>González-López, J</creatorcontrib><creatorcontrib>Poyatos, J M</creatorcontrib><title>Effect of salinity variation on the autotrophic kinetics of the start-up of a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor at low hydraulic retention time</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>A membrane bioreactor (MBR) and a hybrid moving bed biofilm reactor-membrane bioreactor (hybrid MBBR-MBR) for municipal wastewater treatment were studied to determine the effect of salinity on nitrogen removal and autotrophic kinetics. The biological systems were analyzed during the start-up phase with a hydraulic retention time (HRT) of 6 h, total biomass concentration of 2,500 mg L
in the steady state, and electric conductivities of 1.05 mS cm
for MBR and hybrid MBBR-MBR working under regular salinity and conductivity variations of 1.2-6.5 mS cm
for MBR and hybrid MBBR-MBR operating at variable salinity. 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in the steady state, and electric conductivities of 1.05 mS cm
for MBR and hybrid MBBR-MBR working under regular salinity and conductivity variations of 1.2-6.5 mS cm
for MBR and hybrid MBBR-MBR operating at variable salinity. The variable salinity affected the autotrophic biomass, which caused a reduction of the nitrogen degradation rate, an increase of time to remove ammonium from municipal wastewater and longer duration of the start-up phase for the MBR and hybrid MBBR-MBR.</abstract><cop>England</cop><pub>IWA Publishing</pub><pmid>29431716</pmid><doi>10.2166/wst.2017.585</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2018-02, Vol.77 (3), p.714-720 |
| issn | 0273-1223 1996-9732 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2001403147 |
| source | EZB-FREE-00999 freely available EZB journals |
| subjects | Activated carbon Ammonium Ammonium compounds Biodegradation Biofilms Biological effects Biomass Bioreactors Desalination Drinking water Duration Hydraulic retention time Kinetics Liquor Membranes Municipal wastewater Nitrogen Nitrogen removal Reaction kinetics Reactors Removal Retention Retention time Salinity Salinity effects Wastewater Wastewater treatment Water treatment plants |
| title | Effect of salinity variation on the autotrophic kinetics of the start-up of a membrane bioreactor and hybrid moving bed biofilm reactor-membrane bioreactor at low hydraulic retention time |
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