Comparison of nitrification performance and microbial community between submerged membrane bioreactor and conventional activated sludge system

A submerged membrane bioreactor (SMBR) and a conventional activated sludge system (CAS) were compared in parallel over a period of more than 260 days on treating synthetic ammonia-bearing inorganic wastewater without sludge purge under decreased hydraulic retention times (HRTs). Conversion of NH4(+)...

Ausführliche Beschreibung

Bibliographische Detailangaben
Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 51(2005), 6-7 vom: 29., Seite 193-200
1. Verfasser: Li, H (VerfasserIn)
Weitere Verfasser: Yang, M, Zhang, Y, Liu, X, Gao, M, Kamagata, Y
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Comparative Study Journal Article Biopolymers Inorganic Chemicals Membranes, Artificial Nitrites RNA, Ribosomal, 16S Sewage Water Pollutants, Chemical Ammonia 7664-41-7
LEADER 01000naa a22002652 4500
001 NLM156415658
003 DE-627
005 20231223074121.0
007 tu
008 231223s2005 xx ||||| 00| ||eng c
028 5 2 |a pubmed24n0522.xml 
035 |a (DE-627)NLM156415658 
035 |a (NLM)16003978 
040 |a DE-627  |b ger  |c DE-627  |e rakwb 
041 |a eng 
100 1 |a Li, H  |e verfasserin  |4 aut 
245 1 0 |a Comparison of nitrification performance and microbial community between submerged membrane bioreactor and conventional activated sludge system 
264 1 |c 2005 
336 |a Text  |b txt  |2 rdacontent 
337 |a ohne Hilfsmittel zu benutzen  |b n  |2 rdamedia 
338 |a Band  |b nc  |2 rdacarrier 
500 |a Date Completed 30.08.2005 
500 |a Date Revised 15.11.2006 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a A submerged membrane bioreactor (SMBR) and a conventional activated sludge system (CAS) were compared in parallel over a period of more than 260 days on treating synthetic ammonia-bearing inorganic wastewater without sludge purge under decreased hydraulic retention times (HRTs). Conversion of NH4(+)-N to NO3(-)-N was achieved with an efficiency of over 98% at an HRT > or = 10 h in the SMBR, while similar performance was obtained at an HRT > or = 20 h in the CAS. Denaturing gradient gel electrophoresis (DGGE) of polymerase chain reaction (PCR) amplified 16S rDNA was used to monitor variations of community structures in the two systems. With the prolongation of operation, the number of DGGE bands in the SMBR gradually increased from the initial 11 bands to the final 22 bands, whereas that in the CAS varied in a range between 13 and 183 Sequence analysis indicates that Nitrosomonas sp. and Nitrospira sp. were the dominating nitrification species responsible for ammonia and nitrite oxidation, respectively. Heterotrophic bacteria like Pseudomonas sp. and Flavobacteria sp. existed in both of the systems although only inorganic wastewater was fed. Substantive accumulation of extracellular polymeric substances (EPS) in the SMBR was confirmed by scanning electron microscopy and EPS analysis 
650 4 |a Comparative Study 
650 4 |a Journal Article 
650 7 |a Biopolymers  |2 NLM 
650 7 |a Inorganic Chemicals  |2 NLM 
650 7 |a Membranes, Artificial  |2 NLM 
650 7 |a Nitrites  |2 NLM 
650 7 |a RNA, Ribosomal, 16S  |2 NLM 
650 7 |a Sewage  |2 NLM 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Ammonia  |2 NLM 
650 7 |a 7664-41-7  |2 NLM 
700 1 |a Yang, M  |e verfasserin  |4 aut 
700 1 |a Zhang, Y  |e verfasserin  |4 aut 
700 1 |a Liu, X  |e verfasserin  |4 aut 
700 1 |a Gao, M  |e verfasserin  |4 aut 
700 1 |a Kamagata, Y  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Water science and technology : a journal of the International Association on Water Pollution Research  |d 1986  |g 51(2005), 6-7 vom: 29., Seite 193-200  |w (DE-627)NLM098149431  |x 0273-1223  |7 nnns 
773 1 8 |g volume:51  |g year:2005  |g number:6-7  |g day:29  |g pages:193-200 
912 |a GBV_USEFLAG_A 
912 |a SYSFLAG_A 
912 |a GBV_NLM 
912 |a GBV_ILN_350 
951 |a AR 
952 |d 51  |j 2005  |e 6-7  |b 29  |h 193-200