Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O

Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xu, Xingkun [verfasserIn] Zhu, Jing [verfasserIn] Thies, Janice E. [verfasserIn] Wu, Weixiang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy

Übergeordnetes Werk:	Enthalten in: Water research - Amsterdam [u.a.] : Elsevier Science, 1967, 174
Übergeordnetes Werk:	volume:174

DOI / URN:	10.1016/j.watres.2020.115595

Katalog-ID:	ELV003845508

Internformat


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245	1	0	\|a Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O
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520			\|a Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved.
650		4	\|a Aerobic methane oxidation coupled to denitrification
650		4	\|a Nitrate removal efficiency
650		4	\|a Membrane biofilm reactor
650		4	\|a O
650		4	\|a Methanol-linked synergy
700	1		\|a Zhu, Jing \|e verfasserin \|4 aut
700	1		\|a Thies, Janice E. \|e verfasserin \|4 aut
700	1		\|a Wu, Weixiang \|e verfasserin \|4 aut
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936	b	k	\|a 38.85 \|j Hydrologie: Allgemeines
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allfields	10.1016/j.watres.2020.115595 doi (DE-627)ELV003845508 (ELSEVIER)S0043-1354(20)30131-7 DE-627 ger DE-627 rda eng 550 DE-600 38.85 bkl 43.50 bkl 58.51 bkl Xu, Xingkun verfasserin aut Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved. Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy Zhu, Jing verfasserin aut Thies, Janice E. verfasserin aut Wu, Weixiang verfasserin aut Enthalten in Water research Amsterdam [u.a.] : Elsevier Science, 1967 174 Online-Ressource (DE-627)306713780 (DE-600)1501098-3 (DE-576)098330284 1879-2448 nnns volume:174 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.85 Hydrologie: Allgemeines 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 174
spelling	10.1016/j.watres.2020.115595 doi (DE-627)ELV003845508 (ELSEVIER)S0043-1354(20)30131-7 DE-627 ger DE-627 rda eng 550 DE-600 38.85 bkl 43.50 bkl 58.51 bkl Xu, Xingkun verfasserin aut Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved. Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy Zhu, Jing verfasserin aut Thies, Janice E. verfasserin aut Wu, Weixiang verfasserin aut Enthalten in Water research Amsterdam [u.a.] : Elsevier Science, 1967 174 Online-Ressource (DE-627)306713780 (DE-600)1501098-3 (DE-576)098330284 1879-2448 nnns volume:174 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.85 Hydrologie: Allgemeines 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 174
allfields_unstemmed	10.1016/j.watres.2020.115595 doi (DE-627)ELV003845508 (ELSEVIER)S0043-1354(20)30131-7 DE-627 ger DE-627 rda eng 550 DE-600 38.85 bkl 43.50 bkl 58.51 bkl Xu, Xingkun verfasserin aut Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved. Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy Zhu, Jing verfasserin aut Thies, Janice E. verfasserin aut Wu, Weixiang verfasserin aut Enthalten in Water research Amsterdam [u.a.] : Elsevier Science, 1967 174 Online-Ressource (DE-627)306713780 (DE-600)1501098-3 (DE-576)098330284 1879-2448 nnns volume:174 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.85 Hydrologie: Allgemeines 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 174
allfieldsGer	10.1016/j.watres.2020.115595 doi (DE-627)ELV003845508 (ELSEVIER)S0043-1354(20)30131-7 DE-627 ger DE-627 rda eng 550 DE-600 38.85 bkl 43.50 bkl 58.51 bkl Xu, Xingkun verfasserin aut Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved. Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy Zhu, Jing verfasserin aut Thies, Janice E. verfasserin aut Wu, Weixiang verfasserin aut Enthalten in Water research Amsterdam [u.a.] : Elsevier Science, 1967 174 Online-Ressource (DE-627)306713780 (DE-600)1501098-3 (DE-576)098330284 1879-2448 nnns volume:174 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.85 Hydrologie: Allgemeines 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 174
allfieldsSound	10.1016/j.watres.2020.115595 doi (DE-627)ELV003845508 (ELSEVIER)S0043-1354(20)30131-7 DE-627 ger DE-627 rda eng 550 DE-600 38.85 bkl 43.50 bkl 58.51 bkl Xu, Xingkun verfasserin aut Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O 2020 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved. Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy Zhu, Jing verfasserin aut Thies, Janice E. verfasserin aut Wu, Weixiang verfasserin aut Enthalten in Water research Amsterdam [u.a.] : Elsevier Science, 1967 174 Online-Ressource (DE-627)306713780 (DE-600)1501098-3 (DE-576)098330284 1879-2448 nnns volume:174 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 38.85 Hydrologie: Allgemeines 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 174
language	English
source	Enthalten in Water research 174 volume:174
sourceStr	Enthalten in Water research 174 volume:174
format_phy_str_mv	Article
bklname	Hydrologie: Allgemeines Umweltbelastungen Abwassertechnik Wasseraufbereitung
institution	findex.gbv.de
topic_facet	Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy
dewey-raw	550
isfreeaccess_bool	false
container_title	Water research
authorswithroles_txt_mv	Xu, Xingkun @@aut@@ Zhu, Jing @@aut@@ Thies, Janice E. @@aut@@ Wu, Weixiang @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	306713780
dewey-sort	3550
id	ELV003845508
language_de	englisch
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author	Xu, Xingkun
spellingShingle	Xu, Xingkun ddc 550 bkl 38.85 bkl 43.50 bkl 58.51 misc Aerobic methane oxidation coupled to denitrification misc Nitrate removal efficiency misc Membrane biofilm reactor misc O misc Methanol-linked synergy Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O
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topic_title	550 DE-600 38.85 bkl 43.50 bkl 58.51 bkl Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O Aerobic methane oxidation coupled to denitrification Nitrate removal efficiency Membrane biofilm reactor O Methanol-linked synergy
topic	ddc 550 bkl 38.85 bkl 43.50 bkl 58.51 misc Aerobic methane oxidation coupled to denitrification misc Nitrate removal efficiency misc Membrane biofilm reactor misc O misc Methanol-linked synergy
topic_unstemmed	ddc 550 bkl 38.85 bkl 43.50 bkl 58.51 misc Aerobic methane oxidation coupled to denitrification misc Nitrate removal efficiency misc Membrane biofilm reactor misc O misc Methanol-linked synergy
topic_browse	ddc 550 bkl 38.85 bkl 43.50 bkl 58.51 misc Aerobic methane oxidation coupled to denitrification misc Nitrate removal efficiency misc Membrane biofilm reactor misc O misc Methanol-linked synergy
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title	Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O
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title_full	Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O
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author_browse	Xu, Xingkun Zhu, Jing Thies, Janice E. Wu, Weixiang
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title_sort	methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low o
title_auth	Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O
abstract	Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved.
abstractGer	Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved.
abstract_unstemmed	Nitrate removal efficiency of aerobic methane oxidation coupled with denitrification (AME-D) process was elevated by enhancing the methanol-linked synergy in a membrane biofilm reactor (MBfR) under a low O2:CH4 ratio. After 140 days’ enrichment, the nitrate removal rate increased significantly from 3 to 4 mg-N L−1 d−1 to 22.09 ± 1.21 mg-N L−1 d−1 and the indicator, mol CH4 consumed/mol reduced NO3 −-N (C/N ratio), decreased to 1.79 which was very close to the theoretical minimum value (1.27–1.39). The increased nitrate removal efficiency was largely related to the enhanced relationship between aerobic methanotrophs and methanol-utilizing denitrifiers. Type I methanotrophs and some denitrifiers, especially those potential methanol-utilizing denitrifiers from Methylobacillus, Methylotenera, Methylophilus and Methyloversatilis, were abundant in the MBfR sludge. Aerobic methanotrophs and potential methanol-utilizing denitrifiers were closely associated in many globular aggregates (5–10 μm diameter) in the MBfR sludge, which may have promoted the denitrifiers to capture methanol released by methanotrophs efficiently. If we assume methanol is the only cross-feeding intermediate in the MBfR, about 38–60% of the CH4 supplied would be converted to methanol and secreted rather than continuing to be oxidized. At least 63% of this secreted methanol should be utilized for denitrification instead of being oxidized by oxygen in the MBfR. These findings suggest that the nitrate removal efficiency of the AME-D process could be significantly improved.
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title_short	Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O
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up_date	2024-07-06T20:59:13.973Z
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Methanol-linked synergy between aerobic methanotrophs and denitrifiers enhanced nitrate removal efficiency in a membrane biofilm reactor under a low O

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