Operation of an aerobic granular pilot scale SBR plant to treat swine slurry

N. Morales; M. Figueroa; A. Fra-Vázquez; A. Val Del Río; J. L. Campos; A. Mosquera-Corral; R. Méndez

doi:10.1016/j.procbio.2013.06.004

Operation of an aerobic granular pilot scale SBR plant to treat swine slurry

N. Morales, M. Figueroa, A. Fra-Vázquez, A. Val Del Río, J. L. Campos, A. Mosquera-Corral, R. Méndez

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

Abstract

A pilot-scale Sequencing Batch Reactor was operated during 307 days in order to treat swine slurry characterized by its high variable composition: organic and nitrogen applied loading rates and C/N ratio were 1.4-6.3 kg COD_s/(m³ d), 0.5-2.5 kg N/(m³ d) and 1.9-9.4 g COD_s/(g N), respectively. Aerobic granules successfully developed in the reactor and their physical properties remained rather stable despite the feeding composition variability. Organic and ammonia removal efficiency reached 61-73% and 56-77%, respectively, however ammonia was mainly oxidized to nitrite. The reactor had a good biomass retention capacity to select for granular biomass. However, its efficiency to retain the solids present in the feeding was low. Aerobic granulation in SBR systems appears as an interesting alternative to treat slurry in small livestock facilities where the implementation of anaerobic digestion systems is not a feasible option or the removal of nitrogenous compounds is required.

Original language	English
Pages (from-to)	1216-1221
Number of pages	6
Journal	Process Biochemistry
Volume	48
Issue number	8
DOIs	https://doi.org/10.1016/j.procbio.2013.06.004
State	Published - Aug 2013
Externally published	Yes

Keywords

Aerobic granular sludge
COD
Nitrogen
Pilot plant reactor
Swine slurry

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10.1016/j.procbio.2013.06.004

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title = "Operation of an aerobic granular pilot scale SBR plant to treat swine slurry",

abstract = "A pilot-scale Sequencing Batch Reactor was operated during 307 days in order to treat swine slurry characterized by its high variable composition: organic and nitrogen applied loading rates and C/N ratio were 1.4-6.3 kg CODs/(m3 d), 0.5-2.5 kg N/(m3 d) and 1.9-9.4 g CODs/(g N), respectively. Aerobic granules successfully developed in the reactor and their physical properties remained rather stable despite the feeding composition variability. Organic and ammonia removal efficiency reached 61-73% and 56-77%, respectively, however ammonia was mainly oxidized to nitrite. The reactor had a good biomass retention capacity to select for granular biomass. However, its efficiency to retain the solids present in the feeding was low. Aerobic granulation in SBR systems appears as an interesting alternative to treat slurry in small livestock facilities where the implementation of anaerobic digestion systems is not a feasible option or the removal of nitrogenous compounds is required.",

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author = "N. Morales and M. Figueroa and A. Fra-V{\'a}zquez and {Val Del R{\'i}o}, A. and Campos, {J. L.} and A. Mosquera-Corral and R. M{\'e}ndez",

year = "2013",

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AU - Morales, N.

AU - Figueroa, M.

AU - Fra-Vázquez, A.

AU - Val Del Río, A.

AU - Campos, J. L.

AU - Mosquera-Corral, A.

AU - Méndez, R.

PY - 2013/8

Y1 - 2013/8

N2 - A pilot-scale Sequencing Batch Reactor was operated during 307 days in order to treat swine slurry characterized by its high variable composition: organic and nitrogen applied loading rates and C/N ratio were 1.4-6.3 kg CODs/(m3 d), 0.5-2.5 kg N/(m3 d) and 1.9-9.4 g CODs/(g N), respectively. Aerobic granules successfully developed in the reactor and their physical properties remained rather stable despite the feeding composition variability. Organic and ammonia removal efficiency reached 61-73% and 56-77%, respectively, however ammonia was mainly oxidized to nitrite. The reactor had a good biomass retention capacity to select for granular biomass. However, its efficiency to retain the solids present in the feeding was low. Aerobic granulation in SBR systems appears as an interesting alternative to treat slurry in small livestock facilities where the implementation of anaerobic digestion systems is not a feasible option or the removal of nitrogenous compounds is required.

AB - A pilot-scale Sequencing Batch Reactor was operated during 307 days in order to treat swine slurry characterized by its high variable composition: organic and nitrogen applied loading rates and C/N ratio were 1.4-6.3 kg CODs/(m3 d), 0.5-2.5 kg N/(m3 d) and 1.9-9.4 g CODs/(g N), respectively. Aerobic granules successfully developed in the reactor and their physical properties remained rather stable despite the feeding composition variability. Organic and ammonia removal efficiency reached 61-73% and 56-77%, respectively, however ammonia was mainly oxidized to nitrite. The reactor had a good biomass retention capacity to select for granular biomass. However, its efficiency to retain the solids present in the feeding was low. Aerobic granulation in SBR systems appears as an interesting alternative to treat slurry in small livestock facilities where the implementation of anaerobic digestion systems is not a feasible option or the removal of nitrogenous compounds is required.

KW - Aerobic granular sludge

KW - COD

KW - Nitrogen

KW - Pilot plant reactor

KW - Swine slurry

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JO - Process Biochemistry

JF - Process Biochemistry

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ER -

Operation of an aerobic granular pilot scale SBR plant to treat swine slurry

Abstract

Keywords

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