Anaerobic digestion of food waste through the operation of a mesophilic two-phase pilot scale digester - Assessment of variable loadings on system performance

S. J. Grimberg; D. Hilderbrandt; Marta Kinnunen; S. Rogers

doi:10.1016/j.biortech.2014.09.001

Anaerobic digestion of food waste through the operation of a mesophilic two-phase pilot scale digester - Assessment of variable loadings on system performance

S. J. Grimberg, D. Hilderbrandt, Marta Kinnunen, S. Rogers

Clarkson University

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

Single and two-phase operations were compared at mesophilic operating conditions using a digester system consisting of three 5-m3 reactors treating food waste generated daily within the university campus kitchens. When normalizing the methane production to the daily feedstock characteristics, significantly greater methane was produced during two-phase mesophilic digestion compared to the single-stage operation (methane yield of 380 vs 446-LCH4kgVS-1; 359 vs 481-LCH4kgCOD-1 removed for single vs two stage operation). The fermentation reactor could be maintained reliably even under very low loading rates (0.79±0.16kgCODm-3d-1) maintaining a steady state pH of 5.2.

Original language	English
Journal	Bioresource Technology
Volume	178
Pages (from-to)	226-229
Number of pages	4
ISSN	0960-8524
DOIs	https://doi.org/10.1016/j.biortech.2014.09.001
Publication status	Published - 2015
Externally published	Yes

Keywords

Food waste
Two-stage anaerobic digestion
Loading
Methane
Digester systems
Methane production
Operating condition
Two phase operation
Two-stage anaerobic digestions
University campus
Variable loadings
Anaerobic digestion

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10.1016/j.biortech.2014.09.001

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title = "Anaerobic digestion of food waste through the operation of a mesophilic two-phase pilot scale digester - Assessment of variable loadings on system performance",

abstract = "Single and two-phase operations were compared at mesophilic operating conditions using a digester system consisting of three 5-m3 reactors treating food waste generated daily within the university campus kitchens. When normalizing the methane production to the daily feedstock characteristics, significantly greater methane was produced during two-phase mesophilic digestion compared to the single-stage operation (methane yield of 380 vs 446-LCH4kgVS-1; 359 vs 481-LCH4kgCOD-1 removed for single vs two stage operation). The fermentation reactor could be maintained reliably even under very low loading rates (0.79±0.16kgCODm-3d-1) maintaining a steady state pH of 5.2.",

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language = "English",

volume = "178",

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AU - Grimberg, S. J.

AU - Hilderbrandt, D.

AU - Kinnunen, Marta

AU - Rogers, S.

PY - 2015

Y1 - 2015

N2 - Single and two-phase operations were compared at mesophilic operating conditions using a digester system consisting of three 5-m3 reactors treating food waste generated daily within the university campus kitchens. When normalizing the methane production to the daily feedstock characteristics, significantly greater methane was produced during two-phase mesophilic digestion compared to the single-stage operation (methane yield of 380 vs 446-LCH4kgVS-1; 359 vs 481-LCH4kgCOD-1 removed for single vs two stage operation). The fermentation reactor could be maintained reliably even under very low loading rates (0.79±0.16kgCODm-3d-1) maintaining a steady state pH of 5.2.

AB - Single and two-phase operations were compared at mesophilic operating conditions using a digester system consisting of three 5-m3 reactors treating food waste generated daily within the university campus kitchens. When normalizing the methane production to the daily feedstock characteristics, significantly greater methane was produced during two-phase mesophilic digestion compared to the single-stage operation (methane yield of 380 vs 446-LCH4kgVS-1; 359 vs 481-LCH4kgCOD-1 removed for single vs two stage operation). The fermentation reactor could be maintained reliably even under very low loading rates (0.79±0.16kgCODm-3d-1) maintaining a steady state pH of 5.2.

KW - Food waste

KW - Two-stage anaerobic digestion

KW - Loading

KW - Methane

KW - Digester systems

KW - Methane production

KW - Operating condition

KW - Two phase operation

KW - Two-stage anaerobic digestions

KW - University campus

KW - Variable loadings

KW - Anaerobic digestion

U2 - 10.1016/j.biortech.2014.09.001

DO - 10.1016/j.biortech.2014.09.001

M3 - Journal article

C2 - 25266683

SN - 0960-8524

VL - 178

SP - 226

EP - 229

JO - Bioresource Technology

JF - Bioresource Technology

ER -

Anaerobic digestion of food waste through the operation of a mesophilic two-phase pilot scale digester - Assessment of variable loadings on system performance

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Keywords

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