Relationships between biomass, pressure drop, and performance in a polyurethane biofilter

Hee Wook Ryu; Kyung Suk Cho; Dong Jin Chung

doi:10.1016/j.biortech.2009.10.018

Relationships between biomass, pressure drop, and performance in a polyurethane biofilter

Hee Wook Ryu, Kyung Suk Cho, Dong Jin Chung

Department of Environmental Science & Engineering

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

60 Scopus citations

Abstract

In biofilters for controlling volatile organic compounds (VOCs), clogging in the filter bed due to overgrowth of biomass causes the deterioration of biofilter performance. In this study, the relationships between biofilter performance, biomass concentration (X), and pressure drop (ΔP) was qualitatively and quantitatively evaluated in a polyurethane (PU) biofilter. Benzene was used as a model VOC. The relationship between ΔP and X at a moisture content of 80-90% was expressed as log ΔP (mm H₂Om^-1) = 0.315 + 3.87 log X (g-dry cell weight (DCW) g-PU^-1), 0.8 < X < 2.5. Maximum removal rate (V_m) for benzene declined with increasing biomass concentration at more than 0.8 g-DCW g-PU^-1, and the following equation was obtained: V_m (g m^-3 h^-1) = 811 - 261 X (g-DCW g-PU^-1), 0.8 < X < 2.5. The quantitative relationships obtained in this study can be applied to assess and optimize PU biofilter performance for long-term operation.

Original language	English
Pages (from-to)	1745-1751
Number of pages	7
Journal	Bioresource Technology
Volume	101
Issue number	6
DOIs	https://doi.org/10.1016/j.biortech.2009.10.018
State	Published - Mar 2010

Keywords

Biofilter
Biomass
Clogging
Pressure drop
Volatile organic compounds

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.biortech.2009.10.018

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title = "Relationships between biomass, pressure drop, and performance in a polyurethane biofilter",

abstract = "In biofilters for controlling volatile organic compounds (VOCs), clogging in the filter bed due to overgrowth of biomass causes the deterioration of biofilter performance. In this study, the relationships between biofilter performance, biomass concentration (X), and pressure drop (ΔP) was qualitatively and quantitatively evaluated in a polyurethane (PU) biofilter. Benzene was used as a model VOC. The relationship between ΔP and X at a moisture content of 80-90% was expressed as log ΔP (mm H2Om-1) = 0.315 + 3.87 log X (g-dry cell weight (DCW) g-PU-1), 0.8 < X < 2.5. Maximum removal rate (Vm) for benzene declined with increasing biomass concentration at more than 0.8 g-DCW g-PU-1, and the following equation was obtained: Vm (g m-3 h-1) = 811 - 261 X (g-DCW g-PU-1), 0.8 < X < 2.5. The quantitative relationships obtained in this study can be applied to assess and optimize PU biofilter performance for long-term operation.",

keywords = "Biofilter, Biomass, Clogging, Pressure drop, Volatile organic compounds",

author = "Ryu, {Hee Wook} and Cho, {Kyung Suk} and Chung, {Dong Jin}",

year = "2010",

month = mar,

doi = "10.1016/j.biortech.2009.10.018",

language = "English",

volume = "101",

pages = "1745--1751",

journal = "Bioresource Technology",

issn = "0960-8524",

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AU - Ryu, Hee Wook

AU - Cho, Kyung Suk

AU - Chung, Dong Jin

PY - 2010/3

Y1 - 2010/3

N2 - In biofilters for controlling volatile organic compounds (VOCs), clogging in the filter bed due to overgrowth of biomass causes the deterioration of biofilter performance. In this study, the relationships between biofilter performance, biomass concentration (X), and pressure drop (ΔP) was qualitatively and quantitatively evaluated in a polyurethane (PU) biofilter. Benzene was used as a model VOC. The relationship between ΔP and X at a moisture content of 80-90% was expressed as log ΔP (mm H2Om-1) = 0.315 + 3.87 log X (g-dry cell weight (DCW) g-PU-1), 0.8 < X < 2.5. Maximum removal rate (Vm) for benzene declined with increasing biomass concentration at more than 0.8 g-DCW g-PU-1, and the following equation was obtained: Vm (g m-3 h-1) = 811 - 261 X (g-DCW g-PU-1), 0.8 < X < 2.5. The quantitative relationships obtained in this study can be applied to assess and optimize PU biofilter performance for long-term operation.

AB - In biofilters for controlling volatile organic compounds (VOCs), clogging in the filter bed due to overgrowth of biomass causes the deterioration of biofilter performance. In this study, the relationships between biofilter performance, biomass concentration (X), and pressure drop (ΔP) was qualitatively and quantitatively evaluated in a polyurethane (PU) biofilter. Benzene was used as a model VOC. The relationship between ΔP and X at a moisture content of 80-90% was expressed as log ΔP (mm H2Om-1) = 0.315 + 3.87 log X (g-dry cell weight (DCW) g-PU-1), 0.8 < X < 2.5. Maximum removal rate (Vm) for benzene declined with increasing biomass concentration at more than 0.8 g-DCW g-PU-1, and the following equation was obtained: Vm (g m-3 h-1) = 811 - 261 X (g-DCW g-PU-1), 0.8 < X < 2.5. The quantitative relationships obtained in this study can be applied to assess and optimize PU biofilter performance for long-term operation.

KW - Biofilter

KW - Biomass

KW - Clogging

KW - Pressure drop

KW - Volatile organic compounds

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EP - 1751

JO - Bioresource Technology

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ER -

Relationships between biomass, pressure drop, and performance in a polyurethane biofilter

Abstract

Keywords

UN SDGs

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