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Organic silicon compounds in biogases produced from grass silage, grass and maize in laboratory batch assays

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Organic silicon compounds in biogases produced from grass silage, grass and maize in laboratory batch assays. / Rasi, S.; Seppälä, M.; Rintala, J.

julkaisussa: Energy, Vuosikerta 52, 01.04.2013, s. 137-142.

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Rasi, S. ; Seppälä, M. ; Rintala, J. / Organic silicon compounds in biogases produced from grass silage, grass and maize in laboratory batch assays. Julkaisussa: Energy. 2013 ; Vuosikerta 52. Sivut 137-142.

Bibtex - Lataa

@article{f8a56930ebd4468cb4629ef7f5ba6073,
title = "Organic silicon compounds in biogases produced from grass silage, grass and maize in laboratory batch assays",
abstract = "In the present study the occurrence of volatile organic silicon compounds in biogas produced from grass silage, grass and maize in laboratory batch assays was analyzed and methane potentials were determined. Inoculum from a mesophilic farm digester was used, and its effects were subtracted. Methane yields from grass silage, grass and maize were 0.38, 0.42 and 0.34 m3CH4/kg - volatile solids added (VSadd), respectively. Trimethyl silanol, hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) were detected from all the biogases. Higher yields of volatile organic silicon compounds in the grass (from 21.8 to 37.6 μg/kgVSadd) were detected than in grass silage or maize assays (from 14.7 to 20.4 and from 7.4 to 12.1 μg/kgVSadd, respectively). Overall, it is important to consider silicon-containing compounds also in biogases in energy crop digestion as the number of biogas plants using energy crops as feeding material increases and some biogas applications are sensitive to organic silicon compounds. {\circledC} 2013 Elsevier Ltd.",
keywords = "Anaerobic digestion, Biogas, Energy crops, Methane, Siloxanes",
author = "S. Rasi and M. Sepp{\"a}l{\"a} and J. Rintala",
note = "Contribution: organisation=keb,FACT1=1<br/>Portfolio EDEND: 2013-06-29<br/>Publisher name: Elsevier Ltd.",
year = "2013",
month = "4",
day = "1",
doi = "10.1016/j.energy.2013.01.015",
language = "English",
volume = "52",
pages = "137--142",
journal = "Energy",
issn = "0360-5442",
publisher = "Elsevier",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Organic silicon compounds in biogases produced from grass silage, grass and maize in laboratory batch assays

AU - Rasi, S.

AU - Seppälä, M.

AU - Rintala, J.

N1 - Contribution: organisation=keb,FACT1=1<br/>Portfolio EDEND: 2013-06-29<br/>Publisher name: Elsevier Ltd.

PY - 2013/4/1

Y1 - 2013/4/1

N2 - In the present study the occurrence of volatile organic silicon compounds in biogas produced from grass silage, grass and maize in laboratory batch assays was analyzed and methane potentials were determined. Inoculum from a mesophilic farm digester was used, and its effects were subtracted. Methane yields from grass silage, grass and maize were 0.38, 0.42 and 0.34 m3CH4/kg - volatile solids added (VSadd), respectively. Trimethyl silanol, hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) were detected from all the biogases. Higher yields of volatile organic silicon compounds in the grass (from 21.8 to 37.6 μg/kgVSadd) were detected than in grass silage or maize assays (from 14.7 to 20.4 and from 7.4 to 12.1 μg/kgVSadd, respectively). Overall, it is important to consider silicon-containing compounds also in biogases in energy crop digestion as the number of biogas plants using energy crops as feeding material increases and some biogas applications are sensitive to organic silicon compounds. © 2013 Elsevier Ltd.

AB - In the present study the occurrence of volatile organic silicon compounds in biogas produced from grass silage, grass and maize in laboratory batch assays was analyzed and methane potentials were determined. Inoculum from a mesophilic farm digester was used, and its effects were subtracted. Methane yields from grass silage, grass and maize were 0.38, 0.42 and 0.34 m3CH4/kg - volatile solids added (VSadd), respectively. Trimethyl silanol, hexamethylcyclotrisiloxane (D3), octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) were detected from all the biogases. Higher yields of volatile organic silicon compounds in the grass (from 21.8 to 37.6 μg/kgVSadd) were detected than in grass silage or maize assays (from 14.7 to 20.4 and from 7.4 to 12.1 μg/kgVSadd, respectively). Overall, it is important to consider silicon-containing compounds also in biogases in energy crop digestion as the number of biogas plants using energy crops as feeding material increases and some biogas applications are sensitive to organic silicon compounds. © 2013 Elsevier Ltd.

KW - Anaerobic digestion

KW - Biogas

KW - Energy crops

KW - Methane

KW - Siloxanes

UR - http://www.scopus.com/inward/record.url?scp=84875804553&partnerID=8YFLogxK

U2 - 10.1016/j.energy.2013.01.015

DO - 10.1016/j.energy.2013.01.015

M3 - Article

VL - 52

SP - 137

EP - 142

JO - Energy

JF - Energy

SN - 0360-5442

ER -