UnivTrevesV1, Main, Merge, bibRecord, 001097

Composition of organic matter in particle size fractionated pig slurry

Identifieur interne : 001097 ( Main/Merge ); précédent : 001096; suivant : 001098

Composition of organic matter in particle size fractionated pig slurry

Auteurs : Marc-Oliver Aust [Allemagne] ; Sören Thiele-Bruhn [Allemagne] ; Kai-Uwe Eckhardt [Allemagne] ; Peter Leinweber [Allemagne]

Source :

Bioresource technology [ 0960-8524 ] ; 2009.

RBID : Pascal:10-0223695

Descripteurs français

Pascal (Inist)
- Dimension particule, Lisier, Distribution dimension particule, Filtration, Mobilité, Porc, Matière organique, Matière organique dissoute.

English descriptors

KwdEn :
- Animal slurry, Dissolved organic matter, Filtration, Mobility, Organic matter, Particle size, Particle size distribution, Pig.

Abstract

Pig slurry is a heterogeneous mixture of different particle sizes that will have different mobility in soil. Therefore, a physically fractionated pig slurry sample was analysed, e.g. using pyrolysis-field ionisation mass spectrometry (Py-FIMS) in an effort to identify relationships between particle size and composition of organic matter. The presumably most mobile fractions in soils (<63 μm) accounted for ≃50% of slurry dry matter and were dominated by lignins, and N-containing compounds. Sterols were especially abundant in the larger-sized fractions, which corresponds to their reported distribution in soils and surface waters. The averaged molecular masses indicated similarities of fractions <10 μm to aquatic humic substances and increasing content of plant material with increasing particle size. A statistical analysis of the compound class distribution revealed that the analysis of three particle size fractions is essential for the assessment of the composition and properties of slurry constituents.

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Pascal:10-0223695

Le document en format XML

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<series><title level="j" type="main">Bioresource technology</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animal slurry</term>
<term>Dissolved organic matter</term>
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<term>Organic matter</term>
<term>Particle size</term>
<term>Particle size distribution</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Dimension particule</term>
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<term>Distribution dimension particule</term>
<term>Filtration</term>
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<term>Matière organique</term>
<term>Matière organique dissoute</term>
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<front><div type="abstract" xml:lang="en">Pig slurry is a heterogeneous mixture of different particle sizes that will have different mobility in soil. Therefore, a physically fractionated pig slurry sample was analysed, e.g. using pyrolysis-field ionisation mass spectrometry (Py-FIMS) in an effort to identify relationships between particle size and composition of organic matter. The presumably most mobile fractions in soils (<63 μm) accounted for ≃50% of slurry dry matter and were dominated by lignins, and N-containing compounds. Sterols were especially abundant in the larger-sized fractions, which corresponds to their reported distribution in soils and surface waters. The averaged molecular masses indicated similarities of fractions <10 μm to aquatic humic substances and increasing content of plant material with increasing particle size. A statistical analysis of the compound class distribution revealed that the analysis of three particle size fractions is essential for the assessment of the composition and properties of slurry constituents.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
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<tree><country name="Allemagne"><region name="Rhénanie-Palatinat"><name sortKey="Aust, Marc Oliver" sort="Aust, Marc Oliver" uniqKey="Aust M" first="Marc-Oliver" last="Aust">Marc-Oliver Aust</name>
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<name sortKey="Aust, Marc Oliver" sort="Aust, Marc Oliver" uniqKey="Aust M" first="Marc-Oliver" last="Aust">Marc-Oliver Aust</name>
<name sortKey="Eckhardt, Kai Uwe" sort="Eckhardt, Kai Uwe" uniqKey="Eckhardt K" first="Kai-Uwe" last="Eckhardt">Kai-Uwe Eckhardt</name>
<name sortKey="Leinweber, Peter" sort="Leinweber, Peter" uniqKey="Leinweber P" first="Peter" last="Leinweber">Peter Leinweber</name>
<name sortKey="Thiele Bruhn, Soren" sort="Thiele Bruhn, Soren" uniqKey="Thiele Bruhn S" first="Sören" last="Thiele-Bruhn">Sören Thiele-Bruhn</name>
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Composition of organic matter in particle size fractionated pig slurry

Composition of organic matter in particle size fractionated pig slurry

Source :

Descripteurs français

English descriptors

Abstract

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