Application of differential scanning calorimetry (DSC) to evaluate the quality of compost organic matter

Smidt, E.; Tintner, Johannes

doi:10.1016/j.tca.2007.04.011

Cited by 26 publications

(26 citation statements)

References 17 publications

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“…(dry matter) and humic acid contents between 15% and 45% o.d.m. (organic d. m.) (Diez and Krauss 1997;Smidt and Tintner 2007;Zethner et al 2000). Therefore, well-cured compost has a very high humus-reproduction value (VDLUFA 2004;Leithold et al 1997;Kolbe 2007).…”

Section: Soil Organic Mattermentioning

confidence: 99%

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Compost Use in Organic Farming

Erhart

Hartl

2010

Sustainable Agriculture Reviews

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Section: Soil Organic Mattermentioning

confidence: 99%

“…More than 90% of total compost N is bound to the organic N pool (Amlinger et al 2003a). Between 30% and 62% of the total N of biowaste and yard-waste composts are present in humic acids (Smidt and Tintner 2007).…”

Section: N Mineralizationmentioning

confidence: 99%

Compost Use in Organic Farming

Erhart

Hartl

2010

Sustainable Agriculture Reviews

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“…Several indices are essential for assessing the end-product condition; these include colour, odours, temperature, respirometric test, C/N, inorganic nitrogen, cation exchange capacity (CEC), germination index (GI). Other parameters like: moisture content, total organic carbon (TOC), humic-like substances (C HS , C HA , C FA ), total nitrogen content (TN), and different methodology, have also been used to determine the state of stability and/or maturity of these materials (Lasaridi et al, 2006;Lhadi et al, 2006;Smidt and Tinter 2007;Campitelli and Ceppi 2008a;Sellami et al, 2008;Xiaowei Li et al, 2011;Pognani et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Due to the beneficial properties that would produce the HA-like fraction, the most stable fraction of the HS, their characteristics are suggested as a quality parameter (Smidt and Tinter 2007;Senesi et al, 2007). Therefore, a better understanding of the structures evolution of HS is necessary in order to comprehend the natural process occurring along the maturation process (Fuentes et al, 2006;Romero et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

“…Some of these methodologies and techniques are: elemental and functional group analyses, spectroscopic measurements such as UV-Vis, FTIR and 13 CNMR, capillary zone electrophoresis (CZE), potentiometrics titrations, thermal analyses, fluorescence spectroscopy, among others, (Velasco et al, 2004;Pietro and Castaldi 2004;Peuravuori et al, 2004;Ceppi et al, 2005;Lguirati et al, 2005;Peuravuori et al, 2005;Campitelli et al, 2006;Lhadi et al, 2006;Grube et al, 2006;Senesi et al, 2007;Sen and Chandra 2007;Smidt and Tinter 2007;Plaza et al, 2008;Sellami et al, 2008;Campitelli and Ceppi 2008a;Fernandez et al, 2008;Vanifatova et al, 2008;Xiaowei Li et al, 2011;d`Orlyé and Reiller 2012).…”

Section: Introductionmentioning

confidence: 99%

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Characterization of humic acids derived from rabbit manure treated by composting-vermicomposting process

Campitelli¹,

Velasco²,

Ceppi³

2012

J. Soil Sci. Plant Nutr.

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The aim of this work was to evaluate, through different analytical techniques, the evolution of some chemical and physicochemical properties of humic acid (HA)-like fraction extracted from an organic amendment, like rabbit manure, handle with composting followed by vermicomposting process, in comparison with soil HA, in order to reach an appropriate criterion to evaluate the maturity of an organic amendment.The raw material used was rabbit manure treated with composting followed by vermicomposting process. Soil and organic amendments were analyzed by chemical properties. The HA was extracted from the amendments samples and from an Entic Haplustol and analyzed the chemical and physicochemical characteristics by several analytical methods. Through these analytical techniques was possible to follow the evolution of the HAlike fraction during this stabilization-maturation process Through the composting followed by vermicomposting process the HA-like fraction are evolving toward more stable and complex macromolecule resembling native soil HA.

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Digestion of cattle manure under mesophilic and thermophilic conditions: characterization of organic matter applying thermal analysis and 1H NMR

et al. 2010

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Digestion of cattle manure collected from a livestock farm together with bedding material (straw) has been studied under mesophilic and thermophilic conditions in batch reactors. The digestion was carried out for a prolonged period with the aim of evaluating the changes undergone by the organic matter. The mesophilic digestion carried out revealed a greater capacity to produce gas and transform organic matter, while a higher conversion rate, but a lower gas yield, was obtained under thermophilic conditions. Degradation of the organic matter was evaluated by means of thermal analysis and (1)H NMR. Stabilisation through anaerobic digestion (either mesophilic or thermophilic) resulted in an increase in the quality of the organic matter, as characterised by an enrichment in thermostable compounds, and an accumulation of long chain aliphatic materials. The experiments performed demonstrated the transformation of organic matter into complex materials under anaerobic conditions with an accumulation of aliphatic components under both types of conditions tested. Degradation through mesophilic digestion, in comparison to the thermophilic process, resulted in a greater destruction of straw particles.

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Application of differential scanning calorimetry (DSC) to evaluate the quality of compost organic matter

Cited by 26 publications

References 17 publications

Compost Use in Organic Farming

Compost Use in Organic Farming

Characterization of humic acids derived from rabbit manure treated by composting-vermicomposting process

Digestion of cattle manure under mesophilic and thermophilic conditions: characterization of organic matter applying thermal analysis and 1H NMR

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