Regenerative Energie
SUMMARY:
Co-composting represents an opportune technology for use in the processing of biogenic waste materials. During composting the presence of humic substances is incremented. In view of the environmental benefits afforded by carbon sequestration and its positive effects on soil and plants humification represents a highly desirable target.
Lignin is a known precursor of humic substances; thus, co-composting of lignin with biogenous waste materials should result in a synergistic effect to promote and increase humification. Lab-scale experiments were carried out to show synergistic effects of microbiologically degraded wood and industrial lignins from different origins. The results obtained show that the addition of an industrial lignin by-product leads to higher humic acid contents in composts. Microbiologically degraded wood did not show any synergistic effect. Quality control of humic acids was carried out using FT-IR spectroscopy to prove that lignin was integrated into the humic acid molecule.
| Copyright: | © European Compost Network ECN e.V. |
| Quelle: | Orbit 2006 (September 2006) |
| Seiten: | 5 |
| Preis: | € 0,00 |
| Autor: | Dr. Katharina Meissl Dipl. Ing. Dr. Ena Smidt |
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Springer Vieweg | Springer Fachmedien Wiesbaden GmbH (5/2025)
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