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Ökobilanzen von Recycling-Phosphor-Düngemitteln

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Hörtenhuber, Stefan Josef; Theurl, Michaela C. and Möller, Kurt (2017) Ökobilanzen von Recycling-Phosphor-Düngemitteln. Paper at: 14. Wissenschaftstagung Ökologischer Landbau, Campus Weihenstephan, Freising-Weihenstephan, 07.-10. März 2017.

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Summary

Whereas fertilisers based on phosphate rock show a high abiotic resource depletion potential, phosphorous (P) recycling fertilisers such as struvite are related to a high
fossil primary energy demand. Compost can result in very high acidification, eutrophication and global warming potentials. Sewage sludge, its ash and P-recycling
fertilisers based thereon, Thomas phosphate or meat and bone meal as well as especially wood ash provide significantly lower environmental impacts but have partially other disadvantages, e.g. P-availability or pollutant accumulation. For future P-supply in agriculture, it is important to recover P from urban waste disposal. The life
cycle assessment (LCA) represents an important contribution to analyse strengths and weaknesses of P-recycling pathways.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:phosphorous recycling, sewage sludge, organic urban waste, life cycle assessment
Subjects: Soil > Soil quality
Crop husbandry > Composting and manuring
Food systems > Recycling, balancing and resource management
Soil > Nutrient turnover
Research affiliation: Austria > Univ. BOKU Wien
Austria > FiBL Austria
Germany > University of Hohenheim > Institute of Crop Science
International Conferences > 2017: Scientific Conference German Speaking Countries > Soil fertility
ISBN:978-3-89574-925-4
Deposited By: Hasreiter, Anna
ID Code:31899
Deposited On:04 Jul 2017 17:21
Last Modified:04 Jul 2017 17:21
Document Language:German/Deutsch
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Dieser Beitrag ist im Tagungsband der 14. Wissenschaftstagung erschienen.
S. Wolfrum, H. Heuwinkel, H.J. Reents, u.a. (Hrsg.) (2017): Ökologischen Landbau weiterdenken - Verantwortung übernehmen - Vertrauen stärken. Beiträge der 14. Wissenschaftstagung Ökologischer Landbau, Freising-Weihenstephan, 7.-10. März 2017
Verlag Dr. Köster, Berlin

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