Výsledky vyhledávání - "Sven Gjedde Sommer"

Akademický článek

Tracing N2O from dairy processing sludge amended soil with visualizing microscale heterogeneity of NH3 and pH (Short Communication)

Autor: Yihuai Hu, Theresa Merl, Johanna Pedersen, Marie Louise Bornø, Azeem Tariq, Klaus Koren, Sven Gjedde Sommer

Publikováno v: Atmospheric Environment: X, Vol 23, Iss , Pp 100283- (2024)

Nitrous oxide (N2O) emissions from organic waste and animal slurry contribute to climate change and endanger our ecosystems. For the development of efficient mitigation technologies, in-depth knowledge of emission processes is needed. This can be obt

Externí odkaz: https://doaj.org/article/df0f56610a37497b9b7c2955123544b0

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Akademický článek

Urea Ammonium Nitrate Solution Treated with Inhibitor Technology: Effects on Ammonia Emission Reduction, Wheat Yield, and Inorganic N in Soil

Autor: Michael Thorstein Nikolajsen, Andreas Siegfried Pacholski, Sven Gjedde Sommer

Publikováno v: Agronomy, Vol 10, Iss 2, p 161 (2020)

Urea is the most used fertilizer nitrogen (N), and is often applied as urea ammonium nitrate (UAN), which may be an ammonia (NH3) emission source after application. This study examined whether the addition of urease inhibitors reduced NH3 emission, a

Externí odkaz: https://doaj.org/article/525ae5d3cfee4e338e84b01ead0c1101

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Akademický článek

Decision Support for the Construction of Farm-Scale Biogas Digesters in Developing Countries with Cold Seasons

Autor: Sven Gjedde Sommer, Charlotte Rennuit

Publikováno v: Energies, Vol 6, Iss 10, Pp 5314-5332 (2013)

Biogas production is a clean renewable energy source that can improve lives in developing countries. However, winter temperatures in some areas are too low to enable enough biogas production in small unheated digesters to meet the energy requirements

Externí odkaz: https://doaj.org/article/eeb4025eedbb4fe9b04559fc19a7b17c

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Optical Chemical Sensors for Soil Analysis: Possibilities and Challenges of Visualizing NH3 Concentrations as well as pH and O2 Microscale Heterogeneity

Autor: Theresa Merl, Yihuai Hu, Johanna Pedersen, Silvia E. Zieger, Marie Louise Bornø, Azeem Tariq, Sven Gjedde Sommer, Klaus Koren

Agricultural nitrogen (N) application to soils is the main source of atmospheric ammonia (NH3) emissions. Ammonia negatively impacts the environment on a large scale. These emissions are affected by spatiotemporal heterogeneities of parameters within

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a7475434895d99511a658e3e6579b1db
https://doi.org/10.26434/chemrxiv-2022-2zx46

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Effects of dairy processing sludge and derived biochar on greenhouse gas emissions from Danish and Irish soils

Autor: Yihuai Hu, Tobias Pape Thomsen, Owen Fenton, Sven Gjedde Sommer, Wenxuan Shi, Wenjing Cui

Publikováno v: Hu, Y, Thomsen, T P, Fenton, O, Sommer, S G, Shi, W & Cui, W 2023, ' Effects of dairy processing sludge and derived biochar on greenhouse gas emissions from Danish and Irish soils ', Environmental Research, vol. 216, no. Part 2, 114543 . https://doi.org/10.1016/j.envres.2022.114543

Globally, to ensure food security bio-based fertilizers must replace a percentage of chemical fertilizers. Such replacement must be deemed sustainable from agronomic and greenhouse gas (GHG) emission perspectives. For agronomic performance several co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54cfbf25146a27d248bb4bff8ebf1586
https://pubmed.ncbi.nlm.nih.gov/36252841

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Ammonia flux – reference methods

Autor: Sven Gjedde Sommer

Publikováno v: Sommer, S G 2017, ' Ammonia flux – reference methods ', International Expert Workshop on Nitrogen Flux Method Evaluation, Berlin, Germany, 28/09/2017-29/09/2017 .
University of Southern Denmark

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::33e28bedc499d945e2d976112cb048cd
https://portal.findresearcher.sdu.dk/da/publications/1eeb368f-34e4-408a-a10e-1d420ebdaf55

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Industrial wastewater for biogas production: Use of tannery wastewater as an alternative substrate and a pre-treatment medium

Autor: Ali Heidarzadeh Vazifehkhoran, Seong Gu Shin, Sven Gjedde Sommer, Jin Mi Triolo

Publikováno v: Vazifehkhoran, A H, Shin, S G, Sommer, S G & Triolo, J M 2017, ' Industrial wastewater for biogas production: Use of tannery wastewater as an alternative substrate and a pre-treatment medium ' .
University of Southern Denmark

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::4a3ed24bf16273b18efd51a6f561b869
https://portal.findresearcher.sdu.dk/da/publications/8dc81f7c-ecbc-41e5-b03b-a1fe8933e0f7

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Choosing co-substrates to supplement biogas production from animal slurry – A life cycle assessment of the environmental consequences

Autor: Svend Christensen, Sander Bruun, Giovanna Croxatto Vega, Marieke Ten Hoeve, Sven Gjedde Sommer, Morten Birkved

Publikováno v: Croxatto, V GC, ten Hoeve, M, Birkved, M, Sommer, S G & Bruun, S 2014, ' Choosing co-substrates to supplement biogas production from animal slurry : a life cycle assessment of the environmental consequences ', Bioresource Technology, vol. 171, pp. 410-420 . https://doi.org/10.1016/j.biortech.2014.08.099

Biogas production from animal slurry can provide substantial contributions to reach renewable energy targets, yet due to the low methane potential of slurry, biogas plants depend on the addition of co-substrates to make operations profitable. The env

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3087bde9be97f3e60609220e25f3bf32
https://doi.org/10.1016/j.biortech.2014.08.099

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Predicting ammonia loss from field-applied manure - The ALFAM2 project

Autor: Hafner, Sasha D., Pedersen, S. V., Sven Gjedde Sommer, Pacolski, A.

Publikováno v: Hafner, S D, Pedersen, S V, Sommer, S G & Pacolski, A 2015, Predicting ammonia loss from field-applied manure-The ALFAM2 project . in I Körner (ed.), Proceedings of the 16th International RAMIRAN Conference . TuTech Verlag, Hamburg, Germany, 08/09/2015 .
Aarhus University

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::1a0fc2924d7cfeafc4a23fca7e823804
https://pure.au.dk/portal/da/publications/predicting-ammonia-loss-from-fieldapplied-manure--the-alfam2-project(9806c2e8-97a6-4ad3-b4de-f4007f4527c1).html

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Solid-Liquid Separation of Animal Slurry in Theory and Practise: A Review

Autor: Maibritt Hjorth, Knud Villy Christensen, Morten Lykkegård Christensen, Sven Gjedde Sommer

Publikováno v: Hjorth, M, Christensen, K V, Lykkegård Christensen, M & Sommer, S G 2011, Solid-Liquid Separation of Animal Slurry in Theory and Practise: A Review . in E Lichtfouse, M Hamelin, M Navarrete & P Debaeke (eds), Sustainable Agriculture . 1 edn, vol. 2, Springer, Dordrecht, pp. 953-986 .
University of Southern Denmark

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::46e27e0859cf8438966e30a7a94b47a9
https://portal.findresearcher.sdu.dk/da/publications/4c67d52c-d850-4562-813f-527637def1ca

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