Publications

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Huffel, K. V., Hansen, M. J., Feilberg, A., Liu, D. & Langenhove, H. V. L. (2016). Level and distribution of odorous compounds in pig exhaust air from combined room and pit ventilation. Agriculture, Ecosystems & Environment, 218, 209-219. https://doi.org/10.1016/j.agee.2015.11.020

Sommer, S. G., Pedersen, J., Hafner, S. D. & Pacholski, A. S. (2023). Let's improve ammonia emission models for field-applied manure. Abstract fra RAMIRAN, Cambridge, Storbritannien.

Ward, A. J., Ottosen, L. D. M., Voigt, N. V., Kofoed, M. V. W., Mulat, D. G. & Feilberg, A. (2014). Large scale addition of hydrogen to anaerobic digesters. Poster-session præsenteret på Energy and Environment for the Future, Copenhagen, Danmark.

Lemes, Y. M., Kamp, J. N., Garcia Perez, P., Nyord, T. & Feilberg, A. (2022). Large potential for mitigation of methane emissions from slurry tanks with early tank acidification. Abstract fra 8th International Greenhouse Gas & Animal Agriculture Conference, Orlando, USA.

Nørremark, M., Hansen, M. J., Børsting, C. F., Ottosen, C.-O. & Jensen, P. K., (2023). Landbrugsteknisk hjælp til besvarelse af høringssvar til Miljø- og klimateknologi 2023, Nr. 2023-0543309, 41 s., sep. 19, 2023. Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug

Liu, D., Hansen, M. J., Guldberg, L. B. & Feilberg, A. (2012). Kinetic Evaluation of Removal of Odorous Contaminants in a Three-Stage Biological Air Filter. Environmental Science & Technology, 46(15), 8261–8269. https://doi.org/10.1021/es301295m

Hansen, M. J., Lund Kasper, P., Adamsen, A. P. S. & Feilberg, A. (2018). Key Odorants from Pig Production Based on Improved Measurements of Odor Threshold Values Combining Olfactometry and Proton-Transfer-Reaction Mass Spectrometry (PTR-MS). Sensors (Switzerland), 18(3), Artikel 788. https://doi.org/10.3390/s18030788

Adamsen, A. P. S., Kai, P., Hansen, M. J., Callesen, G. M. & Jacobsen, B. H., (2022). Kemisk luftrensning i grisestalde – Teknologibeskrivelse udarbejdet som grundlag for revidering af Husdyrgodkendelsesbekendtgørelsens BAT-krav, Nr. 2022-0448030, 41 s., nov. 24, 2022. Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug

Kamp, J. N., Kai, P. & Hansen, M. N., (2025). Kapitel 9 Tab under lagring af husdyrgødning - Normtal for husdyrgødning 2025/2026, Nr. 2024-0647366, 2025-0914516, 23 s., dec. 15, 2025. Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug

Kai, P., Hansen, M. J., Holm, M., Freudendal, A. J. & Jensen, H. B., (2025). Kapitel 8 Tab af næringsstoffer fra stalde – Normtal for husdyrgødning 2025/2026, Nr. 2024-0647366, 2025-0914511, 93 s., dec. 15, 2025. Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug

Løkke, M. M., Edelenbos, M., Larsen, E. & Feilberg, A. (2012). Investigation of Volatiles Emitted from Freshly Cut Onions (Allium cepa L.) by Real Time Proton-Transfer Reaction-Mass Spectrometry (PTR-MS). Sensors, 12(12), 16060-16076. https://doi.org/10.3390/s121216060

Garcia Perez, P., Støckler, A. H., Feilberg, A. & Kamp, J. N. (2024). Investigation of non-target gas interferences on a multi-gas cavity ring-down spectrometer. Atmospheric Environment: X, 22, Artikel 100258. https://doi.org/10.1016/j.aeaoa.2024.100258

Hafner, S. D., Madsen, J. T., Pedersen, J. M. & Rennuit, C. (2018). Inter-stage thermophilic aerobic digestion may increase organic matter removal from wastewater sludge without decreasing biogas production. Water Science and Technology, 77(3), 721-726. https://doi.org/10.2166/wst.2017.590

Hansen, M. J., Garcia Perez, P., Guldberg, L. B., Feilberg, A., Aarestrup Moustsen, V. & Seddon, Y. (2023). Interaction between increased animal welfare and emissions from pig houses. Abstract fra Air Quality Measurement Methods and Technology, Air & Waste Management Association, Durham, North Carolina, USA.

Hänsel, A., Isa Adamu, A., Markos, C., Feilberg, A., Bang, O. & Heck, M. (2020). Integrated Ammonia Sensor Using a Telecom Photonic Integrated Circuit and a Hollow Core Fiber. Photonics, 7(4), 1-10. Artikel 93. https://doi.org/10.3390/photonics7040093

Dos Reis Vechi, N., Agneessens, L., Ottosen, L. D. M., Feilberg, A. & Kofoed, M. V. W. (2018). In situ biogas upgrading: contribution of homoacetogenesis to methane production. Poster-session præsenteret på European Biomass Conference and Exhibition, Copenhagen, Danmark. http://programme.eubce.com/abstract.php?idabs=15852&idses=776&idtopic=12

Huertas-Díaz, L., Vestergaard, L. G., Marietou, A., Irla, M., Behr, J., Somoza, M. M., Feilberg, A. & Schwab, C. (2025). Insights into the utilisation of 1,2-propanediol and interactions with the cell envelope of Clostridium perfringens. Gut Pathogens, 17(1), Artikel 23. https://doi.org/10.1186/s13099-025-00689-1

Kai, P., Brask, M. J., Hansen, M. J., Dalby, F. R., Kamp, J. N. & Pedersen, J., (2025). Input til vidensindsamling som grundlag for udarbejdelse af ensartede betingelser for driftsregler for husdyrbrug (UCOL) jævnfør artikel 70i i IE-direktiv 2024/1785 (IED-2.0), Nr. 2025-0842466, 91 s., jul. 01, 2025. Rådgivningsnotat fra DCA - Nationalt Center for Fødevarer og Jordbrug

Wang, R., Dalby, F. R. & Hansen, M. J. (2025). Inoculum amount and material freshness drive organic degradation and methane emissions in pig slurry: insights from untargeted metabolomics. Abstract fra RAMIRAN 2025, Wageningen, Holland.

Feilberg, A., Bildsøe, P. & Adamsen, A. P. S. (2015). Influence of surface processes on gaseous emissions from manure slurry – Surface oxidation and pH gradient. I I. Körner (red.), RAMIRAN 2015 - 16th International Conference Rural-Urban Symbiosis: Proceedings Book (s. 334-337). Artikel TC-O_11 TuTech Innovation GmbH, Hamburg. https://doi.org/10.15480/882.1297

Feilberg, A., Bildsøe, P. & Adamsen, A. P. S. (2015). Influence of surface processes on gaseous emissions from manure slurry - Surface oxidation and pH gradient. I RAMIRAN 2015 - 16th International Conference Rural-Urban Symbiosis: Abstract Book (s. 95-95). Artikel TC-O_11 TuTech Innovation GmbH, Hamburg. http://ramiran2015.de/wp-content/uploads/2016/01/RAMIRAN2015_Abstract-Book.pdf

Sørensen, S. B., Dalby, F. R., Olsen, S. K. & Kristensen, K. (2024). Influence of Germicidal UV (222 nm) Lamps on Ozone, Ultrafine Particles, and Volatile Organic Compounds in Indoor Office Spaces. Environmental Science and Technology, 58(45), 20073-20080. https://doi.org/10.1021/acs.est.4c03903

Sattarova, E., Hansen, M. J., Jørgensen, H., Lund, P., Knudsen, K. E. B., Nørgaard, J. V. & Møller, H. B. (2025). Influence of fiber type on enteric methane production from growing-finishing pigs and subsequent biochemical methane potential of excreted feces. Animal Feed Science and Technology, 320, Artikel 116228. https://doi.org/10.1016/j.anifeedsci.2025.116228

Hansen, M. J., Chwalibog, A., Tauson, A.-H. & Sawosz, E. (2006). Influence of different fibre sources on digestibility and nitrogen and energy balances in growing pigs. Archives of Animal Nutrition, 60(5), 390-401. https://doi.org/10.1080/17450390600884385

Hansen, M. J., Chwalibog, A. & Tauson, A.-H. (2006). Influence of different fibre sources in diets for growing pigs on chemical composition of faeces and slurry and ammonia emission from slurry. Animal Feed Science and Technology, 134(3-4), 326-336. https://doi.org/10.1016/j.anifeedsci.2006.08.021

Hafner, S. D., Pedersen, J., Fuss, R., Kamp, J. N., Dalby, F. R., Amon, B., Pacholski, A., Adamsen, A. P. S. & Sommer, S. G. (2025). Improved tools for estimation of ammonia emission from field-applied animal slurry: Refinement of the ALFAM2 model and database. Atmospheric Environment, 340, Artikel 120910. https://doi.org/10.1016/j.atmosenv.2024.120910

Hansen, M. J., Ulrich Hansen, L., Stubkjær Adamsen, A. P., Friis Pedersen, E. & Feilberg, A. (2018). Improved slurry system for pig houses with straw application. I CIGR 2018: XIX. World Congress of CIGR (Commission Internationale du Génie Rural) : Sustainable Life for Children - Program and Abstracts' Book (s. 62-62). Artikel OP-022 CIGR. http://eprints.lancs.ac.uk/126327/1/CIGR_2018_Abstract_Proceeding.pdf

Fuchs, A., Dalby, F. R., Liu, D., Kai, P. & Feilberg, A. (2021). Improved effect of manure acidification technology for gas emission mitigation by substituting sulfuric acid with acetic acid. Cleaner Engineering and Technology, 4, Artikel 100263. https://doi.org/10.1016/j.clet.2021.100263

Feng, L., Bonne Guldberg, L., Jørgen Hansen, M., Ma, C., Vinther Ohrt, R. & Bjarne Møller, H. (2022). Impact of slurry removal frequency on CH₄ emission and subsequent biogas production; a one-year case study. Waste Management, 149, 199-206. https://doi.org/10.1016/j.wasman.2022.06.024

Lund Kasper, P., Hansen, M. J. & Feilberg, A. (2018). Impact of Saturation Effects during Dynamic Olfactometry on Low-Concentration Environmental Odour Samples. Chemical Engineering Transactions, 68, 37-42. https://doi.org/10.3303/CET1868007

Ambrose, H. W., Feilberg, A., Schwab, C. & Kofoed, M. V. W. (2025). Impact of chemical and biological additives on microbial community and methane emissions in pig slurry storage. 41. Abstract fra 13th International Symposium on Anaerobic Microbiology, Leipzig, Tyskland.

Dos Reis Vechi, N., Agnessens, L. M., Feilberg, A., Ottosen, L. D. M. & Kofoed, M. V. W. (2021). In situ biomethanation: Inoculum origin influences acetate consumption rate during hydrogen addition. Bioresource Technology Reports, 14, Artikel 100656. https://doi.org/10.1016/j.biteb.2021.100656

Mosbæk, F., Kjeldal, H., Mulat, D. G., Albertsen, M., Ward, A. J., Feilberg, A. & Nielsen, J. (2016). Identification of syntrophic acetate-oxidizing bacteria in anaerobic digesters by combined protein-based stable isotope probing and metagenomics. The ISME Journal, 10(10), 2405-2418. https://doi.org/10.1038/ismej.2016.39

Hafner, S. D., Møller, H. B., Dalby, F. R., Romio, C. & Adamsen, A. P. S. (2025). How management affects methane emission from stored digestate: insights from coupling heat transfer and microbial models. Abstract fra RAMIRAN 2025, Wageningen, Holland.

Kamp, J. N., Dalby, F. R., Hansen, M. J. & Feilberg, A. (2019). High temperature PTR-TOF-MS for EC flux measurements of VOCs. I A. Hansel & J. Dunkl (red.), Proceedings of the 8th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications (s. 216-219). Innsbruck University Press. https://www.ionicon.com/sites/default/files/uploads/doc/Contributions_8th-PTR-MS-Conference-2019_web.pdf#page=217

Vazifehkhoran, A. H., Pedersen, J., Hansen, M. J., Guldberg, L. B., Svane, S., Kaaring, H. & Feilberg, A. (2022). Greenhouse gas mitigation using sustainable additives and technologies for pig manure in livestock and storage facility. Abstract fra The XX CIGR World Congress 2022, Kyoto, Japan.

Støckler, A. H., Kamp, J. N., Feilberg, A., Dalby, F. R., Hafner, S. D. & Pedersen, J. (2025). Greenhouse gas emissions from storage of untreated pig slurry, digestate and the corresponding liquid fractions after solid-liquid separation. Journal of Environmental Management, 390, Artikel 126333. https://doi.org/10.1016/j.jenvman.2025.126333

Mulat, D. G. & Feilberg, A. (2015). GC/MS method for determining carbon isotope enrichment and concentration of underivatized short-chain fatty acids by direct aqueous solution injection of biogas digester samples. Talanta, 143, 56-63. https://doi.org/10.1016/j.talanta.2015.04.065

Andersen, K. B., Glasius, M. & Feilberg, A. (2014). Gas/particle partitioning of odorants in a pig house measured by thermal desorption GC/MS. Environmental Science: Processes & Impacts, 16(5). https://doi.org/10.1039/c3em00444a

Sommer, S. G. & Feilberg, A. (2013). Gaseous Emissions of Ammonia and Malodorous Gases. I S. G. Sommer, M. L. Christensen, T. Schmidt & L. S. Jensen (red.), Animal Manure Recycling: Treatment and Management (s. 131-151). John Wiley and Sons, Ltd..

Kamp, J. N., Sørensen, M. K. & Pedersen, J. (2025). Full-Scale Slurry Tank Sampling: Effects of Sampling Strategy and Sample Storage on Measured Physical and Chemical Properties. https://cdn.aanmelderusercontent.nl/i/doc/56e2eb7cb3bdd6a3c5a48835dedb4046

Kamp, J. N., Sørensen, M. K. & Pedersen, J. (2026). Full-scale slurry tank sampling: Effects of sampling strategy and sample storage on measured physical and chemical properties. Journal of Environmental Quality (Online), 55(1), Artikel e70128. https://doi.org/10.1002/jeq2.70128

Lemes Perschke, Y. M., Garcia Perez, P., Nyord, T., Feilberg, A. & Kamp, J. N. (2022). Full-Scale Investigation of Methane and Ammonia Mitigation by Early Single-Dose Slurry Storage Acidification. ACS Agricultural Science and Technology, 2(6), 1196-1205. https://doi.org/10.1021/acsagscitech.2c00172

Feilberg, A., Jonassen, K., Hansen, M. J. & Adamsen, A. P. S. (2016). Full scale assessment of odor abatement technology by proton-transfer-reaction mass spectrometry.. Abstract fra International Conference on Agricultural Engineering 2016, Aarhus, Danmark.

Hansen, M. J., Guldberg, L. B. & Feilberg, A. (2022). Frequent Removal of Slurry Reduces Methane Emission from Pig Houses. 139-139. Abstract fra 8th International Greenhouse Gas & Animal Agriculture Conference, Orlando, USA. https://conference.ifas.ufl.edu/ggaa/

Hansen, M. J. & Guldberg, L. B. (2021). Frequent flushing of slurry lowers the emission of methane from pig houses. Abstract fra National workshop on Technologies for a Danish Zero Greenhouse Gas Emission Agriculture (ZEA), Middelfart, Danmark.

Ma, C., Guldberg, L. B., Hansen, M. J., Feng, L. & Petersen, S. O. (2023). Frequent export of pig slurry for outside storage reduced methane but not ammonia emissions in cold and warm seasons. Waste Management, 169, 223-231. https://doi.org/10.1016/j.wasman.2023.07.014

Adamsen, A. P. S., Sommer, S. G., Feilberg, A. & Nyord, T., (2020). Forsuring af flydende husdyrgødning og afgasset biomasse ifbm. udbringning, Nr. 2020-0055171, 7 s., aug. 31, 2020.

Yu , W., in 'T Veld, M., Bossi, R., Ateia, M., Tobler, D. J., Feilberg, A., Bovet, N. E. & Johnson, M. S. (2021). Formation of Formaldehyde and Other Byproducts by TiO2 Photocatalyst Materials. Sustainability, 13(9), Artikel 4821. https://doi.org/10.3390/su13094821

Andersen, T. A., Mikkelsen, M. H., Gyldenkærne, S., Brask, M. J., Børsting, C. F., Adamsen, A. P. S., Dalby, F. R., Hafner, S. D., Priess, M. R. & Dalgaard, T. (2025). FORBEDRET GRUNDLAG FOR OPGØRELSER AF LANDBRUGETS EMISSIONER PÅ BEDRIFTS- OG NATIONALT NIVEAU: Afrapportering på projektet ’Forbedret grundlag for opgørelser af landbrugets emissioner af drivhusgasser og ammoniak på bedrifts- og nationalt niveau'. (671 udg.) Aarhus University, DCE - Danish Centre for Environment and Energy. Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi Nr. 671 https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Videnskabelige_rapporter_600-699/SR671.pdf

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Anders Feilberg