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Beltran, I., van der Weerden, T. J., Alfaro, M. A., Amon, B., de Klein, C. A. M., Grace, P., Hafner, S., Hassouna, M., Hutchings, N., Krol, D. J., Leytem, A. B., Noble, A., Salazar, F., Thorman, R. E. & Velthof, G. L. (2021). DATAMAN: A global database of nitrous oxide and ammonia emission factors for excreta deposited by livestock and land-applied manure. Journal of Environmental Quality, 50(2), 513-527. https://doi.org/10.1002/jeq2.20186

Mortensen, J. R., Ward, A. J., Weisbjerg, M. R., Hafner, S. D. & Møller, H. B. (2021). Determination of nitrogen and sulphur mineralization in batch and semi-continuous anaerobic digestion using an artificial fiber bag technique. Energies, 14(14), Article 4205. https://doi.org/10.3390/en14144205

Pedersen, J. M., Andersson, K., Feilberg, A., Delin, S., Hafner, S. D. & Nyord, T. (2021). Effect of exposed surface area on ammonia emissions from untreated, separated, and digested cattle manure. Biosystems Engineering, 202, 66-78. https://doi.org/10.1016/j.biosystemseng.2020.12.005

Dalby, F. R., Nikolausz, M., Hansen, M. J. & Feilberg, A. (2021). Effects of combined tannic acid/fluoride on sulfur transformations and methanogenic pathways in swine manure. PLOS ONE, 16(9), Article e0257759. https://doi.org/10.1371/journal.pone.0257759

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, Article 100263. https://doi.org/10.1016/j.clet.2021.100263

Kai, P., Tybirk, P., Holm, M., Jensen, H. B. & Bæksgaard, H. (2021). Tab af næringsstoffer fra stalde: normtal for husdyrgødning 2021/2022. In Normtal 2021 + baggrundsmateriale Århus Universitet. https://anis.au.dk/fileadmin/DJF/Anis/dokumenter_anis/normtal/Normtal_lagt_paa_i_2022/Kap_8_Stalde_2021-22_med_datablad.pdf

Kai, P., Nyord, T. & Hansen , M. N. (2021). Tab under lagring af husdyrgødning: normtal for husdyrgødning 2021/2022. In Normtal 2021 + baggrundsmateriale Århus Universitet. https://anis.au.dk/fileadmin/DJF/Anis/dokumenter_anis/normtal/Normtal_lagt_paa_i_2022/Kap_9_Lager_2021_med_datablad.pdf

Dalby, F. R., Hafner, S. D., Petersen, S. O., VanderZaag, A. C., Habtewold, J., Dunfield, K., Chantigny, M. H. & Sommer, S. G. (2021). Understanding methane emission from stored animal manure: A review to guide model development. Journal of Environmental Quality, 50(4), 817-835. https://doi.org/10.1002/jeq2.20252

Pedersen, J. M., Feilberg, A., Kamp, J. N., Hafner, S. & Nyord, T. (2020). Ammonia emission measurement with an online wind tunnel system for evaluation of manure application techniques. Atmospheric Environment, 230, Article 117562. https://doi.org/10.1016/j.atmosenv.2020.117562

Dalby, F. R., Hansen, M. J., Feilberg, A., Kümmel, S. & Nikolausz, M. (2020). Effect of tannic acid combined with fluoride and lignosulfonic acid on anaerobic digestion in the agricultural waste management chain. Bioresource Technology, 307, Article 123171. https://doi.org/10.1016/j.biortech.2020.123171

Hafner, S. D., de Laclos, H. F., Koch, K. & Holliger, C. (2020). Improving inter-laboratory reproducibility in measurement of biochemical methane potential (BMP). Water (Switzerland), 12(6), Article 1752. https://doi.org/10.3390/w12061752

Hansen, M. J., Kamp, J. N., Adamsen, A. P. S. & Feilberg, A. (2020). Low-emission slurry pits for pig houses with straw application. Biosystems Engineering, 197, 56-63. https://doi.org/10.1016/j.biosystemseng.2020.06.003

Dalby, F. R., Fuchs, A. & Feilberg, A. (2020). Methanogenic pathways and δ ¹³C values from swine manure with a cavity ring-down spectrometer: Ammonia cross-interference and carbon isotope labeling. Rapid Communications in Mass Spectrometry, 34(7), Article e8628. https://doi.org/10.1002/rcm.8628

Dalby, F. R. (2020). Mitigation of Microbially Mediated Gas Emissions from Livestock Waste. Århus Universitet.

Liu, D., Rong, L., Kamp, J. N., Kong, X., Adamsen, A. P. S., Chowdhury, A. & Feilberg, A. (2020). Photoacoustic measurement may significantly overestimate NH3 emissions from cattle houses due to VOC interferences. Atmospheric Measurement Techniques Discussions, 13, 259-272. https://doi.org/10.5194/amt-2018-412, https://doi.org/10.5194/amt-13-259-2020

Liu, D., Rong, L., Kamp, J., Kong, X., Adamsen, A. P. S., Chowdhury, A. & Feilberg, A. (2020). Photoacoustic measurement with infrared band-pass filters significantly overestimates NH₃ emissions from cattle houses due to volatile organic compound (VOC) interferences. Atmospheric Measurement Techniques, 13(1), 259-272. https://doi.org/10.5194/amt-13-259-2020

Koch, K., Hafner, S. D., Weinrich, S., Astals, S. & Holliger, C. (2020). Power and Limitations of Biochemical Methane Potential (BMP) Tests. Frontiers in Energy Research, 8, Article 63. https://doi.org/10.3389/fenrg.2020.00063

Damborg, V. K., Jensen, S. K., Weisbjerg, M. R., Adamsen, A. P. & Stødkilde, L. (2020). Screw-pressed fractions from green forages as animal feed: Chemical composition and mass balances. Animal Feed Science and Technology, 261, Article 114401. https://doi.org/10.1016/j.anifeedsci.2020.114401

Dalby, F. R., Svane, S., Sigurdarson, J. J., Sørensen, M. K., Hansen, M. J., Karring, H. & Feilberg, A. (2020). Synergistic Tannic Acid-Fluoride Inhibition of Ammonia Emissions and Simultaneous Reduction of Methane and Odor Emissions from Livestock Waste. Environmental Science & Technology, 54(12), 7639-7650. https://doi.org/10.1021/acs.est.0c01231

Hafner, S. D., Pacholski, A., Bittman, S., Carozzi, M., Chantigny, M., Génermont, S., Häni, C., Hansen, M. N., Huijsmans, J., Kupper, T., Misselbrook, T., Neftel, A., Nyord, T. & Sommer, S. G. (2019). A flexible semi-empirical model for estimating ammonia volatilization from field-applied slurry. Atmospheric Environment, 199, 474-484. https://doi.org/10.1016/j.atmosenv.2018.11.034

Feilberg, A., Dalby, F. R., Hansen, M. J., Dos Reis Vechi, N. & Agneessens, L. (2019). Application of PTRMS and stable isotopes to identify microbial processes in fermenters and manure. In A. Hansel & J. Dunkl (Eds.), Proceedings of the 8th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications (pp. 129-133). Innsbruck University Press. https://www.ionicon.com/sites/default/files/uploads/doc/Contributions_8th-PTR-MS-Conference-2019_web.pdf

Kai, P. & Zhang, G. (2019). Best Available Techniques (BAT) for Emission Reduction of Livestock Farming Industry in Denmark. In 2019 International Symposium of Animal Environment and Welfare

Bjerg, B. & Kai, P. (2019). CFD prediction of heat transfer in heated or cooled concrete floors in laying areas for pig. In 2019 ASABE Annual International Meeting American Society of Agricultural and Biological Engineers. https://doi.org/10.13031/aim.201900735

Justesen, C. G., Astals, S., Mortensen, J. R., Thorsen, R., Koch, K., Weinrich, S., Triolo, J. M. & Hafner, S. D. (2019). Development and Validation of a Low-Cost Gas Density Method for Measuring Biochemical Methane Potential (BMP). Water, 11(12), Article 2431. https://doi.org/10.3390/w11122431

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

Koch, K., Hafner, S. D., Weinrich, S. & Astals, S. (2019). Identification of Critical Problems in Biochemical Methane Potential (BMP) Tests From Methane Production Curves. Frontiers in Environmental Science, 7, Article 178. https://doi.org/10.3389/fenvs.2019.00178

Kamp, J. N., Chowdhury, A., Adamsen, A. P. S. & Feilberg, A. (2019). Negligible influence of livestock contaminants and sampling system on ammonia measurements with cavity ring-down spectroscopy. Atmospheric Measurement Techniques, 12(5), 2837-2850. https://doi.org/10.5194/amt-12-2837-2019

Hafner, S. D. & Astals, S. (2019). Systematic error in manometric measurement of biochemical methane potential: Sources and solutions. Waste Management, 91, 147-155. https://doi.org/10.1016/j.wasman.2019.05.001

Kai, P., Hansen, M. J. & Jonassen, K. (2018). Application Of Best Available Technique (BAT) For Emission Reduction Of Livestock Industry In Denmark. In Book of Abstracts of the European Conference on Agriculatural Engineering: AgEng2018 (pp. 84). Wageningen University. https://doi.org/10.18174/471678

Dalby, F. R., Hansen, M. J. & Feilberg, A. (2018). Application of Proton-Transfer-Reaction Mass Spectrometry (PTR-MS) and 33S Isotope Labeling for Monitoring Sulfur Processes in Livestock Waste. Environmental Science & Technology, 52(4), 2100-2107. https://doi.org/10.1021/acs.est.7b04570

Rennuit, C., Triolo, J. M., Eriksen, S., Jimenez, J., Carrère, H. & Hafner, S. D. (2018). Comparison of pre- and inter-stage aerobic treatment of wastewater sludge: Effects on biogas production and COD removal. Bioresource Technology, 247, 332-339. https://doi.org/10.1016/j.biortech.2017.08.128

Pedersen, S. V., di Perta, E. S., Hafner, S. D., Pacholski, A. S. & Sommer, S. G. (2018). Evaluation of a Simple, Small-Plot Meteorological Technique for Measurement of Ammonia Emission: Feasibility, Costs, and Recommendations. Transactions of the ASABE, 61(1), 103-115. https://doi.org/10.13031/trans.12445

Dalby, F. R., Hansen, M. J. & Feilberg, A. (2018). Evidence of Hydrogen Sulfide Oxidation in Manure Surface. In CIGR 2018 - XIX. World Congress of CIGR (Commission Internationale du Genie Rural): Sustainable Life for Children - Program and Abstracts' Book (pp. 253-253). Article P-054 CIGR. http://eprints.lancs.ac.uk/126327/1/CIGR_2018_Abstract_Proceeding.pdf

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., 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), Article 788. https://doi.org/10.3390/s18030788

Lund Kasper, P., Kai, P. & Feilberg, A. (2018). Potential for Predicting Ammonia Emissions from Naturally Ventilated Dairy Houses based on Indirect Parameters. In Book of Abstracts of the European Conference on Agricultural Engineering: AgEng2018 (pp. 93). Wageningen University. https://doi.org/10.18174/471678

Hafner, S. D., Rennuit, C., J. Olsen, P. & Pedersen, J. M. (2018). Quantification of leakage in batch biogas assays. Water Practice and Technology, 13(1), 52-61. https://doi.org/10.2166/wpt.2018.012

Kai, P., Børsting, C. F. & Lund, P. (2018). Sektorer 1 og 2: Reduktion af ammoniakemission og energiforbrug fra kvægstalde.

Hafner, S. D., Koch, K., Carrère, H., Astals, S., Weinrich, S. & Rennuit, C. (2018). Software for biogas research: Tools for measurement and prediction of methane production. SoftwareX, 7, 205-210. https://doi.org/10.1016/j.softx.2018.06.005

Hafner, S. D., Pacholski, A., Bittman, S., Burchill, W., Bussink, W., Chantigny, M., Carozzi, M., Genermont, S., Häni, C., Hansen, M. N., Huijsman, J., Hunt, D., Kupper, T., Lanigan, G., Loubet, B., Misselbrook, T. H., Meisinger, J. J., Neftel, A., Nyord, T. ... Sommer, S. G. (2018). The ALFAM2 database on ammonia emission from field-applied manure: Description and illustrative analysis. Agricultural and Forest Meteorology, 258, 66-79. https://doi.org/10.1016/j.agrformet.2017.11.027

Mosquera Losada, J., Ogink, N., Adamsen, A. P. S., Schmidt Bjerg, B., Kai, P., Gallmann, E., Hartung, E., Grimm, E., Demeyer, P., Robin, P., Hassouna, M., Hempel, S., Eurich-Menden, B., Wolf, U. & Schrade, S. (2018). VERA TEST PROTOCOL: for Livestock Housing and Management Systems . (Version 3:2018-09 ed.) International VERA Secretariat. http://www.vera-verification.eu/fileadmin/download/Test_programs/VERA_Testprotocol_Housing_v3_2018.pdf

Hafner, S. D., Bühler, M., Feilberg, A., Franco, R. B., Howard, C., Montes, F., Muck, R. E., Rotz, C. A. & Weiss, K. (2018). Volatile organic compounds and silage: sources, emission, and mitigation. In Proceedings of the XVIII International Silage Conference (pp. 52-68). Universität Bonn. https://www.isc2018.de/Download/Proceedings

Bonifacio, H. F., Rotz, C. A., Hafner, S. D., Montes, F., Cohen, M. & Mitloehner, F. M. (2017). A process-based emission model of volatile organic compounds from silage sources on farms. Atmospheric Environment, 152, 85-97. https://doi.org/10.1016/j.atmosenv.2016.12.024

Hafner, S. D., Sommer, S. G., Petersen, V. & Markfoged, R. (2017). Effects of carbon dioxide hydration kinetics and evaporative convection on pH profile development during interfacial mass transfer of ammonia and carbon dioxide. Heat and Mass Transfer, 53(4), 1335-1342. https://doi.org/10.1007/s00231-016-1910-6

Kai, P., Lund Kasper, P. & Feilberg, A. (2017). Emissions of Ammonia from Two Types of Dairy Barns Measured Using Cavity Ring Down Spectroscopy (CRDS). Abstract from International Symposium on Emissions of Gas and Dust from Livestock 2017, Saint-malo, France.

Dalby, F. R., Hansen, M. J. & Feilberg, A. (2017). Monitoring Sulfur Processes with 33S Isotope Labelling and PTR-MS in Swine Manure. Abstract from International Symposium on Emissions of Gas and Dust from Livestock 2017, Saint-malo, France.

Sommer, S. G., Clough, T. J., Balaine, N., Hafner, S. D. & Cameron, K. C. (2017). Transformation of organic matter and the emissions of methane and ammonia during storage of liquid manure as affected by acidification. Journal of Environmental Quality, 46(3), 514-521. https://doi.org/10.2134/jeq2016.10.0409

Johannsen, I., Adamsen, A. P. S., Kilsgaard, B. S. & Milkevych, V. (2016). A Method and Apparatus for Producing Biofuel in an Oscillating Flow Production Line under Supercritical Fluid Conditions. (Patent No. WO 2016/004958 A1).

Petersen, S. O., Hutchings, N. J., Hafner, S. D., Sommer, S. G., Hjorth, M. & Jonassen, K. (2016). Ammonia abatement by slurry acidification: A pilot-scale study of three finishing pig production periods. Agriculture, Ecosystems & Environment, 216, 258-268. https://doi.org/10.1016/j.agee.2015.09.042

Pedersen, S. V., Marti-Herrero, J., Singh, A. K., Sommer, S. G. & Hafner, S. (2016). A new software tool for predicting methane emission from manure storage facilities. In International Conference on Agricultural Engineering https://www.researchgate.net/publication/319133598_A_new_software_tool_for_predicting_methane_emission_from_manure_storage_facilities

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Henrik Bjarne Møller