Institut for Bio- og Kemiteknologi

Aarhus Universitets segl

Publications

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García, P., Hansen, M. J., Feilberg, A., Nielsen, J. L., Kleikamp, H. B. C., Gertsen, S. Ø. & Dalby, F. R. (2026). Evaluation of ABM and Arrhenius models for methane estimation on a Danish pig house with insights into methanogenic presence and activity. Biosystems Engineering, 265, Artikel 104432. https://doi.org/10.1016/j.biosystemseng.2026.104432
García, P., Feilberg, A., Dalby, F. R., Guldberg, L. B. & Hansen, M. J. (2025). Slurry funnels with frequent discharge and partial pit ventilation reduce ammonia, methane, and odorants emissions in sow housing. Biosystems Engineering, 258, Artikel 104259. https://doi.org/10.1016/j.biosystemseng.2025.104259
Garcia Perez, P., Feilberg, A., Guldberg, L. B. & Hansen, M. J. (2025). Study on ammonia, methane, and odour emissions dynamics from pig slurry systems in an experimental chamber. Biosystems Engineering, 257, Artikel 104237. https://doi.org/10.1016/j.biosystemseng.2025.104237
Ma, C., Dalby, F. R., Feilberg, A., Guldberg, L. B., Yu, J., Marzocchi, U. & Petersen, S. O. (2025). Enhanced methane oxidation in surface crusts of manure storages with controlled ventilation. Journal of Environmental Management, 393, Artikel 127214. https://doi.org/10.1016/j.jenvman.2025.127214
Sattarova, E., Li, J., Fadel, J. G., Knudsen, K. E. B., Hansen, M. J., Nørgaard, J. V. & Jørgensen, H. (2025). Dietary characteristics and body weight input improve the prediction of enteric methane production from growing-finishing pigs. Animal Feed Science and Technology, 321, Artikel 116231. https://doi.org/10.1016/j.anifeedsci.2025.116231
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
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
Vazifehkhoran, A. H., Pedersen, J., Guldberg, L. B., Svane, S., Karring, H., Feilberg, A. & Hansen, M. J. (2024). Effects of polyphenol-rich extracts and compounds on methane and ammonia emissions from pig slurry during 28-day incubation. Biosystems Engineering, 248, 218-228. https://doi.org/10.1016/j.biosystemseng.2024.11.002
Yao, Z., Guo, H., Wang, Y., Zhan, Y., Zhang, T., Wang, R., Zheng, X. & Butterbach-Bahl, K. (2024). A global meta-analysis of yield-scaled N2O emissions and its mitigation efforts for maize, wheat, and rice. Global change biology, 30(2), Artikel e17177. https://doi.org/10.1111/gcb.17177
Yao, Z., Wang, Y., Wang, R., Wang, X., Wang, Y., Zheng, X., Liu, C., Zhu, B., Zhou, M., Liu, Y. & Butterbach-Bahl, K. (2024). Long-term straw return to a wheat-maize system results in topsoil organic C saturation and increased yields while no stimulating or reducing yield-scaled N2O and NO emissions. Agricultural and Forest Meteorology, 349, Artikel 109937. https://doi.org/10.1016/j.agrformet.2024.109937
Dalby, F. R., Hansen, M. J., Guldberg, L. B., Hafner, S. D. & Feilberg, A. (2023). Simple Management Changes Drastically Reduce Pig House Methane Emission in Combined Experimental and Modeling Study. Environmental Science & Technology, 57(9), 3990-4002. https://doi.org/10.1021/acs.est.2c08891
Hansen, M. J., Guldberg, L. B. & Feilberg, A. (2023). Effect of slurry funnels with partial pit ventilation on emissions from pig houses. Biosystems Engineering, 229, 200-208. https://doi.org/10.1016/j.biosystemseng.2023.03.021
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
Dalby, F. R., Guldberg, L. B., Feilberg, A. & Kofoed, M. V. W. (2022). Reducing greenhouse gas emissions from pig slurry by acidification with organic and inorganic acids. PLoS One, 17(5), Artikel e0267693. https://doi.org/10.1371/journal.pone.0267693
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
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
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), Artikel e0257759. https://doi.org/10.1371/journal.pone.0257759
Hansen, M. J., Adamsen, A. P. S., Wu, C. & Feilberg, A. (2021). Additivity between Key Odorants in Pig House Air. Atmosphere, 12(8), Artikel 1008. https://doi.org/10.3390/atmos12081008
Kamp, J. N., Sørensen, L. L., Hansen, M. J., Nyord, T. & Feilberg, A. (2021). Low-Cost Fluorescence Sensor for Ammonia Measurement in Livestock Houses. Sensors, 21(5), Artikel 1701. https://doi.org/10.3390/s21051701
Pedersen, J., Nyord, T., Hansen, M. J. & Feilberg, A. (2021). Emissions of NMVOC and H2S from field-applied manure measured by PTR-TOF-MS and wind tunnels. Science of the Total Environment, 767, Artikel 144175. https://doi.org/10.1016/j.scitotenv.2020.144175
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, Artikel 123171. https://doi.org/10.1016/j.biortech.2020.123171
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
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
Van Huffel, K., Hansen, M. J., Bruneel, J., Van Langenhove, H. & Feilberg, A. (2019). Extraction efficiency of odorous compounds during a winter and summer period for partial pit ventilation in pig houses with diffuse ceiling inlet and wall inlets. Biosystems Engineering, 179, 71-79. https://doi.org/10.1016/j.biosystemseng.2018.12.006
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
Feilberg, A., Hansen, M. J., Pontoppidan, O., Oxbøl, A. & E. N. Jonassen, K. (2018). Relevance of n-butanol as a reference gas for odorants and complex odors. Water Science & Technology, 77(6), 1751-1756. https://doi.org/10.2166/wst.2018.061
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
Hansen, M. J., Pedersen, C. L., Jensen, L. H. S., Guldberg, L. B., Feilberg, A. & Nielsen, L. P. (2018). Removal of hydrogen sulphide from pig house using biofilter with fungi. Biosystems Engineering, 167, 32-39. https://doi.org/10.1016/j.biosystemseng.2017.12.004
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
Lund Kasper, P., Oxbøl, A., Hansen, M. J. & Feilberg, A. (2018). Mechanisms of Loss of Agricultural Odorous Compounds in Sample Bags of Nalophan, Tedlar, and PTFE. Journal of Environmental Quality, 47(2), 246-253. https://doi.org/10.2134/jeq2017.07.0289
Feilberg, A., Hansen, M. J., Liu, D. & Nyord, T. (2017). Contribution of livestock H2S to total sulfur emissions in a region with intensive animal production. Nature Communications, 8(1), Artikel 1069. https://doi.org/10.1038/s41467-017-01016-2
Kasper, P., Mannebeck, D., Oxbøl, A., Nygaard, J. V., Hansen, M. J. & Feilberg, A. (2017). Effects of Dilution Systems in Olfactometry on the Recovery of Typical Livestock Odorants Determined by PTR-MS. Sensors, 17(8), Artikel 1859. https://doi.org/10.3390/s17081859
Hansen, M. J., Jonassen, K. E. N., Løkke, M. M., Adamsen, A. P. S. & Feilberg, A. (2016). Multivariate prediction of odor from pig production based on in-situ measurement of odorants. Atmospheric Environment, 135, 50-58. https://doi.org/10.1016/j.atmosenv.2016.03.060
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
Hansen, M. J., Nørgaard, J. V., Adamsen, A. P. S. & Poulsen, H. D. (2014). Effect of reduced crude protein on ammonia, methane, and chemical odorants emitted from pig houses. Livestock Science, 169, 118-124. https://doi.org/10.1016/j.livsci.2014.08.017
Hansen, M. J., Jonassen, K. E. N. & Feilberg, A. (2014). Evaluation of Abatement Technologies for Pig Houses by Dynamic Olfactometry and On-site Mass Spectrometry. Chemical Engineering Transactions, 40, 253-258. https://doi.org/10.3303/CET1440043
Jonassen, K. E. N., Nielsen, M. B. F. & Hansen, M. J. (2014). Online or Delayed Olfactometry – a Comparison Based on Results from Four Different Types of Pig Housing or Mitigation Systems. Chemical Engineering Transactions, 40, 7-12. https://doi.org/10.3303/CET1440002
Liu, D., Guldberg, L. B. & Feilberg, A. (2014). Dependence of Sulphurous Odorants Reduction on Loading Rates in Inoculated Biofilter Columns. Chemical Engineering Transactions, 40, 199-204. https://doi.org/10.3303/CET1440034
Nørgaard, J. V., Hansen, M. J., Assadi Soumeh, E., Adamsen, A. P. S. & Poulsen, H. D. (2014). Effect of protein level on performance, nitrogen utilisation and carcass composition in finisher pigs. Acta Agriculturae Scandinavica, Section A - Animal Science, 64(2), 123-129. https://doi.org/10.1080/09064702.2014.943280
van Huffel, K., Hansen, M. J., Feilberg, A., Liu, D. & van Langenhove, H. (2014). The Power of Online Proton Transfer Reaction - Mass Spectrometry (PTR-MS) Measurement of Odorous Emissions from a Pig House. Chemical Engineering Transactions, 40, 241-246. https://doi.org/10.3303/CET144004
Yao, H., Hansen, M. J. & Feilberg, A. (2014). DMS removal in a bubble reactor by using peroxone (O3/H2O2) reactions. Chemical Engineering Transactions, 40(Special Issue), 229-234. https://doi.org/10.3303/CET1440039
Zong, C., Feng, Y., Zhang, G. & Hansen, M. J. (2014). Effects of different air inlets on indoor air quality and ammonia emission from two experimental fattening pig rooms with partial pit ventilation system - Summer condition. Biosystems Engineering, 122, 163-173. https://doi.org/10.1016/j.biosystemseng.2014.04.005
Hansen, M. J., Adamsen, A. P. & Feilberg, A. (2013). Recovery of Odorants from an Olfactometer Measured by Proton-Transfer-Reaction Mass Spectrometry. Sensors, 13(6), 7860-7871. https://doi.org/10.3390/s130607860
Andersen, K. B., Hansen, M. J. & Feilberg, A. (2012). Minimization of artefact formation of dimethyl disulphide during sampling and analysis of methanethiol in air using solid sorbent materials. Journal of Chromatography A, 1245, 24-31. https://doi.org/10.1016/j.chroma.2012.05.020
Hansen, M. J., Liu, D., Guldberg, L. B. & Feilberg, A. (2012). Application of Proton-Transfer-Reaction Mass Spectrometry to the Assessment of Odorant Removal in a Biological Air Cleaner for Pig Production. Journal of Agricultural and Food Chemistry, 60, 2599-2606. https://doi.org/10.1021/jf300182c
Hansen, M. J., Toda, K., Obata, T., Adamsen, A. P. & Feilberg, A. (2012). Evaluation of Single Column Trapping/Separation and Chemiluminescence Detection for Measurement of Methanethiol and Dimethyl Sulfide from Pig Production. Journal of Analytical Methods in Chemistry, 2012. https://doi.org/10.1155/2012/489239
Hansen, M. J., Adamsen, A. P., Pedersen, P. & Feilberg, A. (2012). Prediction of Odor from Pig Production Based on Chemical Odorants. Journal of Environmental Quality, 41, 436-443. https://doi.org/10.2134/jeq2011.0253
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., Adamsen, A. P., Feilberg, A. & Jonassen, K. E. N. (2011). Stability of odorants from pig production in sampling bags for olfactometry. Journal of Environmental Quality, 40, 1096-1102. https://doi.org/10.2134/jeq2010.0497
Ottosen, L. D. M., Juhler, S., Guldberg, L. B., Feilberg, A., Revsbech, N. P. & Nielsen, L. P. (2011). Regulation of ammonia oxidation in biotrickling airfilters with high ammonium load. Chemical Engineering Journal, 167(1), 198-205. https://doi.org/10.1016/j.cej.2010.12.022

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Revideret 13.11.2025
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Michael Jørgen Hansen