Olesen, J. E., Møller, H. B., Petersen, S. O., Sørensen, P., Nyord, T. & Sommer, S. G. (2020).
Bæredygtig biogas - klima og miljøeffekter af biogasproduktion. DCA - Nationalt Center for Fødevarer og Jordbrug,. DCA rapport Nr. 175
https://dcapub.au.dk/djfpublikation/index.asp?action=show&id=1454
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.
Amodeo, C.
, Hafner, S. D., Franco, R. T., Benbelkacem, H., Moretti, P., Bayard, R. & Buffière, P. (2020).
How Different are manometric, gravimetric, and automated volumetric BMP results? Water (Switzerland),
12(6), Artikel 1839.
https://doi.org/10.3390/w12061839
Astals, S., Koch, K., Weinrich, S.
, Hafner, S. D., Tait, S. & Peces, M. (2020).
Impact of storage conditions on the methanogenic activity of anaerobic digestion inocula.
Water (Switzerland),
12(5), Artikel 1321.
https://doi.org/10.3390/W12051321
Mikkelsen, M. H., Albrektsen, R., Hafner, S. D., Nyord, T. & Sommer, S. G., (2020).
Konsekvensberegning for ammoniakemissionen fra udbringning af husdyrgødning, som følge af opdatering af data og emissionsfaktorer, 16 s., Fagligt notat fra DCE – Nationalt Center for Miljø og Energi Bind 2020 Nr. 85
https://dce.au.dk/fileadmin/dce.au.dk/Udgivelser/Notatet_2020/N2020_85.pdf
Pedersen, S. V., Marti-Herrero, J.
, Singh, A. K., Sommer, S. G.
& Hafner, S. D. (2020).
Management and design of biogas digesters: A non-calibrated heat transfer model.
Bioresource Technology,
296, Artikel 122264.
https://doi.org/10.1016/j.biortech.2019.122264
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, Artikel 63.
https://doi.org/10.3389/fenrg.2020.00063
Lavrsen Kure, J., Krabben, J., Duelund, L., Vilms Pedersen, S.
& Gjedde Sommer, S. (2020).
Validation and comparison of ammonia measurement techniques used to determine ammonia absorbed by passive absorption samplers.
Canadian Journal of Soil Science,
100(2), 175-178.
https://doi.org/10.1139/cjss-2019-0124
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
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), Artikel 2431.
https://doi.org/10.3390/w11122431
Cao, Y., Wang, X., Bai, Z., Chadwick, D., Misselbrook, T.
, G. Sommer, S., Qin, W. & Ma, L. (2019).
Mitigation of ammonia, nitrous oxide and methane emissions during solid waste composting with different additives: A meta-analysis.
Journal of Cleaner Production,
235, 626-635.
https://doi.org/10.1016/j.jclepro.2019.06.288
Kure, J. L., Krabben, J., Pedersen, S. V., Carozzi, M.
& Sommer, S. G. (2018).
An Assessment of Low-Cost Techniques to Measure Ammonia Emission from Multi-Plots: A Case Study with Urea Fertilization.
Agronomy,
8(11), Artikel 245.
https://doi.org/10.3390/agronomy8110245
Wijesinghe, D. T. N., Dassanayake, K. B.
, Sommer, S. G., Scales, P. J. & Chen, D. (2018).
Biogas improvement by adding Australian zeolite during the anaerobic digestion of C: N ratio adjusted swine manure. Waste and Biomass Valorization,
10(7), 1-5.
https://doi.org/10.1007/s12649-018-0210-4
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
Wijesinghe, D. T. N., Dassanayake, K. B., Scales, P. J.
, Sommer, S. G. & Chen, D. (2018).
Effect of Australian zeolite on methane production and ammonium removal during anaerobic digestion of swine manure.
Journal of Environmental Chemical Engineering,
6(1), 1233-1241.
https://doi.org/10.1016/j.jece.2018.01.028
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
Wijesinghe, D. T. N., Dassanayake, K. B., Scales, P.
, Sommer, S. G. & Chen, D. (2018).
Removal of excess nutrients by Australian zeolite during anaerobic digestion of swine manure.
Journal of Environmental Science and Health. Part A: Toxic Hazardous Substances and Environmental Engineering,
53(4), 362-372.
https://doi.org/10.1080/10934529.2017.1401398
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
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. I
Proceedings of the XVIII International Silage Conference (s. 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
Pilar Bernal, M.
, Sommer, S. G., Chadwick, D., Qing, C., Guoxue, L. & Michel Jr., F. C. (2017).
Current Approaches and Future Trends in Compost Quality Criteria for Agronomic, Environmental, and Human Health Benefits.
Advances in Agronomy,
144, 143-233.
https://doi.org/10.1016/bs.agron.2017.03.002
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
Sommer, S. G., Hamelin, L., Olesen, J. E., Montes, F., Jia, W., Qing, C. & Triolo, J. M. (2016).
Agricultural waste biomass: Chapter 3. I E. Lakovou, D. Bochtis, D. Vlachos & D. Aidonis (red.),
Supply Chain Management for Sustainable Food Networks John Wiley & Sons.
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
Petersen, S. O., Olsen, A. B.
, Elsgaard, L., Triolo, J. M.
& Sommer, S. G. (2016).
Estimation of Methane Emissions from Slurry Pits below Pig and Cattle Confinements.
P L o S One,
11(8), Artikel e0160968.
https://doi.org/10.1371/journal.pone.0160968