Publications: Dr. sc. agr. Wolfgang Merkle

Title	Year	Literature Type	Authors
Development of an innovative two-stage fermentation process for high-calorific biogas at elevated pressure Biomass and Bioenergy	2018	Journal contribution (peer reviewed)	Bär, K., Merkle, W., Tuczinski, M., Saravia, F., Horn, H., Ortloff, F., Graf, F., Lemmer, A., Kolb, T.
Effects of high-pressure anaerobic digestion up to 30 bar on pH-value, production kinetics and specific methane yield Energy	2017	Journal contribution (peer reviewed)	Lemmer, A., Merkle, W., Baer, K., Graf, F.
High-pressure anaerobic digestion up to 100 bar: influence of initial pressure on production kinetics and specific methane yields Environmental Technology (United Kingdom)	2017	Journal contribution (peer reviewed)	Merkle, W.; Baer, K.; Haag, N.L.; Zielonka, S.; Ortloff, F.; Graf, F.; Lemmer, A.
Influence of pressures up to 50 bar on two-stage anaerobic digestion Bioresource Technology	2017	Journal contribution (peer reviewed)	Merkle, W., Baer, K., Lindner, J., Zielonka, S., Ortloff, F., Graf, F., Kolb, T., Jungbluth, T., Lemmer, A.
Advanced green biorefining: effects of ensiling treatments on lactic acid production, microbial activity and supplementary methane formation of grass and rye Biomass Conversion and Biorefinery	2016	Journal contribution (peer reviewed)	Haag, N.L.; Grumaz, C.; Wiese, F.; Kirstahler, P.; Merkle, W.; Nägele, H.-J.; Sohn, K.; Jungblth, T.; Oechsner, H.
High-pressure anaerobic digestion up to 180 bar: the effects on biogas production and upgrading	2014	Contribution to conference	Merkle, W.; Zielonka, S.; Oechsner, H.; Lemmer, A.
Effects of temperature, pH and O2 on the removal of hydrogen sulfide from biogas by external biological desulfurization in a full scale fixed-bed trickling bioreactor (FBTB) International Journal of Agricultural and Biological Engineering	2013	Journal contribution (peer reviewed)	Nägele, H.-J.; Lindner, J.; Merkle, W.; Lemmer, A.; Jungbluth, T. und Bogenrieder, C.