J. Veerman, J.W. Post, M. Saakes, S.J. Metz, G.J. Harmsen, Reducing power losses caused by ionic shortcut currents in reverse electrodialysis stacks by a validated model, Journal of Membrane Science, Volume 310, Issues 1-2, 5 March 2008, Pages 418-430.
G.J. Harmsen, et.al. "Proces for the preparation of alkylene glycol from alkylene carbonate in a reactor containing Baffles " November 18, 2008,US patent 7453014
G.J. Harmsen, et.al. "Proces for the preparation of alkylene glycol, 26th June 2008, US2008154070
G.J. Harmsen, et.al. Integrated preparation and separation process, 9th January 2008, CN101102831
G.J. Harmsen, et.al. Integrated preparation and separation process, 9th January 2008, CN101102832.
Gerald Jonker en Jan Harmsen, Chemisch Technologen leren duurzaam ontwerpen, NPT procestechnologie 5 oktober 2008, 38-39.
G. Jonker, J. Harmsen, Course Sustainability for Engineers, presentation at EESD 2008, Graz.
J. Flapper, Student evaluation course Sustainability for Engineers, presentation at EESD 2008, Graz.
Jan Harmsen, Commercialising reactive distillation, The Chemical Engineer, August 2008, 34-35
Jan Harmsen, Process Innovations for Sustainable Development,Plenary lecture, International Indonesian Students’ Scientific Meeting 2008, 13-15 May 2008, Delft
Jan Harmsen, Factor 4: Savings in Energy & CO2 Emissions: What Engineers can do
Plenary lecture ir symposium,29 May 2008, Groningen
Jan Harmsen, Sustainable Process Innovations Petrochemicals, Instrument, 12 May 2008.
G.J Harmsen, Sustainability and Chemical Processes, invited lecture TARDIS conference Graz, 26-29 October 2008