Jan Weijma (PhD)

Business Developer 


New Sanitation, sustainable technologies for (waste)water, recovery of resources from residual streams, metal recovery from waste streams, biological sulfur cycle, biocrystallisation


Jan Weijma has more than 15 year experience in wastewater treatment and recycling, both as researcher and as engineer. He has worked in the academic environment at Wageningen University (Ph.D. in 2000) as well as in the business environment (technology supplier). He was project and technology manager for several large pilot projects on innovative wastewater treatment technologies. He has broad experience in developing innovative technological concepts into working and viable technologies for water treatment. Besides his position at LeAF, he also keeps a research position (2 days/week) at Wageningen University, sub-department of Environmental Technology.

Publications (most relevant)

  • M. van Eekert, J. Weijma, N. Verdoes, F. de Buisonje, B. Reitsma, J. van den Bulk, J. van Gastel, 2012. Explorative research on innovatieve nitrogen recovery. Stowa 2012:51. http://www.stowa.nl/Upload/publicaties/STOWA%202012%2051_LR.pdf
  • I. Bisschops, M. Timmerman, J. Weijma, M. van Eekert, F. de Buisonje, H. Spanjers, Synergie RWZI en Mestverwerking, Stowa, 2011-10. Http://www.stowa.nl/upload/publicaties/STOWA%202011%2010%20LR.pdf
  • M. Mulder, G. Notenboom, R. Lodder, J. Weijma, M. van Eekert, W. Moerman, 2011. Source rapportage Source Simultaneous remOval of hUman a veteRinary pharmaCeuticals and nutrients. http://www.stowa.nl/Upload/publicaties/eindrapportage_source_eindversie_091211_2.pdf
  • Lindeboom REF, Weijma J, and Lier JB van. 2012. High-Calorific Biogas Production by Selective CO2 Retention at Autogenerated Biogas Pressures up to 20 Bar. Environmental Science and Technology 46 (3), 1895–1902.
  • Sin, G, Weijma J, Spanjers H, Nopens I. 2008. Dynamic model development and validation for a nitrifying moving bed biofilter: Effect of temperature and influent load on the performance. Process Biochemistry. 43 (4), 384-397
  • Weijma J, Tran-Minh C, Hulshoff Pol LW, Stams AJM, and Lettinga G. 2003. Mesophilic methanol digestion in high-rate anaerobic reactors in the presence of sulfate. Process Biochemistry 38, 1259-1266.
  • Weijma J, Man A de, Wessels C, Wouters H. 2007. Nieuwe horizon voor denitrificatie en defosfatering. H2O, tijdschrift voor watervoorziening en afvalwaterbehandeling. 40 (24), 40-43
  • Schouten G, Wolthoorn A, Weijma J, Huisman JL. Arsenic Removal as Orpiment or Scorodite using high rate Biotechnology. Proc. European Metallurgical Conference 2005, 1767-1768.
  • Wouters JW, Weijma J. 2005. Tertiaire zuivering met (bio)filtratie voor vergaande N en P verwijdering. Afvalwaterwetenschap 4, 230-24
  • Weijma J, Hoop K de, Bosma W, and Dijkman H. 2002. Conversion of anglesite (PbSO4) and lead waste to galena (PbS) by biological sulfate reduction. Biotechnology Progress 18, 770-775.
  • Hulshoff Pol LW, Lens PNL, Weijma J, and Stams AJM. 2001. New developments in reactor and process technology for sulfate reduction. Water Science and Technology 44, 67-76.
  • Weijma J, Stams AJM, Hulshoff Pol LW, and Lettinga G. 2000. Thermophilic sulfate reduction and methanogenesis with methanol in a high rate anaerobic reactor. Biotechnology Bioengineering 67, 354-363.
  • Weijma J, Veeken A, Dijkman H, Huisman J and Lens P. 2006. Heavy metal removal with biogenic sulphide: advancing to full-scale. In: Advanced Biological Treatment Processes for Industrial Wastewaters, Principles and Applications (eds: Cervantes F, Pavlostathis S,Haandel A van), pp. 321-331. IWA, London.
  • Weijma J, Copini CFM, Buisman CJN, and Schultz CE. 2002. Biological recovery of metals, sulfur and water in the mining and metallurgical industry. In “Water recycling and resource recovery in industries” (P. N. L. Lens, ed.), pp. 605-622. IWA, London