Previous Lettinga Award Winners
The Lettinga Award was initiated in 2001 and subsequently has been awarded for seven times now.
| Year | Project | By |
| 2022 | COACE: An innovative system for closing carbon cycles | Dr. Rhiannon Chalmers-Brown |
| 2019 | Anaerobic bioreduction of waterborne element sulphide particles for recovery from electronic waste | Dr. Simon Hageman |
| 2017 | Dark photosynthesis: anaerobic biosynthesis of food from wastewater and electricity | David Strik, Mathijs van der Zwart & Cees Buisman |
| 2015 | Closing cycles with a biogas powered milk chilling solution for East African smallholder farmers | SimGas BV |
| 2013 | Adding value to Anaerobic Digestion technology by production of biobased materials (biocement and fertilizer) and methane enriched biogas using alkaline silicate minerals | Shiva Salek |
| 2010 | Bio-Electrochemically upgrading the CO2 and H2S fractions of biogas: increasing the efficiency and adding value to Anaerobic Digestion tech-nology | Shelley Brown-Malker, Rene Rozendal, Damien Batstone, Paul Jensen, Cristian Picioreanu, Korneel Rabaey and Jurg Keller |
| 2007 | Immobilization of redox mediators in nanostructures for the anaerobic treatment of industrial wastewaters | Dr. Francisco J. (Paco) Cervantes |
| 2004 | A new anaerobic technology for efficient mineralization of lipids / LCFA | Dr. Madalena Alves |
| 2001 | Anaerobic Granular Sludge Bed Technology Web Pages | Dr. Jim A. Field and Dr. Reyes Sierra |