1. 1 Biomass Gasification with High temperature and Oxygen Deficient oxidizer Objectives are investigation the behaviors of biomass and RDF fuel during High-Temperature combustion with different compositions of the oxidizer. Guest researcher: Mr.Sławomir Kakietek Institute of Power Engineering, Augustówka 5 Street, 02-981 Warszawa, Poland, tel. +48 22 34 51 126, fax. +48 22 642 83 78, email: s.kakietek@ien.com.pl Project supervisor: Professor Wlodzimierz Blasiak Head of the Division of Energy and Furnace Technology KTH,Sweden. Email: blasiak@mse.kth.se Technical support: Dr. Sylwester Kalisz: Email: skalisz@polsl.pl Dr. Yang Weihong, Email: weihong@mse.kth.se Project sponser: SUSPOWER, European Community Research Programme

2. 2 Experimental results Comparison of mass loss for different O2 concentration for 1000ºC Ignition delay for different temperatures and O 2 concentration, a) wood pellets,b) RDF pellets

3. 3 Experimental results 4.92 s (ignition) 15.81 s 16.77 s18.93 s 7 s Temperature of air – 1000ºC, 21% of O 2, RDF pellets 55.89 s (typical flame) 213.87 s 284.85 s