A broad programme of research and development on black-liquor gasification is being undertaken in Finland. The central activity in the programme consists of gasification experiments on a pressurized test facility, designed, built, and operated by the Technical Research Centre of Finland (VTT). The facility has played an important role in the process-development work being carried out in both the public and private sectors. Supporting activities in which VTT has been involved include laboratory-scale experiments, theoretical investigations, and system studies. Through these activities, significant contributions to the over-all process-development effort have been made. In fact, most of the basic data necessary for the present stage of development of black-liquor gasification processes have now been generated.