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Black Liquor Gasification Process Review and Status Update
Abstract
After more than two decades of research and development, black liquor gasification is poised to become a commercial reality in the 90's. Several promising developments are underway in North America and Europe. In fact, all major recovery boiler manufacturers are now actively involved in black liquor gasifier developments. Leading the way is Gotaverken's Chemree process. Their 3 tph solids demonstration unit has been in commercial operations since late 1991. Following a close second in the MTCI process, whose 2 tph solids demonstration is scheduled to startup this summer. BB-Combustion Engineering have reported promising test results on a 0.2 tph CFB facility and have announced plans for a pilot demonstration. Tampella and Ahlstrom each have small pilot facilities (0.2 tph) focused on developing pressurized gasifiers. Their work is complemented by research at VIT (The Technical Research Centre of Finland) who have a 0.2 tph pressurized fluid bed test facility. The purpose of this paper is to describe these processes and provide and update on their status of development.
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Citation
Brown, C. (1993). Black Liquor Gasification Process Review and Status Update. Energy Systems Laboratory. Available electronically from https : / /hdl .handle .net /1969 .1 /148994.