8.6.3. Nuon Power Buggenum IGCC Plant | netl.doe.gov
There was no slag crusher used at the slag lock hopper outlet. As the raw syngas exited the gasifier it was quenched to a temperature of 900°C (1,650°F) by cool recycled particle-free syngas. A water-tube boiler then lowered the syngas temperature to 235°C (455°F) by generating high and intermediate pressure steam.