Provide Alkali Species Profiles Using a Well-Characterized Coal Reactor: Final Report.

摘要

In this program alkali and other species leaving the surface of individual coal particles during combustion or gasification reactions were measured directly rather than attempting to infer this information from macroscopic measurements in large-scale devices. Individual coal particles were placed in a radiation field and a gas stream which had temperatures, pressures, and compositions which simulate conditions within a particular time/position in a combustor or gasifier. The species leaving the surface were then measured directly as a function of time using molecular beam mass spectrometry (MBMS). These measurements should provide the data needed for models of alkali behavior during combustion and gasification processes. 26 refs., 29 figs., 27 tabs.