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- Title
Zero test emissions of sulphur dioxide from large coal under staged fluidized bed combustion
- Authors
Gibbs, B. M.; Khan, W. Z.
- Abstract
This paper reports the emissions of SO2 from large coal under staged combustion without any additive. A stainless steel combustor, 2 m high and 0.3 x 0.3 m in cross section was used. Fluidizing air was supplied through a multihole distributor. An adjustable secondary air injector was used along the vertical axis of the combustor tointroduce secondary air in the freeboard. From 0--40% of total air was injected in the freeboard above the bed. The experiments were carried out at fluidizinig velocities of 1--2 m s- 1, bed temperatures of 1103--1153 deg.K, 20--40% excess air, and bed particle sizes of 665 mu m. Bed temperature and level of air staging had the most significant effect on SO2 emissions.
- Subjects
MATHEMATICAL models; AIR quality indexes; COMBUSTION
- Publication
Water, Air & Soil Pollution, 1997, Vol 96, Issue 1-4, p291
- ISSN
0049-6979
- Publication type
Article