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김학성,정국삼,신창섭 한국산업안전학회 1986 한국안전학회지 Vol.1 No.1
To remove sulfur dioxide from flue gas by the method of metal oxide, copper powder of average diameter 2.4㎛ and 51㎛ were used in a fixed bed reactor over a temperature range of 300℃-500℃. Copper oxide reacts with sulfur dioxide producing cupric sulfate and it can be regenerated from the latter by using hydrogen or methane. Experimental results showed that the reaction rate was increased by the increase of reaction temperature in the range of 300℃-422℃ and the removal efficiency of sulfur dioxide was high in case of small size copper particle. However the removal efficiency was decreased at higher temperature due to decomposition of cupric sulfate. The rate controlling step of this reaction was chemical reaction and deactivating catalysts model can be applied to this reaction. The rate constants for this reaction and deactivation are as follows: k=8,367exp(-10,298/RT) Kd=2.23exp(-8,485/RT)
김학성 동남보건대학 2004 論文集-東南保健大學 Vol.22 No.2
Workflow mining is a newly emerging research issue for rediscovering and reengineering workflow models from workf1ow logs containing information about workf1ow being executed on the workflow engine.