Field Studies on Fume Chemistry and Deposition in Kraft Recovery Boilers, 1996 Engineering Conference Proceedings

Alarick Tavares and Honghi Tran - University of Toronto

The chemistry and rate of accumulation of fume deposits at various locations in two recovery boilers at different mills were investigated using a fume deposition probe. Similar results were obtained at both boilers. In the lower furnace, fume deposits contained as much as 26 wt% alkali hydroxides (NaOH plus KOH). In the upper furnace, no hydroxide was found; the chloride and potassium contents were relatively constant whereas the carbonate content increased progressively towards the back end of the boiler. The study also indicates that the majority of solid fume starts forming at a location near entrance of the generating bank where the flue gas temperature is about 600°C.

Field Studies on Fume Chemistry and Deposition in Kraft Reco
Field Studies on Fume Chemistry and Deposition in Kraft Recovery Boilers, 1996 Engineering Conference Proceedings
35.00

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