8Robert R. Pierce. Estimating acid dew points in stack gases[ J]. Chemical Engineering, 1977,4 ( 11 ) : 125-128.
9Gutberlet H,Hartenstein H, Licata A. 502 conversion rate of de- NOx catalysts effects on downstream plant components and reme- dial measures [ C ]. Power Gen 1999, New Orleans : 1999.
10Wall J D. Control FCC SOx Emissions[ J]. Hydrocarbon Process- ing, 1984,63 (10) :45-46.