Sodium conditioning for improved hot-side precipitator performance. Volume 2. Engineering and economic analysis. Final report

This report is Volume 2 of a two-volume set. Volume 1, prepared by Southern Research Institute, presents the results of field and laboratory investigations of sodium conditioning at the Lansing Smith Station. This volume is concerned with an engineering and economic analysis of the process as employed at the station. The objectives of the Lansing Smith Station engineering analysis were to develop a concise description of the particulate removal system, its capital requirements, operating costs, and maintenance problems; and to determine the economic feasibility of chemical conditioning as a method to enhance particulate removal. The method for accomplishing this analysis included plant visits, reviewing plant data and records, the use of prior similar EPRI projects, and economic calculations using previously proven economic correlations including the current EPRI Economic Premises. The conclusions reached from the available data are that sodium sulfate does increase particulate removal in a low-sodium coal and chemical conditioning of coal can be done safely and economically when compared to other methods of particulate removal. 3 references, 7 figures, 15 tables.