TEAM MEMBERS: SKIP POND KENNETH SIMPSON GAS ABSORPTION COLUMN TEAM MEMBERS: SKIP POND KENNETH SIMPSON

OUTLINE BACKGROUND OPERATION PRESSURE DROP FLOODING POINT DATA GRAPH CONCLUSIONS QUESTIONS

BACKGROUND MEDIA --- 3/8” RASCHIG RINGS PACKED MEDIA HEIGHT = 5 FT. INNER DIAMETER OF COLUMN= 3 IN. DENSITY OF H20 = .994g/cc TEMPERATURE OF AIR = 24.50C AIR ASSUMED TO BE DRY

BACKGROUND

BACKGROUND

BACKGROUND MEDIA --- 3/8” RASCHIG RINGS PACKED MEDIA HEIGHT = 5 FT. INNER DIAMETER OF COLUMN= 3 IN. DENSITY OF H20 = .994g/cc TEMPERATURE OF AIR = 24.50C AIR ASSUMED TO BE DRY

OPERATION LIQUID DISTRIBUTION/FILM “RICH” ENTERING GAS MASS TRANSFER COLLECTION OF LIQUID GAS OUTLET

OPERATION PROBLEMS FLOODING PRESSURE DROP CHANNELING INADEQUATE LIQUID FILM COVER

PRESSURE DROP (P) FLUID FRICTION MEDIA TYPE AND SHAPE TOWER DIMESIONS LIQUID/GAS FLOW RATES DENSITY & VISCOSITY OF LIQUID

FLOODING POINT GAS FLOW FORCED THROUGH LIQUID CORRELATION WITH P PACKING FACTORS 10-60 Pflood = .115Fp.7 PACKING FACTOR > 60 ASSUMED = Pflood = 2 IN. H20/FT.

GAS COLUMN DATA

CONCLUSIONS Pflood = 2 in. H20/ft. of packing P(geyser) = 26 in. H20 ENGR.435 COLUMN = 10 in. H20 P(geyser) = 26 in. H20 COLUMN BECOMES INOPERABLE OPTIMUM OPERATING POINT 1/2 GAS FLOW RATE OF FLOODING 1.5 LBS./MIN

QUESTIONS ???