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Figure 11-38. Condenser duty for two-stage propylene refrigeration system. (Excerpted by special permission: Mehra, Y. R. Chemical Engi-
neering, Jan 15, 1979. ©McGraw-Hill, Inc., New York. All rights reserved.)
Figure 11-39. Gas horsepower for single-stage ethane refrigeration Figure 11-40. Condenser duty for single-stage ethane refrigeration
system. (Excerpted by special permission: Mehra, Y. R. Chemical system. (Excerpted by special permission: Mehra, Y. R. Chemical
Engineering, Feb. 12, 1979. ©McGraw-Hill, Inc., New York. All rights Engineering, Feb. 12, 1979. ©McGraw-Hill, Inc., New York. All rights
reserved.) reserved.)

