HETP is numerically equal to HTU, only when the operating line

Related MCQs

• In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit).
• In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.
• In an absorber, HETP does not vary with the
• On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in
• For a single component absorber, the operating line is straight only when plotted in term of __________ units.
• If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are:
• H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is
• For stripping of a gas in a counter current stripper, the operating line
• The minimum liquid rate to be used in an absorber corresponds to an operating line
• The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is