Black liquor generated during paper manufacture is concentrated in a

Related MCQs

• Multiple effect evaporators are commonly used in the manufacture of P. Paper Q. Superphosphate R. Sugar S. Fats
• Increasing the liquor level in the evaporator results in the
• In case of a vertical tube evaporator, with increase in the liquor level, the __________ is increased.
• For a cold dilute feed to produce thick viscous liquor, backward feeding as compared to forward feeding results in
• In case of a vertical tube evaporator, with increase in the liquor level, the
• In case of vertical tube evaporator, with increase in liquor level, the overall heat transfer co-efficient
• The type of liquor circulation system to be ' employed in evaporators (viz. natural or forced circulation) is determined mainly by the __________ of the liquid.
• The wavelength at which the maximum monochromatic emissive power occurs for a black body, is (where, T = absolute temperature of the black body).
• Heat sensitive materials can be concentrated in an evaporator employing
• Boiling point elevation for a strong and concentrated solution is found by Duhring's rule, which states that at the same pressure, the boiling point of a solution is a linear function of the __________ of pure water.