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Forty-five kilograms of a solution containing 30 wt% ethylene glycol in water is to be extracted with furfural. Using Figures 4.14a and 4.14c, calculate:
(a) The minimum quantity of solvent.
(b) The maximum quantity of solvent.
(c) The weights of solvent-free extract and raffinate for 45 kg solvent, and the percent glycol extracted.
(d) The maximum possible purity of glycol in the finished extract and the maximum purity of water in the raffinate for one equilibriumstage.
Calculate packing height required for the desired separation.
Preliminary design work has been done on a process to recover a valuable product froman effluent gas stream. The gas will be scrubbed with a solvent in a packed column;the recovered product and solvent separated by distillation; and the solvent co..
Design Options for Recovery of Acetic Acid from Aqueous Solution. The project involves the comparison of two methods for recovery of acetic acid from an aqueous solution. Your client is planning to add additional acetic acid production capacity of..
Check the values given for the discounted-cash-flow rate of return and net present worth. If the company requires a minimum rate of return of 10 percent, which system should be chosen?
You are presented with patient X who has a genetic disease. You discover a mutation inall aquaporin2 (AQP2) channels manufactured in the epithelial cells of the collecting ductso that there is no increase in water permeability when the mutated cha..
The MAPK cascade is an important cellular signal transduction pathway. Which diseases are implicated in changes to the MAPK cascade?
A value of mass transfer coefficient kg = 0.0150 kg /m2-s . it was also found that the corresponding heat transfer co efficient = hc = 15 j /m2-s
Assume that losses cannot be offset against revenues from other operations for tax purposes (i.e., no tax credits in years when the plant makes a loss). Estimate the following:
Calculate the required value of Ta1 if the film temperature falls to 34°C, and the value if it rises to 36°C.
Determine the fraction of load for which the efficiency is a maximum, and calculate the corresponding efficiencies for the power factors of unity, 0.8, and 0.6.
Caps are arranged on equilateral-triangle centers staggered perpendicular to direction of liquid flow, and liquid depth above caps is less than 1 in.
What is the size of the Anopheles gambiae genome? How many chromosomes does it have? How many genes does it have?
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