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An electronics plant uses an adsorption system to recover solvent from a vent gas stream and prevent volatile organic compound (VOC) emissions. The vent gas flow rate is 20 m3 /s of dry air at 293 K, 1.5 atm. The initial solvent loading is 1.5 mol%, which must be reduced to 20 ppm to comply with emissions permits. Activated carbon is used as adsorbent, and has a capacity of 20 mol/kg of adsorbent and a heat of adsorption of 8 kcal/mol solvent. The sorbent can be regenerated by raising the temperature to 363 K. Design a suitable TSA system for this process. Estimate the amount of adsorbent needed, the vessel volumes, and the minimum regenerate heat requirement for your design. The activated carbon adsorbent has average bulk density 120 kg/m3 and heat capacity 0.7 J/g.°C. The solvent flammability limits in air are 2.5 to 12.0 vol% at 293 K and 1.2 to 16.0 vol% at 363 K.
The geometry and dimensions for a section of the blood vessel are shown on the right. Based on the Poiseuille's law the viscous resistance against blood flow through this section is determined to be 0.0002 mmHg•s/ml. If the diameter of the vessel ..
Given below is the diagrammatic representation of one of the categories of small molecular weight...Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living
What is element X? Propose a name for H2X? To completely neutralize a sample of H2X, 35.6 mL of 0.175 M OH solution was required. What was the mass of the H2X sample used?
What is the final temperature of the water after the preceding reaction occurs? Assume that all the heat is used to raise the temperature of the water. (Never run this reaction. It is very dangerous; it bursts into flame!)
A process modification has been devised that will increase the yield to 75%. The additional investment required is $1,250,000, and the additional operating costs are negligible. Is the modification worth making?
Is the proposed stead-state operation feasible - What is the corresponding length of wire that may be used in the heater for a maximum available voltage of 110V? What is the power rating of the heater?
What is the name for the alkaline hydrolysis of an ester? Discuss the solubility of covalent compounds vs ionic compounds in polar and non polar media respectively.
wave-connected. (Note: The number of parallel paths is equal to the number of poles for lap windings, while it is equal to 2 for wave windings.)
With a load of 0.8 power factor lagging, what kVA load can be supplied without exceeding the current rating of any winding? Determine the efficiency at this load.
Cut fruits and vegetables into as small portions as possible so they are easy to eat and the nutrients are more available to the digestive processes
Ac measurements with constant voltage amplitude reveal that the total core loss of a certain magnetic circuit is 10 W at f = 50 Hz, and 13 W at f = 60 Hz. Find the total core loss if the frequency is increased to 400 Hz.
Now describe how you would prepare 2.00 L of each of the following solutions. a. 0.250 M NaOH from solid NaOH b. 0.250 M NaOH from 1.00 M NaOH stock solution c. 0.100 M K2CrO4 from solid K2CrO4 d. 0.100 M K2CrO4 from 1.75 M K2CrO4 stock solution 3..
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