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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 cooled andrecycled. The major items of equipment that will be required are detailed below.1. Absorption column: diameter 1 m, vessel overall height 15 m, packed height 12 m,packing 25 mm ceramic intalox saddles, vessel carbon steel, operating pressure 5 bar.2. Recovery column: diameter 1 m, vessel overall height 20 m, 35 sieve plates, vesseland plates stainless steel, operating pressure 1 bar.3. Reboiler: forced convection type, fixed tube sheets, area 18.6 m2, carbon steel shell,stainless-steel tubes, operating pressure 1 bar.4. Condenser: fixed tube sheets, area 25.3 m2, carbon steel shell and tubes, operatingpressure 1 bar.5. Recycle solvent cooler: U-tubes, area 10.1 m2, carbon steel shell and tubes, operatingpressure 5 bar.6. Solvent and product storage tanks: cone roof, capacity 35 m3, carbon steel.Estimated service requirements:Steam 200 kg/hCooling water 5000 kg/hElectrical power 100 kWh/d (360 MJ/d)Estimated solvent loss 10 kg/d; price £400/t. Plant attainment 95 per cent.Estimate the capital investment required for this project, and the annual operating cost;date mid-2004.
The bulbs, which arestirred and of equal volume, initially contain binary gas mixtures of different compositions.At time zero, the valve is opened; at time t, the valve is closed, and the bulkcontents are analyzed. Explain how this information can..
A sinusoidal signal, with amplitude of 3.25 volts, is applied to a uniform quantizer of the mid-tread type whose output takes on the values 0, ±1, ±2, ±3 volts. Sketch the waveform of the resulting quantizer output for one complete cycle of the in..
Assuming that the flux corresponding to a current of 25 A is 40% of that corresponding to a current of 100 A, determine the motor speed at a line current of 25 A at 250 V.
Suppose that both diodes have Rf = 10 Ω and Von = 0.5 V. Find the revised values of the resistors and voltage sources (v1 and v2) in order to accomplish the same objective.
Estimate the diffusion coefficient of Oil Dispersant A in a 10 mole percent Dispersant A -sea water mixture. The concentrated solution is non-ideal
Mass of Air Required for Combustion of Fuel. A coal fired boiler uses fuel having the following analysis by mass:
A storage tank is purged continuously with a stream of nitrogen. The purge stream leaving the tank is saturated with the product stored in the tank.
His Ph.D. research atStanford focused on computer simulations of how mechanical stresses affect bone growth and adaptive changes around implants. He was doing biomechanics but "with a little 'b' and a big 'M'," he says.
Neglecting stator resistance and rotational and stray-load losses, and assuming constant rotor resistance, calculate the starting torque and the maximum torque in per-unit of full-load torque, as well as the slip at which the maximum torque occurs..
Under these conditions, name one crystalline defect that you would expect to form in order to maintain charge neutrality. How many Cu+ ions are required for the creation of each defect? How would you express the chemical formula for this nonstoichiom..
Determine the speed at which the machine runs as a motor.
The liquid stream from the scrubber goes to a dryer where the water is driven off leaving pure maleic anhydride - The moles of benzene that are completely oxidized in the reactor per mole of benzene fed into the reactor?
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