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Referring to Example 8.2.3, compute and plot the dimensionless exit concentration from the Berty reactor as a function of time for decreasing internal recycle ratio to the limit of PFR behavior.
Example 8.2.3
In Section 3.5 recycle reactors and particularly a Berty reactor were described. At high impeller rotation speed, a Berty reactor should behave as a CSTR. Below are plotted the dimensionless exit concentrations, that is, c(t)1Co, of cis-2-butene from a Berty reactor containing alumina catalyst pellets that is operated at 4 atm pressure and 2000 rpm impeller rotation speed at temperatures of 298 K and 427 K. At these temperatures, the cis-2-butene is not isomerized over the catalyst pellets.
Draw the logic diagram of the enabled D latch using only NAND gates.
A mixture of ethanol and benzene is separated in a network of distillation and membrane separation steps. In one intermediate step, a near-azeotropic liquid mixture of 8,000 kg/h of 23 wt% ethanol in benzene is fed to a pervaporation membrane cons..
Suppose that a firm behaves competitively in its output market and its factor market. Suppose the price of each input increases, and let dwi be the increase in factor price i. Under what conditions will the profit maximizing output decrease?
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:
__________ is the response curve for a step input signal from a reactor. 1. S-curve 2. C-curve
An insulated cylinder fitted with a weightless latched piston contains steam at 5 bar, 300 °C. The piston is unlatched and the steam expands against ambient air at P = 1 bar. The temperature of steam in the final state is 142 °C. Determine the ene..
A 2.251-g sample of BARF dissolved in 347.0 mL of solution produces a 0.01267 M solution. What is the molecular formula of BARF?
Dry ice is placed in the bottom of a capillary tube 6.2 cm long. Air is blown across the top of the tube.
What is the order of the overall transfer function, G(s) = V(s)/U(s)? (b) What is the gain of G(s)? Under what condition(s) is the process gain negative?
An analyst gathered the following information about the return distributions for two portfolios during the same time period:
After transmission over a channel the symbol Y, that is received, will be equal to X with probability 1 - p, 0 ≤ p ≤ 1and it will be equal to any of the other two letters in the alphabet with probability Compute the mutual information I ( X , Y) b..
Test the knowledge and understanding of the concepts and procedures for process instrumentation and communication systems used in process industries.
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