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A dispersed plug chemical reactor has an influent flow with concentration of 150 mg/L of A and a flow rate of 100 gal/min (380 L/min). The reaction is first order, The rate equation : - dC/dt = kC= -r , and the rate constant is 0.4 h^-1 . The axial or longitudinal dispersion number, D/vL is 1.0. Determine: a. The required detention time and required volume if the removal or conversion of A is 90%. Express the volume as gallons and liters. b. The required detention time and the reactor volume if the removal of A is 80%. Express volume as gallons and liters (The answers in the back of the book are for (a) is time dpf= 12.7 hr; vol=76,200 gal = 290,000 L; (b) is time dpf= 10.4 hr; vol=62,400 = 237,000 L)
At standard pressure, 14.7 psi absolute, it holds 0.5-slug of water; rho = 1.94 slug/ft^3. For K = 300,000 psi, when it is filled, how many slugs of water must be added to increase the pressure to 10,000 psi
Use the Bernoulli equation to describe how this manometer can be used to measure the flow rate through the meter.
The officer believes the driver is intoxicated and begins accelerating uniformly to 50 mi/h in 8 seconds and maintains a constant velocity of 60 mi/hr, overtakes the motorist 42 seconds after he passed the officer.
You are a Project Manager on site where work for 3K.m. long Tunnel has been undertaken. The site is remote and takes about 2 days travel to nearest town. Supervisors, Technicians & Skilled Workers are engaged in dangerous / hazardous work.
Straight pipe, pump head=100 ft, pipe diameter=4inches, velocity is 10 ft/sec, no elevation changes. Water at 20C. What is the length of the smooth pipe
Determine the corresponding error in the computed discharge
Using darcy-weisbach equation, calculate the major friction head loss for a 24 inch diameter, 120 ft long pipe that can carry water with a flow rate of 5 cfs. Assume the temperature of water is 70 deg F and the roughness of the pipe is 0.0016 ft.
A 30-liter volume of gas at 25 degrees C contains 12 g of methane (CH4), 1 g of nitrogen (N2), and 15 g of carbon dioxide (CO2). Calculate (a) the moles of each gas present, (b) the partial pressure exerted by each gas, and (c) the total pressure ..
a section of highway has a speed flow relationship of the form q= au^2 + bu it is known that at capacity ( which is 3100 veh/h) the space-menu speed of traffic is 28 mi/h. determine the speed when the flow is 1500 veh/h and the free flow speed.
THe 50 kg crate is stationary when the force P is applied. Determine the resulting acceleration of the crate if (a) P=0, (b) P=150 N, and (c) P=300 N
Describe the application of geophysical techniques using electromagnetic induction as a tool for sustainable soil and water management of agricultural fields in the humid tropic Caribbean 300 word limit.
A gas containing 80% CH4 and 20% (by mole) He is sent through a quartz diffusion tube to recover the He. 20% by weight of the original gas is recovered and its composition is 50% He.
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