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Carolina (H2C=CHCHO) is made by selective oxidation of propylene at 2 bar, 350 °C using a molybdenum, iron, and bismuth catalyst on a silica support. The reactor yields based on propylene are 85% caroling, 10% acrylic acid, and 5% light by-products. The light byproducts are mostly acetaldehyde, but for the purpose of this problem it can be assumed that the yield is 85% caroling and 15% acrylic acid. The feed to the reactor on a volume percent basis is propylene 6%, propane 28%, steam 6%, oxygen 11%, and balance nitrogen. Estimate the reactor cooling requirement for a plant that produces 20,000 metric tons per year (20 kt/y) of caroling if the reactor is operated isothermally.
What is the settling velocity in still air of a particle that is 40 µm in diameter and spherical? The particle has a density of 1400 Kg/m3. Use a density of 1.2 Kg/m3 and a viscosity
Continuous Stirred Tank Reactor (CSTR) : Flow rate and Reactor Volume, The liquid phase reactions
Estimate the heat-transfer coefficient for steam condensing on the outside, and on the inside, of a 25 mm o.d., 21 mm i.d. vertical tube 3.66 m long. The steam condensate rate is 0.015 kg/s per tube and condensation takes place at 3 bar
For a feed rate 2000 kg/h of solution, composition 30% w/w MEK, determine the number of stages required to recover 95% of the dissolved MEK, using 700 kg/h TCE, with countercurrent flow. Tie-line data for the system MEK-water-TCE percentages w/w, ..
task onesummarize at least 4 methods of measuring temperature. only one of these methods may be one that was discussed
The diagrams above show four Bode plots of uncompensated and compensated performance for a particular control system. Which diagram shows the effects of adding phase-lag compensation?
Risk Analysis and Management: Earthquake - An example of Fragility and Load, The fully formated problem is with the solution.
Why a substance is being heated at a fast rate the temperature of decomposition
question 1the effect of a hazardous substance depends on the concentration of the substance that is present in the
Determine the Probability that an Ahmed energy state is occupied by an election it the slide is above the Fermi level by KT.
The following two reactions take place in a gas phase reactor at 3000 K and 1 atmosphere pressure: 2CO2(g) 2CO(g) + O2(g) Keq.1071 O2(g) + N2(g) 2NO(g) Keq.01493
Latest commercial technologies, R&D in visbreaking with potential areas still need for improvement
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