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Acetylene is formed as a by-product in the manufacture of ethylene. It is removed by selective hydrogenation using noble metal catalysts (see, for example, US 7,453,017). A particular catalyst achieves 90% acetylene saturation with 50% hydrogen selectivity for acetylene at a weight hourly space velocity of 800 h-1 based on ethylene. Design a reactor to remove 1% acetylene from ethylene in a plant that produces 1.5 million metric tons per year of ethylene using this catalyst.
Select a passenger car and calculate the efficiency of the vehicle in converting chemical energy from combustion into kinetic energy.
Find the relationship between voltage across the membrane and the concentration of CaCl2 before equilibrium is reached.
A vapor rate of 2500 kg/h is required and the vaporizer will operate at 6 bara. Size the vessel to restrict the carryover of liquid droplets. The liquid hold-up time need not be considered, as the liquid level will be a function of the thermal des..
If sodium ions are injected into the system for two seconds in the form of a brief pulse approximated by the following equation, x(t) = 3u(t) 3u(t = 2), how would the cell respond to (e.g., pump out ions) such input? Find the answer using time-do..
In general, when is a Fabry-Perot interferometer preferred over a standard Michelson interferometer? Can you make a Fabry-Perot interferometer that performs worse than a Michelson interferometer? Explain.
Trace the path of a single red blood cell from a capillary bed in your right hand to the capillary beds of your right lung and back. What gases are exchanged? Where are they exchanged during this process?
At 120 °C the saturation pressure of ethanol that is 4.3 bar. What is the state of ethanol at 120 °C and 10 bar (i.e., compressed liquid, saturated liquid/vapor, superheated vapor)? At 140 °Cand 1bar?
An overall average of 65,000 lb of water per 24-h day must be evaporated during each 30-day period. (b) An overall average of 81,000 lb of water per 24-h day must be evaporated during each 30-day period.
Term Project Instructions Supply Chain Management The term project requires the study of the supply chain of one of the products listed below. PRODUCTS 1. Leather Goods (Handbags and purses or shoes) 2. Furniture (Living room or dining room)) 3. M..
The slip at which the motor will develop the same full-load torque.
You are the project manager of a team that has been asked to complete the design of a chemical plant up to the stage of design selection. You have three engineers available (plus yourself) and the work must be completed in ten weeks. Develop a pro..
As a young and ambitious engineer you seek ways to improve the process. What is the maximum amount of work that you could extract from this system? Assume that the inlet and outlet conditions of the exhaust gas remain the same.
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