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Water vapor in an air stream is to be adsorbed in a 12.06-cm-inside-diameter column packed with 3.3-mm-diameter Alcoa F-200 activated alumina beads with an external porosity of 0.442. At a location in the bed where the pressure is 653.3kPa, the temperature is 21°C, the gas flow rate is 1.327 kg/min, and the dew-point temperature is 11.2oC, estimate the external, gas-to-particle mass-transfer and heat-transfer coefficients.
acetyl chloride is a colorless fuming liquid used primarily in the chemical industry.a how is acetyl chloride produced?
Steam enters a cooling tower at 200 °C and exits at 60 °C. Cooling is supplied by the surroundings which are assumed to be at 30 °C. The process takes place under atmospheric pressure (1 bar).
Draw a diagram of a simple gene finding HMM that might be useful for prokaryotes. The HMM should contain hidden states for exons and intergenic regions, and it should guarantee that exons have lengths that are multiples of three.
How do you use the rule of 70 to calculate economic growth?
Develop a project plan and schedule of tasks for each engineer. Be sure to allow sufficient time for equipment sizing, costing, and optimization. What intermediate deliverables would you specify to ensure that the project stays on track?
A fixed-bed reactor is to be designed for a hydrocracking process. The reactor will treat 320,000 lb/hr of vacuum gas oil (specific gravity 0.85) in the presence hydrogen at 650 ºF, 2000 psig, 1.0 weight hourly space velocity (WHSV).
A factory is producing tablets. It is required to design a system such that: The bottles moves till it reach the position shown (A) and 50 tablets are dropped in
Calculate the mass of methane that must be burned to provide enough heat to convert 363.0 g of water at 43.0°C into steam at 117.0°C. (Assume that the H2O produced in the combustion reaction is steam rather than liquid water.)
Can an aqueous solution be used? Justify...1. Give a way to confer hydrophilic behaviour to a self-assembled monolayer (SAM) coating. Or hydrophobic?
Two beds are used, with one in operation and one in regeneration. If the bed is designed to be 80% loaded at the end of a 2 hour operation cycle, estimate the bed volume. Also determine the flow rate of sodium hydroxide required during the regener..
What is the mass of the water in the container, assuming that all the heat lost by the copper is gained by the water?
The production rate obtained in the fourth year is then held constant until the value of the property is paid off. What would have been the annual depreciation cost if the straight-line method based on time had been used?
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