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A 5% solution of a reagent is required in the process of synthesis of a pharmaceutical intermediate. The solid reagent, available as crystals (density = 1580 kg/m3 ) of average particle size 0.75 mm, is dissolved in a stirred vessel to prepare 1.2 m3 solution in a batch. The requisite volume of water and the calculated quantity of solid are charged into a 1.15 m diameter tank fitted with a 0.6 m diameter impeller. Given: agitator rpm = 120; diffusivity of the solute = 1.5?10?5 cm 2 /s; average viscosity of the solution = 0.98 cP; solubility of the solid in water = 7.6 g per hundred gram water. Calculate the time required for the dissolution of the solid. The Sherwood number correlation in Example 3.4 (B. K. Dutta) can be used. (Solution density = 1000 kg/m3 )
What restrictions should be placed on the reactor operating isothermally if we are toobtain a conversion of 75% or higher
Explain what is meant by the term Threshold Limit Values (TLVs). Describe briefly the different TLVs used by Industrial Hygienists. Outline the strengths and weaknesses of these occupational exposure limits and illustrate how they may best be u..
a. How many design variables must be specified in order to calculate the output stream compositions and flow rates? b. How would you optimize these variables if the objective of the separator was to maximize recovery of condensable components into ..
Determine the apparent power and the reactive power drawn by the load.
Find the total energy delivered to the circuit element.
Theory of Constraints L A B O V E R V I E W This lab looks at bottlenecks and the calculations necessary to determine which process is the source of a bottleneck condition. Use MS Word to copy your answers. Theory of Constraints Lab Points Descrip..
The masses of the solutes in each of the solutions are the same. When the solutions are added together, a blood-red precipitate forms. After the reaction has gone to completion, you dry the solid and find that it has a mass of 331.8 g.
A boiler is fired using 200 kg /hr of pure saturated hydrocarbon gas ( Cn Hm ) at atmospheric pressure and 20 oc. The dry analysis of the flue gas which leaves the boiler at atmospheric pressure and 300 oc is CO2 =..
Monczka-Trent Shipping is the logistics vendor for Handfield Manufacturing Co, in Ohio. Handfield has daily shipments of a power-steering pump from its Ohio plant to an auto assembly line in Alabama.
The time-average value of the induced voltage. (e) The induced voltage when the plane of the coil is 30° from the vertical.
Assume the plant is built at time zero and begins operation at full rate in year 1. Assume the rate of corporate income tax is 35% and taxes must be paid based on the previous year's income.
What is the expansion factor of this scheme and what are its visual threshold values?
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