Final purification stage in the preparation of a pharmaceutical product A from natural sources requirescentrifuging and continuous filtration as depicted in the figure below. Determine the flow rate of the recyclestream in kg/h.Feed, 100 kg/h(20% A in water)Recycle, 0.5 kg of A/kg of waterCentrifugeWater65% A, 35%waterFilterProduct, 93%A, 7% water

The pharmaceutical product A is prepared by centrifuging and continuous filtration process. Given…

Answered: Final purification stage in the…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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A wet paper pulp is found to contain 70% water. 61% of the original water was removed by drying. What is the concentration of water in the dried paper pulp? (use as the basis, 1 pound of wet pulp).
A double effect evaporator is used to concentrate an 18% CuSO4 solution. At the end of evaporation, 26,000 kg/h of 50% CuSO4 solution were obtained. If the water evaporated in the second effect is half the water evaporated in the first effect, determine: a) The amount of solution fed into the first effect. b) The amount of water evaporated in the first and second effect. c) The amount of solution fed into the second effect, as well as its composition. Problem diagram 18% CuSO4 82% H₂O M₁ M₂ M3 X CuSO4 Y H₂O A 2 M4 = 0.5 M₂ M5 H₂O steam M6 M2 M6 is the water that condenses 26 000 kg/hr 50% CuSO4 50% H2₂O
An evaporation-crystallization process is used to obtain solid potassium sulfate from an aqueous solution of this salt. The fresh feed to the process contains 19.6% by mass K2SO4. The filter cake consists of solid K2SO4 crystals and a 40.0% by mass K2SO4 solution, in a ratio of 10 kg crystals/kg solution. The filtrate, also a 40.0% solution, is recycled to join the fresh feed. Of the water fed to the evaporator, 45.0% is evaporated. The evaporator has a maximum capacity of 175 kg of water evaporated per second.(a) Consider that the process operates at its maximum capacity. Draw and label the flow diagram and perform the degree of freedom analysis for the overall system, the fresh feed-recycle mixing point, the evaporator, and the crystallizer. Then, write in an efficient order (minimizing simultaneous equations) the equations you would use to solve for the unknowns. In each equation, indicate the variable to be determined, but do not perform the calculations yet.(b) Calculate the…
Reverse Osmosis is used by water bottling companies to produce desalinized water from sea water. Giventhe figure below, determine the fraction of brine leaving the RO cell that is recycled.
calculate the grams of sucrose that must be added to 415.9 grams of water to prepare a 16.01% by mass solution
The aqueous acetone solution is mixed with Methyl isobutyl (MIB) solvent containing 3% acetone by mass. The flow rates of the upper and lower currents leaving the system are 1000 kg/h and 400 kg/h, respectively. System the proportion of acetone in the upper and lower leaving current is 15% and 10% by weight, respectively. The phase separation of the refinate and the extract takes place. According to this a. Calculate the composition and amount of the aqueous acetone solution entering the system. b. Calculate the amount of Methyl isobutyl ketone (MIBK) solvent containing 3% acetone sent to the system. extract phase Data; Methyl isobutyl (MIB 0.05 0.05 0.06 0.07 0.08 0.09 0.20 XA Acetone 0 0.05 0.15 0.20 0.25 0.35 0.43 XC. Methyl isobutyl (MIB 0.95 0.94 0.89 0.84 0.79 Refining phase 0.69 0.59 YA Acetone 0 0.02 0.10 0.15 0.20 0.30 0.40 YC
To make an instant tomato soup, a company makes soup powder from liquid step by a two-step process: concentrating the soup by removing water using a membrane to reach a concentration of 45% water, followed by a spray drying process which leads to a final moisture content of 3%. If the initial liquid tomato soup contains 9.0% solids and fat and enters the membrane separator at 4000 kg/hr, calculate: The flow-rate of the concentrated soup after membrane separation: kg/hr The flow-rate of water removed by the spray drying process (the second stage): kg/hr
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