A first order irreversible reaction is conducted in an 800 L continuously stirred tank, in liquid solution at 80 ᵒC temperature. The total conversion in the tank is calculated to be 60%. However, this conversion appears low.After a quick check, you realise that something in the mixing is not working correctly and as a result, the tank is not optimally stirred. Following a few tests on residence times, you calculate that approximately 300 L of the tank do not interact appreciably with the input or output streams. You therefore decide to modify the reactor by improving the stirring performance in order to obtain complete mixing in the reactor volume. Describe what considerations allowed you to evaluate the ‘unused’ volume in the tank and defend your proposed solution in a brief technical report (maximum two A4 sides) to be presented to your manager for approval. The report must include a clear schematic drawing of your selected solution
A first order irreversible reaction is conducted in an 800 L continuously stirred tank, in liquid solution at 80 ᵒC temperature. The total conversion in the tank is calculated to be 60%. However, this conversion appears low.After a quick check, you realise that something in the mixing is not working correctly and as a result, the tank is not optimally stirred. Following a few tests on residence times, you calculate that approximately 300 L of the tank do not interact appreciably with the input or output streams. You therefore decide to modify the reactor by improving the stirring performance in order to obtain complete mixing in the reactor volume. Describe what considerations allowed you to evaluate the ‘unused’ volume in the tank and defend your proposed solution in a brief technical report (maximum two A4 sides) to be presented to your manager for approval. The report must include a clear schematic drawing of your selected solution
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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Question
A first order irreversible reaction is conducted in an 800 L continuously stirred tank, in liquid
solution at 80 ᵒC temperature. The total conversion in the tank is calculated to be 60%. However,
this conversion appears low.After a quick check, you realise that something in the mixing is not working correctly and as a
result, the tank is not optimally stirred.
Following a few tests on residence times, you calculate that approximately 300 L of the tank do not
interact appreciably with the input or output streams. You therefore decide to modify the reactor
by improving the stirring performance in order to obtain complete mixing in the reactor volume.
Describe what considerations allowed you to evaluate the ‘unused’ volume in the tank and defend
your proposed solution in a brief technical report (maximum two A4 sides) to be presented to your
manager for approval. The report must include a clear schematic drawing of your selected
solution
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Step 1: Describe consideration made to evaluate unused volume in the tank as a technical report.
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VIEWStep 3: Propose the solutions for the identified issues.
VIEWStep 4: Draw the schematic diagram and give conclusion of the report.
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Draw another schematic drawing as well as show dead zones
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