A biofuel production process is carried out in a 10,000 L stirred tank with a diameter of 2 m. Agitation will be provided at 100 rpm. The impeller diameter is half of the tank diameter, and the dimensionless power number Np is 1.0. You can assume that the liquid has the properties of water. Note that the agitation speed N = 2nn where n is the agitation speed in rpm. Questions: 1. How much power will be required of the motor? you scale down the reactor to a volume of 10L (keeping geometric similarity), what would the agitation speed required to keep the power / volume ratio constant? 2. If
A biofuel production process is carried out in a 10,000 L stirred tank with a diameter of 2 m. Agitation will be provided at 100 rpm. The impeller diameter is half of the tank diameter, and the dimensionless power number Np is 1.0. You can assume that the liquid has the properties of water. Note that the agitation speed N = 2nn where n is the agitation speed in rpm. Questions: 1. How much power will be required of the motor? you scale down the reactor to a volume of 10L (keeping geometric similarity), what would the agitation speed required to keep the power / volume ratio constant? 2. If
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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Transcribed Image Text:A biofuel production process is carried out in a 10,000 L stirred tank with a diameter of 2 m.
Agitation will be provided at 100 rpm. The impeller diameter is half of the tank diameter, and the
dimensionless power number Np is 1.0.
You can assume that the liquid has the properties of water.
Note that the agitation speed N
= 2nn where n is the agitation speed in rpm.
Questions:
1. How much power will be required of the motor?
2. If you scale down the reactor to a volume of 10 L (keeping geometric similarity), what
would the agitation speed required to keep the power / volume ratio constant?
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