An RTD experiment was carried out in a nonideal reactor that gave the following results: E(t) = 0 for t<1 min E(t) = 1.0 min–1 for 1≤t≤2 min E(t) = 0 for t>2 min(a)What are the mean residence time,tm, and variance σ2?(b)What is the fraction of the fluid that spends a time 1.5 minutes or longer in the reactor?(c)What fraction of fluid spends 2 minutes or less in the reactor?(d)What fraction of fluid spends between 1.5 and 2 minutes in the reactor?
An RTD experiment was carried out in a nonideal reactor that gave the following results: E(t) = 0 for t<1 min E(t) = 1.0 min–1 for 1≤t≤2 min E(t) = 0 for t>2 min(a)What are the mean residence time,tm, and variance σ2?(b)What is the fraction of the fluid that spends a time 1.5 minutes or longer in the reactor?(c)What fraction of fluid spends 2 minutes or less in the reactor?(d)What fraction of fluid spends between 1.5 and 2 minutes in the reactor?
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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An RTD experiment was carried out in a nonideal reactor that gave the following results:
E(t) = 0 for t<1 min
E(t) = 1.0 min–1 for 1≤t≤2 min
E(t) = 0 for t>2 min
(a)What are the mean residence time,tm, and variance σ2?
(b)What is the fraction of the fluid that spends a time 1.5 minutes or longer in the reactor?
(c)What fraction of fluid spends 2 minutes or less in the reactor?
(d)What fraction of fluid spends between 1.5 and 2 minutes in the reactor?
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