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We want to design and build a reactor that produces 1200 kmol acetaldehyde (CH3CHO) per hour from ethanol and air. Two reactions are important at the reactor conditions: (R1) produces our desired product while (R2) produces an acetic acid by product. C2H5OH + ½ O2 → CH3CHO + H2O (R1) 2CH3CHO + O2 → 2CH3COOH (R2) Laboratory data indicate that if we use a new catalyst, adjust the feed ratio to 5.7 moles ethanol per mole oxygen, and operate the reactor at 300 oC and 1.5 atm pressure, we can expect 25% conversion of ethanol in the reactor, with selectivity for acetaldehyde 0.6. The preliminary block flow diagram calls for mixing pure ethanol vapor and air at 300 oC and 1.5 atm and feeding the mixture to the reactor. The reactor effluent is also 1.5 atm and all vapor. To maintain a constant reactor temperature of 300 oC, will heat need to be added or removed? If so, state how much.

We want to design and build a reactor that produces 1200 kmol acetaldehyde (CH3CHO) per hour from ethanol and air. Two reactions are important at the reactor conditions: (R1) produces our desired product while (R2) produces an acetic acid by product. C2H5OH + ½ O2 → CH3CHO + H2O (R1) 2CH3CHO + O2 → 2CH3COOH (R2) Laboratory data indicate that if we use a new catalyst, adjust the feed ratio to 5.7 moles ethanol per mole oxygen, and operate the reactor at 300 oC and 1.5 atm pressure, we can expect 25% conversion of ethanol in the reactor, with selectivity for acetaldehyde 0.6. The preliminary block flow diagram calls for mixing pure ethanol vapor and air at 300 oC and 1.5 atm and feeding the mixture to the reactor. The reactor effluent is also 1.5 atm and all vapor. To maintain a constant reactor temperature of 300 oC, will heat need to be added or removed? If so, state how much.

Introduction to Chemical Engineering Thermodynamics
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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We want to design and build a reactor that produces 1200 kmol acetaldehyde (CH3CHO) per
hour from ethanol and air. Two reactions are important at the reactor conditions: (R1)
produces our desired product while (R2) produces an acetic acid by product.
C2H5OH + ½ O2 → CH3CHO + H2O (R1)
2CH3CHO + O2 → 2CH3COOH (R2)
Laboratory data indicate that if we use a new catalyst, adjust the feed ratio to 5.7 moles
ethanol per mole oxygen, and operate the reactor at 300 oC and 1.5 atm pressure, we can
expect 25% conversion of ethanol in the reactor, with selectivity for acetaldehyde 0.6. The
preliminary block flow diagram calls for mixing pure ethanol vapor and air at 300 oC and 1.5
atm and feeding the mixture to the reactor. The reactor effluent is also 1.5 atm and all vapor.
To maintain a constant reactor temperature of 300 oC, will heat need to be added or removed?
If so, state how much.

A1 Grammatik Verb - Konjugation schreib-en lem-en du lernst ich schreibe Personalpronomen Endung Ich lerne Deutsch. ich > Du lernst Deutsch. du -st Carlos lernt Deutsch. Carlos -t Lena lernt Deutsch. Lena -t (Carlos und ich) Wir lemen Deutsch. wir -en (Lena und du) Ihr lernt Deutsch. ihr > -t Lena und Carlos lernen Deutsch. Lena und Carlo -en Übung 1 Beispiel: gehen Du gehst ins Kino. kommen kaufen a) Maria komm aus Rom. e) Martin kauf Obst. f) Maria kauf g) Robert und Inga kauf Cola. b) Carlos komm aus Madrid. Eis. c) Ich komm_ aus d) Karl und Eva komm aus Passau, h) Ich kauf Mineralwasser. wohnen trinken i) Ich wohn in Passau. m) Du trink Orangensaft. j) Carlos wnhn auch in Passau. n) Ihr trink Kaffee. k) Wir wohn in Passau. o) Ich trink Bier. I) Ihr wohn auch in Passau. p) Robert trink Mineralwasser. Übung 2 Beispiel: Max kommt aus Köln. wohnst gehen kemmt hört studiert kauft trinken mache kennt lernst lebt a) Murat Musik. f) Wir nach Hause. b) Du 9) Theo Eva. in Passau. c) Hanna in Wien. h) Du Deutsch. d) Ich eine Pause. i) Eva ein Eis. e) Ihr in Berlin. j) Wir Saft. DEUTSCH DENIZCH ABER HALLO1 www.deutschkurse-passau.de A A A A
Transcribed Image Text:A1 Grammatik Verb - Konjugation schreib-en lem-en du lernst ich schreibe Personalpronomen Endung Ich lerne Deutsch. ich > Du lernst Deutsch. du -st Carlos lernt Deutsch. Carlos -t Lena lernt Deutsch. Lena -t (Carlos und ich) Wir lemen Deutsch. wir -en (Lena und du) Ihr lernt Deutsch. ihr > -t Lena und Carlos lernen Deutsch. Lena und Carlo -en Übung 1 Beispiel: gehen Du gehst ins Kino. kommen kaufen a) Maria komm aus Rom. e) Martin kauf Obst. f) Maria kauf g) Robert und Inga kauf Cola. b) Carlos komm aus Madrid. Eis. c) Ich komm_ aus d) Karl und Eva komm aus Passau, h) Ich kauf Mineralwasser. wohnen trinken i) Ich wohn in Passau. m) Du trink Orangensaft. j) Carlos wnhn auch in Passau. n) Ihr trink Kaffee. k) Wir wohn in Passau. o) Ich trink Bier. I) Ihr wohn auch in Passau. p) Robert trink Mineralwasser. Übung 2 Beispiel: Max kommt aus Köln. wohnst gehen kemmt hört studiert kauft trinken mache kennt lernst lebt a) Murat Musik. f) Wir nach Hause. b) Du 9) Theo Eva. in Passau. c) Hanna in Wien. h) Du Deutsch. d) Ich eine Pause. i) Eva ein Eis. e) Ihr in Berlin. j) Wir Saft. DEUTSCH DENIZCH ABER HALLO1 www.deutschkurse-passau.de A A A A
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