Reactor Design

CHE 304

Spring 2013LCYMEV

4 Types of Reactors

• 1.. Batch Reactors

• 2..Continuous Stirred Tank Reactors (CSTR)

• 3..Tubular Reactors (PFR)

• 4..Packed Bed Reactors (PBR)

Batch

Batch (Anim.)

• http://www.youtube.com/watch?v=TIMXE5FeAy0

CSTR

CSTR

CSTR

PFR

PFR

PFR (Anim.)

• http://www.youtube.com/watch?v=RFhd2062hq4

• http://www.youtube.com/watch?v=I241zL4vJ7A

Packed Bed Reactor

Design Equations

Batch Reactors

Design equation for batch:

X

AA Vr

dXNt

0

0

Conversion

Volume (ft3)Moles of A (t=0)

Rate of reaction (lbmol A)/[(h)*(ft3)]

Reaction time (h)

Continuous stirred tank reactors

Design equation for CSTR:(continuous stirred tank reactors)

A

A

r

XFV

0

ConversionMolar flow of A (t=0)

Rate of reaction (lbmol A)/[(h)*(ft3)]

Plug Flow Reactors

Design equation for PFR:

X

AA r

dXFV

0

0

Conversion

Molar flow of A (t=0)

Rate of reaction (lbmol A)/[(h)*(ft3)]

Volume of reactor (ft3)

Packed Bed Reactors

Design equation for PBR:

X

AA r

dXFW

0

0 '

Conversion

Molar flow of A (t=0)

Rate of reaction

(lbmol A)/[(h)*(lb of catalyst)]

Weight of catalyst (lb)

URL’s + Links• Batch• http://www.youtube.com/watch?v=TIMXE5FeAy0• UColor Lecture• http://www.youtube.com/watch?v=TIMXE5FeAy0• Lab Rtr (Engld)• http://www.youtube.com/watch?v=UB1EvUfDoUo• Soft CSTR• http://reactor.software.informer.com/download-reactor-cstr-animation/• Plug Flow (29 s)• Normal• http://www.youtube.com/watch?v=RFhd2062hq4• w ReACTION• http://www.youtube.com/watch?v=I241zL4vJ7A• Plug (NiTech)• http://www.youtube.com/watch?v=Vk5mIr90mpY• Babu Class• http://www.slideshare.net/suchendrakuchipudi/4ideal-reactors• UColor (Design Rtrs)• http://www.youtube.com/watch?v=2yPwvRcQb-E&playnext=1&list=PLWK5hXwoNYtE0686o3PkbF89i03QKAY4t&feature=results_main• PDC Rtrs• http://www.youtube.com/watch?v=wqQJC56gT5M• Reichhold Rtrs (Industrial)• http://www.youtube.com/watch?feature=endscreen&v=hEXBGqmoE1w&NR=1• Batch (Beaker) Rtr• http://www.youtube.com/watch?v=9ygm2NfKEB4• Lab Rtr• http://www.youtube.com/watch?feature=endscreen&v=2sZVIweZtnA&NR=1• ATLAS Glass TRtrs• http://www.youtube.com/watch?feature=endscreen&v=Ee5tK8ie9O8&NR=1