lecture51999 (1)
TRANSCRIPT
-
7/26/2019 Lecture51999 (1)
1/11
EAS 140, Lecture 5Chemical Engineering
Director of Undergraduate Studies:
Professor Kofke, 510 Furnas
Director of Graduate Studies:
Professor Mountziaris, 905 Furnas
Cair
Professor !und, "0# Furnas
-
7/26/2019 Lecture51999 (1)
2/11
Looking Back to the Turn of the LastCentury...
Fear tat soon it $ou%d not &e 'ossi&%e to feed a%%
te 'eo'%e in te $or%d(
Ce)ica% *ngineers so%+ed te 'ro&%e)
-a&er .191/ o&e% Prize23osc
Process for s4ntesis of a))onia
nd no$ at te turn of te 60 tcentur4:
G%o&a% $ar)ing Protection of te en+iron)ent
De'%etion of natura% resources
-
7/26/2019 Lecture51999 (1)
3/11
Ammonia Synthesis lant
-
7/26/2019 Lecture51999 (1)
4/11
!o"s CEs #o
F%o$ .'u)'2co)'ressor size, 'i'e size,
'ressure dro's troug e7ui')ent
8eactor Design2 8eaction *ngineering
-eating, Coo%ing, 8efrigeration, -eat ransfer
Materia%s .'o%4)ers, )eta%s, cera)ics,
cata%4sts s4ntesis and2or se%ection
Se'aration .reactants, fina% 'roducts &4
)an4 )etods .disti%%ation, a&sor'tion,
adsor'tion, cr4sta%%ization, etc(
-
7/26/2019 Lecture51999 (1)
5/11
!o"s CEs #o
P%ant Design 2 Process 'ti)ization
Safet4
P%ant 'eration
*n+iron)enta% 2 ;aste reat)ent Sa%es, Marketing, Distri&ution
!a$, Medicine, Manage)ent
*ducation
-
7/26/2019 Lecture51999 (1)
6/11
Tools CEs $se
Mate)atics .a%ge&ra, ca%cu%us, differentia%
e7uations, nu)erica% )etods Ce)istr4 .inorganic, organic, '4sica%
Mass, *nerg4 and Mo)entu) 3a%ances
er)od4na)ics and Kinetics rans'ort Peno)ena 2 ransfer 'erations
Unit 'erations
Process Contro% < 'ti)ization Process Si)u%ators
Mode%ing and Co)'utation
-
7/26/2019 Lecture51999 (1)
7/11
%n&ustries that Em'loy CEs Petro%eu), 'etroce)ica%, ce)ica%
P%astics 2 'o%4)ers
Par)aceutica%
Fine and ig 'erfor)ance ce)ica%s
Food
Microe%ectronics
3iotecno%og4uto)o&i%e
*ducation and Professiona%
-
7/26/2019 Lecture51999 (1)
8/11
CE Case Stu&y#issolution (inetics
Consider )aking te cata%4st for a))onia
s4ntesis
Pri)ari%4 iron $it added a%u)ina and 'otassiu)
Cata%4tic 'erfor)ance is se+ere%4 degraded &4i)'urities
8a$ )ateria% .'era's ore contains )an4, )an4
i)'urities
erefore need to 'urif4 it
ne $a4 is to disso%+e te iron fro) te ore and ten re=
cr4sta%%ize it or 'reci'itate it in 'ure for)
-
7/26/2019 Lecture51999 (1)
9/11
CE Case Stu&yTime is )))* Energy is )))* E+erything is )))
eed to kno$ o$ fast te ore $i%% disso%+e
Deter)ines o$ &ig te e7ui')ent is and2or o$ %ong te
disso%ution 'rocess runs
*>'ect te rate of disso%ution .o$ fast it disso%+es )a4 cange if
oter factors cange
? agitation .stirring
? te)'erature
Perfor) an e>'eri)ent to o&tain te rate data needed
Use te e>'eri)enta% data to de+e%o' a )ode% .i(e( )ate7uations for te rate of disso%ution
en can use te )ode% to design te e7ui')ent
-
7/26/2019 Lecture51999 (1)
10/11
CE Case Stu&y
Pro&a&%4 $ou%d disso%+e ore in acid
not 'ractica% for *S 1@0
so $eA%% '%a4 %etAs 'retend
!etAs 'retend ((( a sucker is iron ore
$ater is acid
nd %etAs do an e>'eri)ent to )easure terate of disso%ution
-
7/26/2019 Lecture51999 (1)
11/11
CE Case Stu&y e case stud4 is due at te start of !ecture
10 Bou $i%% $ork in grou's, as a tea)
fu%% descri'tion is 'osted on te *S 1@0
$e& site -o$ to do te e>'eri)ent
;at to do $it te data
So)e additiona% sets of data to $ork $it ;at 4ou are e>'ected to turn in
e grading criteria for $at 4ou turn in